American Airlines, United Airlines, and Southwest Airlines are all pulling back on flights as jet fuel costs spike, adding roughly a billion dollars to one carrier's fuel bill in a single quarter.
Executives from the three largest domestic carriers laid out the damage at Morgan Stanley's 14th Annual Laguna Conference on Wednesday, each describing a different version of the same problem: fuel prices climbed fast, and the math no longer works on every route they planned to fly.
Devon May, American Airlines' chief financial officer, told the conference that fourth-quarter jet fuel prices are running about a dollar per gallon above what the airline projected back in July. That gap, he said, adds roughly $1 billion to American's fuel bill for the quarter alone. Fox Business reported that American has already begun adjusting capacity and plans further cuts later in the fourth quarter.
"Overall for the third quarter, we feel great. What's happened in the last four weeks, though is fuel's run up probably $1 a gallon or something like that for the fourth quarter alone."
That billion-dollar hit landed fast. Four weeks ago, the outlook was manageable. Now carriers are scrambling to trim schedules before the holiday travel season, a period when airlines typically pack planes full and count on strong revenue to close out the year.
United Airlines CFO Michael Leskinen was blunter about what comes next. Some December flights United expected to operate simply will not fly. If fuel stays elevated, the airline will cut further into the first quarter and potentially beyond into 2027.
"As you look into the fourth quarter, there'll be some flights in December that we won't fly that we thought we were going to fly. If fuel remains high, we'll make some adjustments into the first quarter and beyond into 2027."
Leskinen offered one piece of reassurance: demand itself has not cracked. He described fourth-quarter bookings as "tremendously strong" and said premium travel, corporate demand, and economy bookings have all held up.
"Bookings have continued as we expected, so that piece of the equation is resilient, very little evidence of demand destruction."
So travelers still want to fly. The problem is that the cost of getting them there has outrun the revenue airlines can collect on certain routes. When fuel spikes, the marginal flight, the one that barely broke even at lower prices, becomes a money-loser. Airlines cancel it.
Southwest Airlines entered the year with modest plans to grow capacity. CFO Tom Doxey told the conference that the airline has already pared back about half of that planned year-over-year growth for 2026. He called trimming capacity the "natural response" if fuel stays elevated for an extended period.
A Southwest spokesperson later walked back the sharpest reading of Doxey's remarks, telling Fox Business that the CFO was making an "illustrative point" about trimming capacity and was "not alluding to an action we've taken." The spokesperson said schedule adjustments so far have been minimal.
Still, cutting half your growth plan is not minimal. Southwest may frame it as hypothetical, but the numbers already moved.
Stronger-than-expected fall bookings gave Southwest enough of a cushion to maintain its third-quarter earnings guidance despite the fuel headwinds. That is a short-term buffer, not a long-term fix.
The International Air Transport Association pegged the global average jet fuel price at $181.46 per barrel last week, a 6.1% jump in just seven days. That kind of weekly move ripples through every airline's cost structure almost immediately.
American Airlines CEO Robert Isom struck a more optimistic tone on the revenue side, saying the carrier still expects third-quarter revenue to rise 16% to 19% from a year earlier. He pointed to strength across domestic and international markets and in both premium and economy cabins.
"When you take into account fuel right now, yes, we've absolutely done a great job of recapturing a tremendous amount of that expense."
Revenue growth of that magnitude is real. But recapturing "a tremendous amount" of a billion-dollar cost increase is not the same as recapturing all of it. The gap between fuel costs and what airlines can pass along to passengers through higher fares is the gap that forces schedule cuts.
Three major carriers, three CFOs, one conference, one message: fuel got expensive fast, and flights are disappearing because of it. United is pulling December routes. American is staring at a billion-dollar quarterly fuel bill it did not plan for. Southwest already gutted half its growth strategy for the year.
None of the executives addressed the policy environment driving crude oil and diesel prices higher, that fell to a separate Fox Business segment featuring economist Stephen Moore and host Stuart Varney, who discussed surging crude oil prices and rising diesel costs alongside President Trump's proposed dividend plan for American adults.
Spokespersons for American Airlines and United Airlines had nothing further to add beyond their executives' public remarks at the conference.
Energy prices are not acts of nature. They respond to policy, to what gets drilled, what gets permitted, what gets blocked, and what gets taxed. When fuel costs spike and airlines start canceling flights weeks before Christmas, the people who pay are not the executives at the conference. They are the families trying to get home.