Joby Aviation vs Delta Air Lines: why the prices moved differently

Weekly · monthly · quarterly news summaries, side by side in time

Joby Aviation (JOBY)

Q3 20266 Jul – 25 Sep 2026

▲3▼1

Joby advances on deals, certification, and defense; dilution risk persists

Toyota manufacturing joint venture Joby formed a manufacturing joint venture with Toyota (Toyota 51%, Joby 49%), combining Joby's electric aircraft with Toyota's factory expertise to mass-produce air taxis, which could lower costs and speed production.
This is a major new partnership that could accelerate production and reduce costs, directly supporting the stock.
UK exclusive deal and revenue guidance raise Joby finalized an exclusive UK air taxi deal with Virgin Atlantic and raised 2026 revenue guidance to $115–125 million, signaling commercial progress and stronger demand outlook.
New commercial agreement and higher guidance show tangible business momentum, a positive for investors.
Certification lead and defense acquisition Joby completed its first FAA-conforming eVTOL flight, leading Archer in certification, and acquired defense firm Resonant Sciences ($100 million in sales), while demonstrating a 3,199-mile autonomous flight.
These milestones show technical and strategic progress, including new defense revenue, supporting the stock.
Dilution and cash burn risk Joby plans up to $750 million in stock sales with $385–415 million H2 cash burn, creating dilution pressure and underscoring the need for timely FAA approval, while rivals' incompatible charging network could give them an infrastructure edge.
This is a real counterweight: potential share dilution and cash burn could pressure the stock, and competitive infrastructure risks loom.

September 202610 Aug – 25 Sep 2026

▲3▼1

Joby's Certification Lead and Defense/Autonomy Push Face Cash Burn

FAA certification lead over Archer Joby has completed its first FAA-conforming eVTOL flight and has five aircraft flying, while Archer has none. This regulatory lead makes Joby the likely first to commercialize, boosting its long-term revenue potential and competitive position.
Certification is the key catalyst for Joby's air taxi business and its lead over rivals directly supports the bull case.
Defense acquisition adds revenue and technology Joby acquired Resonant Sciences, a defense tech firm with $100 million in sales and 40% growth, to combine with its aircraft and autonomy. This adds a profitable revenue stream and strengthens its defense business, diversifying beyond air taxis.
The acquisition is a new strategic move that expands Joby's business and could accelerate revenue growth.
Autonomous cross-country flight milestone Joby's autonomy-equipped Cessna completed a 3,199-mile fully autonomous flight, proving its autonomy stack for future freight, medical, and defense logistics. This opens new markets on certified airframes, though it doesn't speed up air taxi certification.
The milestone demonstrates technological leadership and potential new revenue streams, supporting the long-term growth story.
Heavy cash burn and dilution risk Joby plans to sell up to $750 million in new stock and expects $385–415 million cash use in H2 2026, against $2.3 billion liquidity. This dilution pressures the share price and highlights the need for FAA approval before cash tightens.
The financing overhang is a major risk that could cap near-term upside and is a key counterweight to the positive catalysts.

Latest10 Aug – 25 Sep 2026

▲3▼1

Joby's Certification Lead and Defense/Autonomy Push Face Cash Burn

FAA certification lead over Archer Joby has completed its first FAA-conforming eVTOL flight and has five aircraft flying, while Archer has none. This regulatory lead makes Joby the likely first to commercialize, boosting its long-term revenue potential and competitive position.
Certification is the key catalyst for Joby's air taxi business and its lead over rivals directly supports the bull case.
Defense acquisition adds revenue and technology Joby acquired Resonant Sciences, a defense tech firm with $100 million in sales and 40% growth, to combine with its aircraft and autonomy. This adds a profitable revenue stream and strengthens its defense business, diversifying beyond air taxis.
The acquisition is a new strategic move that expands Joby's business and could accelerate revenue growth.
Autonomous cross-country flight milestone Joby's autonomy-equipped Cessna completed a 3,199-mile fully autonomous flight, proving its autonomy stack for future freight, medical, and defense logistics. This opens new markets on certified airframes, though it doesn't speed up air taxi certification.
The milestone demonstrates technological leadership and potential new revenue streams, supporting the long-term growth story.
Heavy cash burn and dilution risk Joby plans to sell up to $750 million in new stock and expects $385–415 million cash use in H2 2026, against $2.3 billion liquidity. This dilution pressures the share price and highlights the need for FAA approval before cash tightens.
The financing overhang is a major risk that could cap near-term upside and is a key counterweight to the positive catalysts.

July 20266 Jul – 5 Aug 2026

▲3▼1

Joby advances certification, raises guidance, and adds Virgin Atlantic and Toyota deals

Toyota manufacturing joint venture Joby and Toyota formed a manufacturing company (Toyota 51%, Joby 49%) to scale eVTOL production. This deepens Toyota's role beyond funding and supports Joby's path to making aircraft in volume, which investors see as key to future profits.
New partnership directly addresses production scaling, a core driver of JOBY's long-term value.
Virgin Atlantic air taxi deal Joby finalized a multiyear agreement making Virgin Atlantic its exclusive UK airline partner, with bookings through Virgin's site and initial routes from London and Manchester. This adds a major customer and expands Joby's relationship with Delta, which owns 49% of Virgin Atlantic.
New commercial agreement signals real demand and a clear path to revenue in a new market.
Raised 2026 revenue guidance and strong Q2 Joby raised full-year 2026 revenue guidance to $115–$125 million after Blade air taxi service generated $36.2 million in Q2. It also reported five aircraft flying, 12 in production, and $2.3 billion in cash, with first eIPP flights in Texas expected in September.
New financial guidance and operational milestones give concrete evidence of commercial progress.
Rival charging network excludes Joby Archer and Beta are deploying a standardized charging network at up to 250 US sites, using a plug incompatible with Joby's aircraft. This could give rivals an early infrastructure advantage, though FAA approval and business model profitability matter more long term.
New competitive development that could pressure Joby's market position and sentiment.

6 Jul – 5 Aug 2026

▲3▼1

Joby advances certification, raises guidance, and adds Virgin Atlantic and Toyota deals

Toyota manufacturing joint venture Joby and Toyota formed a manufacturing company (Toyota 51%, Joby 49%) to scale eVTOL production. This deepens Toyota's role beyond funding and supports Joby's path to making aircraft in volume, which investors see as key to future profits.
New partnership directly addresses production scaling, a core driver of JOBY's long-term value.
Virgin Atlantic air taxi deal Joby finalized a multiyear agreement making Virgin Atlantic its exclusive UK airline partner, with bookings through Virgin's site and initial routes from London and Manchester. This adds a major customer and expands Joby's relationship with Delta, which owns 49% of Virgin Atlantic.
New commercial agreement signals real demand and a clear path to revenue in a new market.
Raised 2026 revenue guidance and strong Q2 Joby raised full-year 2026 revenue guidance to $115–$125 million after Blade air taxi service generated $36.2 million in Q2. It also reported five aircraft flying, 12 in production, and $2.3 billion in cash, with first eIPP flights in Texas expected in September.
New financial guidance and operational milestones give concrete evidence of commercial progress.
Rival charging network excludes Joby Archer and Beta are deploying a standardized charging network at up to 250 US sites, using a plug incompatible with Joby's aircraft. This could give rivals an early infrastructure advantage, though FAA approval and business model profitability matter more long term.
New competitive development that could pressure Joby's market position and sentiment.

Q2 202617 Jun – 1 Jul 2026

▲3▼1

Joby advances certification and Toyota alliance, but stock still down 30% in 2026

First FAA-conforming eVTOL flight Joby began flying its first FAA-conforming production eVTOL, a key step toward Type Inspection Authorization and full certification. This shows real technical progress, making commercial service more likely and supporting the stock.
This is a new, concrete certification milestone that directly advances Joby's path to revenue.
Toyota manufacturing joint venture Joby and Toyota launched a joint venture to mass-produce air taxis, combining Joby's electric aviation with Toyota's factory expertise. This could lower costs and speed up production, a positive for future profits.
A new strategic partnership that addresses manufacturing scale, a key investor concern.
Favored over Archer by analysts Analysts picked Joby over rival Archer for 2026 eVTOL exposure, citing stronger revenue growth and a much lower price-to-sales ratio. This positive comparison may draw investor money into JOBY.
New analyst preference highlights Joby's relative advantage, influencing investor sentiment.
Stock down 30% in 2026 despite progress Joby shares have fallen about 30% this year even as certification advances, showing investors worry about high cash burn and no revenue yet. This weak price trend is a real counterweight to the positive news.
It provides the necessary balance: despite operational wins, the stock has been punished, reflecting execution and financial risks.

June 202617 Jun – 1 Jul 2026

▲3▼1

Joby advances certification and Toyota alliance, but stock still down 30% in 2026

First FAA-conforming eVTOL flight Joby began flying its first FAA-conforming production eVTOL, a key step toward Type Inspection Authorization and full certification. This shows real technical progress, making commercial service more likely and supporting the stock.
This is a new, concrete certification milestone that directly advances Joby's path to revenue.
Toyota manufacturing joint venture Joby and Toyota launched a joint venture to mass-produce air taxis, combining Joby's electric aviation with Toyota's factory expertise. This could lower costs and speed up production, a positive for future profits.
A new strategic partnership that addresses manufacturing scale, a key investor concern.
Favored over Archer by analysts Analysts picked Joby over rival Archer for 2026 eVTOL exposure, citing stronger revenue growth and a much lower price-to-sales ratio. This positive comparison may draw investor money into JOBY.
New analyst preference highlights Joby's relative advantage, influencing investor sentiment.
Stock down 30% in 2026 despite progress Joby shares have fallen about 30% this year even as certification advances, showing investors worry about high cash burn and no revenue yet. This weak price trend is a real counterweight to the positive news.
It provides the necessary balance: despite operational wins, the stock has been punished, reflecting execution and financial risks.

17 Jun – 1 Jul 2026

▲3▼1

Joby advances certification and Toyota alliance, but stock still down 30% in 2026

First FAA-conforming eVTOL flight Joby began flying its first FAA-conforming production eVTOL, a key step toward Type Inspection Authorization and full certification. This shows real technical progress, making commercial service more likely and supporting the stock.
This is a new, concrete certification milestone that directly advances Joby's path to revenue.
Toyota manufacturing joint venture Joby and Toyota launched a joint venture to mass-produce air taxis, combining Joby's electric aviation with Toyota's factory expertise. This could lower costs and speed up production, a positive for future profits.
A new strategic partnership that addresses manufacturing scale, a key investor concern.
Favored over Archer by analysts Analysts picked Joby over rival Archer for 2026 eVTOL exposure, citing stronger revenue growth and a much lower price-to-sales ratio. This positive comparison may draw investor money into JOBY.
New analyst preference highlights Joby's relative advantage, influencing investor sentiment.
Stock down 30% in 2026 despite progress Joby shares have fallen about 30% this year even as certification advances, showing investors worry about high cash burn and no revenue yet. This weak price trend is a real counterweight to the positive news.
It provides the necessary balance: despite operational wins, the stock has been punished, reflecting execution and financial risks.

Delta Air Lines Inc (DAL)

Q3 202629 Jun – 25 Sep 2026

▲2▼1

Delta's record Q2 and Berkshire boost offset by fuel spike and cost pressures

Record Q2 earnings and reinstated guidance Delta reported record Q2 earnings and reinstated guidance, showing strong pricing power by passing 60% of fuel costs to consumers. Premium revenue grew 16–17%, and premium/loyalty reached 61% of Q2 revenue.
This is new positive news that directly supports the stock by demonstrating earnings strength and pricing power.
Berkshire boosts stake 44% to ~$5.4 billion Berkshire Hathaway increased its Delta stake by 44% to about $5.4 billion, reinforcing confidence in Delta's premium and loyalty business. Analysts also raised price targets, with Simply Wall St at $105.52 and Redburn initiating a Buy at $105.
This is a new vote of confidence from a major investor and analyst upgrades that can lift sentiment and the stock price.
Oil spike threatens $400 million monthly cost Jet fuel neared $140 per barrel, up 74% year-over-year, threatening roughly $400 million in monthly costs. Non-fuel unit costs also rose 6.8%, and shares fell 16% since August despite strong revenue.
This is a new negative force that pressures Delta's profitability and has already contributed to a stock decline.
Hormuz reopening hopes ease fuel fears but unverified Hopes that the Strait of Hormuz would reopen eased fuel cost fears, but the claim remains unverified and may not hold. This uncertainty leaves Delta's cost outlook cloudy, balancing potential relief against risk.
This is a new mixed factor that could either relieve or worsen the fuel cost pressure, affecting Delta's stock direction.

September 202614 Sep – 25 Sep 2026

▲2▼1

Oil spike squeezes Delta, but premium mix and analyst support offset

Oil surge raises fuel costs Oil futures jumped 40% since August, nearing $110 a barrel, pushing jet fuel costs higher. Delta's Pennsylvania refinery softens the blow, but its shares still fell 16% since August. Higher fuel eats into profit unless fares rise or routes are cut.
This is the main new pressure on Delta's costs and stock price this period.
Premium and loyalty revenue keep growing Delta said non-main-cabin revenue hit 61% of Q2 revenue, with premium and loyalty each up nearly 20%. This shift away from basic coach tickets makes earnings steadier and less dependent on price wars, supporting the stock.
It shows a structural profit driver that helps offset fuel cost worries.
Analyst reiterates Buy, sees 2027 upside Redburn kept a Buy rating on Delta with a $105 target, saying strong leisure and premium demand plus limited capacity will lift unit revenue. Its 2027 forecasts are above consensus, signaling confidence in Delta's earnings power.
Analyst support can attract buyers and shape expectations for Delta's future profits.
Hormuz reopening hopes ease fuel fears Iran said it could reopen the Strait of Hormuz within seven days, sending oil lower and Delta shares up 1.7%. But the claim is unverified and similar past deals collapsed, so the relief may not last. Lower fuel helps, but uncertainty remains.
It is a potential turning point for fuel costs, though fragile, directly affecting Delta's outlook.

Latest14 Sep – 25 Sep 2026

▲2▼1

Oil spike squeezes Delta, but premium mix and analyst support offset

Oil surge raises fuel costs Oil futures jumped 40% since August, nearing $110 a barrel, pushing jet fuel costs higher. Delta's Pennsylvania refinery softens the blow, but its shares still fell 16% since August. Higher fuel eats into profit unless fares rise or routes are cut.
This is the main new pressure on Delta's costs and stock price this period.
Premium and loyalty revenue keep growing Delta said non-main-cabin revenue hit 61% of Q2 revenue, with premium and loyalty each up nearly 20%. This shift away from basic coach tickets makes earnings steadier and less dependent on price wars, supporting the stock.
It shows a structural profit driver that helps offset fuel cost worries.
Analyst reiterates Buy, sees 2027 upside Redburn kept a Buy rating on Delta with a $105 target, saying strong leisure and premium demand plus limited capacity will lift unit revenue. Its 2027 forecasts are above consensus, signaling confidence in Delta's earnings power.
Analyst support can attract buyers and shape expectations for Delta's future profits.
Hormuz reopening hopes ease fuel fears Iran said it could reopen the Strait of Hormuz within seven days, sending oil lower and Delta shares up 1.7%. But the claim is unverified and similar past deals collapsed, so the relief may not last. Lower fuel helps, but uncertainty remains.
It is a potential turning point for fuel costs, though fragile, directly affecting Delta's outlook.

August 202626 Jul – 4 Sep 2026

▲3▼1

Delta gains on demand, Berkshire stake; fuel spike threatens

Falling oil cuts fuel costs Early in the month, falling oil prices reduced Delta's fuel expenses, easing a major cost pressure and helping the stock. This made investors more optimistic about profit margins.
It explains a key positive force on Delta's price during the period.
Analysts raise fair value and targets Analysts increased their fair value estimates for Delta, with Simply Wall St raising its target by 29% to $105.52. This reflects growing confidence in Delta's earnings power and supports the stock price.
It shows a direct driver of investor sentiment and price during the period.
Berkshire boosts stake 44% Berkshire Hathaway increased its Delta stake by 44% to about $5.4 billion. This high-profile endorsement signals strong confidence in Delta's business and can attract other investors.
It highlights a major new investor action that likely lifted the stock.
Jet fuel nears $140, up 74% Later in the period, jet fuel prices surged to near $140 a barrel, up 74% from a year ago. This could add roughly $400 million in monthly costs for unhedged Delta, threatening profits and forcing higher fares or route cuts.
It is the main counterweight and risk to Delta's outlook during the period.

23 Aug – 4 Sep 2026

▲3▼1

Berkshire adds to Delta as fuel spike threatens airline profits

Berkshire's bigger Delta stake Berkshire Hathaway raised its Delta stake 44% to 57.3 million shares, about $5.4 billion, making Delta its only airline holding. A famous long-term investor buying more signals confidence and can pull other buyers in, which supports the stock.
A large, concrete new purchase by a respected investor is a direct reason DAL is moving.
AI fare testing could lift margins Delta's CEO says AI could raise profitability by up to 50%, lifting margins from about 10% to 15%, and Delta is already letting AI set prices on 3% of tickets. If it works, profits grow without selling more seats, which supports the stock.
New technology-driven profit potential is a fresh force behind the stock.
Delta outruns weaker rival American American is down 30.5% over five years while Delta gained over 100%, and American's quarterly profit of $71 million trails Delta's $1.6 billion. Delta's 9% operating margin and steady guidance show it is winning the premium-travel race, which supports its valuation.
Rival weakness highlights Delta's relative strength, a real driver of investor preference for DAL.
Fuel spike threatens costs and routes Jet fuel has neared $140 a barrel, up 74% from last year's average, after U.S.-Iran tensions raised fears about the Strait of Hormuz. Unhedged Delta faces roughly $400 million in extra monthly fuel costs, which could force higher fares or route cuts and squeeze profit.
Rising fuel is the main new risk pushing against Delta's profit outlook.

26 Jul – 14 Aug 2026

▲4

Delta's profit outlook brightens as fuel costs fall and big investors buy in

Oil price drop cuts Delta's fuel bill Oil prices fell 6% as US-Iran tensions eased, and airline stocks including Delta rose. Fuel is one of Delta's biggest costs, so cheaper oil directly boosts profit and gives the stock room to rise.
Lower fuel costs are a major force behind Delta's improving profit picture.
Analysts raise Delta's value after strong Q2 Simply Wall St lifted its fair value estimate for Delta by 29% to $105.52, and Morgan Stanley, Goldman Sachs and Wells Fargo raised price targets. This tells investors the market may be undervaluing Delta's earnings power.
Analyst upgrades reflect and reinforce the improving earnings and margin story.
Record global travel demand lifts Delta Global commercial flights hit a record 153,359 in one day, and Delta beat revenue and earnings expectations, projecting full-year 2026 income about 15% above 2025. Strong demand supports higher fares and profits.
Record demand is a core driver of Delta's revenue and earnings growth.
Berkshire boosts Delta stake by 44% Berkshire Hathaway increased its Delta stake by 44% to 57.3 million shares worth about $5.4 billion. A famous long-term investor buying more signals confidence in Delta's future and can attract other buyers.
A major investor's increased stake is a strong vote of confidence that can lift the stock.

July 202629 Jun – 22 Jul 2026

▲3▼1

Delta's record Q2 and pricing power offset rising fuel and cost pressures

Record Q2 earnings and reinstated guidance Delta beat Q2 estimates with record revenue and a $1.4 billion profit, and reinstated full-year guidance. This shows the business is performing well and gives investors more confidence in future results.
This is the main new financial result that drove sentiment in July.
Strong pricing power and premium demand Delta passed 60% of extra fuel costs to consumers, premium revenue grew 16-17%, and it plans to keep fares high even if fuel eases. This shows Delta can protect profits through pricing.
Pricing power is a key new driver of revenue and margin strength.
Cheap valuation and fuel-cost offsets The stock looks cheap at 11-13 times 2026 earnings. Delta's wholly owned refinery offsets jet fuel costs, and a five-year sustainable aviation fuel deal with Shell supports long-term plans.
Valuation and fuel-cost management are new factors supporting the stock.
Oil spike and rising non-fuel costs Oil spiked after the Iran ceasefire ended, pressuring fuel costs and the stock. Non-fuel unit costs jumped 6.8%, eating into margins and causing shares to slip despite revenue beats.
These are the main new risks that weighed on the stock in July.

13 Jul – 22 Jul 2026

▲3

Delta's premium demand and higher fares offset rising costs

Costs rise even as revenue beats Delta beat earnings and posted record revenue, but non-fuel unit costs jumped 6.8% and the stock slipped. Higher costs eat into profit margins, so even strong sales don't fully protect the stock. Management still reaffirmed full-year guidance, which limits the damage.
This is the period's main new negative and explains why the stock fell despite a beat.
Premium and corporate travel stays strong Premium products, loyalty and corporate travel drove revenue up 16% in the first half, with premium revenue up 16%. Wealthier and business travelers keep paying up, which supports Delta's pricing power and profits even when the economy is uncertain.
Demand strength is the core force behind Delta's revenue and profit growth this period.
Delta keeps fares higher for good Delta is raising fares to cover fuel costs and plans to keep them at a higher baseline even if fuel eases, as the industry discounts less. That means more revenue per passenger sticks, boosting profit and showing Delta can set prices rather than just follow costs.
This is the new pricing decision that directly lifts Delta's revenue outlook.
Cheap valuation and SAF fuel deal Delta trades at about 11-13 times 2026 earnings with higher fuel costs already baked into guidance, making it look cheap. It also signed a five-year sustainable aviation fuel deal with Shell, securing lower-carbon fuel supply and supporting its long-term cost and environmental plans.
Valuation and the new fuel-supply deal are fresh supports for the stock.

29 Jun – 10 Jul 2026

▲3▼1

Delta beats Q2, passes fuel costs to fares, but oil spike clouds outlook

Delta's Q2 earnings beat and record revenue Delta reported second-quarter results that beat estimates, with record revenue and a $1.4 billion profit. The company reinstated full-year guidance, signaling confidence. This supports the stock because it shows Delta's business is strong and profitable, even with higher costs.
This is the period's biggest company-specific event and directly answers what's driving the stock.
Delta's pricing power: passing fuel costs to higher fares CEO Ed Bastian said Delta has passed 60% of extra fuel costs to consumers and expects higher airfares to persist. Premium revenue grew 17% and main cabin 8%. This boosts profit because Delta can raise prices without losing customers, protecting margins.
It explains how Delta is managing the fuel cost spike and why profits can stay strong.
Delta's refinery hedge offsets fuel cost surge Delta's wholly owned refinery saw revenue surge 83% to $2.09 billion, offsetting $0.11 per gallon of jet fuel cost. This unique hedge softens the blow from higher oil prices, helping Delta's profit compared to airlines without a refinery.
It shows a concrete way Delta is countering the negative impact of rising fuel costs.
Oil price spike on Iran ceasefire end raises fuel costs Oil prices surged after President Trump said the ceasefire with Iran is over, pushing jet fuel costs higher. Fuel is a major expense for airlines, so this pressures Delta's profit. The stock fell on the news, reflecting investor concern about rising costs.
It is the main negative force this period and directly affects Delta's cost structure.

Q2 202617 Jun – 25 Jun 2026

▲3

Berkshire's $2.65B Delta stake and cheaper jet fuel lift the stock

Berkshire's $2.65B stake in Delta Berkshire Hathaway bought nearly 40 million Delta shares, a $2.65 billion bet under new CEO Greg Abel. It reverses Buffett's old view that airlines have no lasting edge, and the market reads it as a strong vote of confidence in Delta's premium and loyalty business.
This is the single biggest new event moving DAL and the clearest signal of outside confidence in the company.
Jet fuel costs fall sharply The Strait of Hormuz reopening and the US-Iran deal pushed oil and jet fuel down about 40% from April peaks. Fuel is an airline's biggest cost, so cheaper fuel directly boosts Delta's profit, though Delta benefits less than some peers because it hedges and owns a refinery.
Lower fuel is the main operating-cost driver behind the sector-wide rally and Delta's earnings outlook.
Tight capacity keeps fares high Airlines are adding only 0.4% more domestic seats this quarter, and budget carriers are cutting back. That lets Delta keep much of its recent fare increases instead of passing all the fuel savings to passengers, supporting revenue and profit.
It explains why cheaper fuel flows to Delta's bottom line rather than being competed away.
Strong revenue but EPS miss and rich valuation Delta's Q1 revenue beat estimates, but earnings per share and next-quarter guidance missed. UBS also notes Delta trades at more than twice United's 2027 earnings multiple, so further gains now need real revenue strength, not just cheaper fuel.
It is the honest counterweight: the fundamentals are good but not flawless, and the stock is no longer cheap.

June 202617 Jun – 25 Jun 2026

▲3

Berkshire's $2.65B Delta stake and cheaper jet fuel lift the stock

Berkshire's $2.65B stake in Delta Berkshire Hathaway bought nearly 40 million Delta shares, a $2.65 billion bet under new CEO Greg Abel. It reverses Buffett's old view that airlines have no lasting edge, and the market reads it as a strong vote of confidence in Delta's premium and loyalty business.
This is the single biggest new event moving DAL and the clearest signal of outside confidence in the company.
Jet fuel costs fall sharply The Strait of Hormuz reopening and the US-Iran deal pushed oil and jet fuel down about 40% from April peaks. Fuel is an airline's biggest cost, so cheaper fuel directly boosts Delta's profit, though Delta benefits less than some peers because it hedges and owns a refinery.
Lower fuel is the main operating-cost driver behind the sector-wide rally and Delta's earnings outlook.
Tight capacity keeps fares high Airlines are adding only 0.4% more domestic seats this quarter, and budget carriers are cutting back. That lets Delta keep much of its recent fare increases instead of passing all the fuel savings to passengers, supporting revenue and profit.
It explains why cheaper fuel flows to Delta's bottom line rather than being competed away.
Strong revenue but EPS miss and rich valuation Delta's Q1 revenue beat estimates, but earnings per share and next-quarter guidance missed. UBS also notes Delta trades at more than twice United's 2027 earnings multiple, so further gains now need real revenue strength, not just cheaper fuel.
It is the honest counterweight: the fundamentals are good but not flawless, and the stock is no longer cheap.

17 Jun – 25 Jun 2026

▲3

Berkshire's $2.65B Delta stake and cheaper jet fuel lift the stock

Berkshire's $2.65B stake in Delta Berkshire Hathaway bought nearly 40 million Delta shares, a $2.65 billion bet under new CEO Greg Abel. It reverses Buffett's old view that airlines have no lasting edge, and the market reads it as a strong vote of confidence in Delta's premium and loyalty business.
This is the single biggest new event moving DAL and the clearest signal of outside confidence in the company.
Jet fuel costs fall sharply The Strait of Hormuz reopening and the US-Iran deal pushed oil and jet fuel down about 40% from April peaks. Fuel is an airline's biggest cost, so cheaper fuel directly boosts Delta's profit, though Delta benefits less than some peers because it hedges and owns a refinery.
Lower fuel is the main operating-cost driver behind the sector-wide rally and Delta's earnings outlook.
Tight capacity keeps fares high Airlines are adding only 0.4% more domestic seats this quarter, and budget carriers are cutting back. That lets Delta keep much of its recent fare increases instead of passing all the fuel savings to passengers, supporting revenue and profit.
It explains why cheaper fuel flows to Delta's bottom line rather than being competed away.
Strong revenue but EPS miss and rich valuation Delta's Q1 revenue beat estimates, but earnings per share and next-quarter guidance missed. UBS also notes Delta trades at more than twice United's 2027 earnings multiple, so further gains now need real revenue strength, not just cheaper fuel.
It is the honest counterweight: the fundamentals are good but not flawless, and the stock is no longer cheap.