Airline Fares Up 22% as Fuel Costs Reshape U.S. Flight Capacity

Higher fuel costs are lifting ticket prices and thinning some U.S. flight schedules, even as Airlines for America CEO Chris Sununu argues that fares remain affordable by historical standards. He said prices have climbed 22% year over year, but from unusually low levels before 2026. That distinction matters: a sharp increase can still leave fares below earlier levels, while feeling expensive to travelers who are comparing today’s ticket with what they paid recently. Both things can be true at once.

Sununu’s argument is about the starting point as much as the increase. A year-over-year comparison captures the direction and pace of a change, but it doesn’t tell passengers what a particular route costs, how much choice they have, or whether a fare fits their budget. For airlines, the same distinction shapes how they explain pricing: they can point to low historical baselines while customers see a rising bill. The numbers here don’t settle the affordability question on their own.

Sununu attributed the increase largely to jet fuel made more expensive by the war in Iran and the closure of the Strait of Hormuz. Speaking with CBS’ The Takeout, he described economy fares as affordable while noting that passengers pay more for premium and first-class seats.

Fuel is a major operating expense for airlines, so a sustained rise can affect decisions beyond the price printed on a ticket. Carriers can respond by raising fares, changing how much capacity they offer, or reviewing whether particular flights still make economic sense. Those responses don’t necessarily happen uniformly: a route with strong demand may support a different decision from one with fewer passengers or higher operating costs. Sununu’s account links the fare increase to fuel, but the source doesn’t specify how much of the change comes from fuel compared with other pressures.

The price rise began in February, when the conflict started. The May collapse of ultra-low-cost carrier Spirit Airlines and major airlines’ growing emphasis on premium cabins may also be affecting fares.

Those factors complicate any simple explanation. The departure of an ultra-low-cost carrier can reduce the number of low-fare options available to some travelers, while a greater focus on premium cabins can shape how airlines allocate seats and pursue revenue. Neither point, by itself, establishes how much prices have changed on any given route. But together they help explain why travelers may encounter fewer bargain choices even as airlines describe economy fares as affordable by historical standards.

Fuel costs are shaping schedules

Asked whether airlines are leaving seats empty instead of cutting fares, Sununu rejected the claim. He said carriers remove flights that can’t cover their costs, particularly with fuel prices so high. As an example, he said a route that once had three daily flights from Wichita to Green Bay had been reduced to two.

The distinction is important. A flight that’s removed from a schedule doesn’t offer seats at any price, so a fare reduction can’t fill that particular aircraft; the airline has already decided the service isn’t worth operating. This is more significant than it looks, because capacity decisions can affect passengers who don’t have an easy alternative time or route. Sununu’s example illustrates the kind of change he says is happening, though it doesn’t establish how widespread such reductions are.

That capacity reduction, he argued, means flights are often crowded. The economics he described point to a direct trade-off: airlines are trimming service where fuel costs make operating a flight unprofitable, while passengers face fewer seats on some routes.

Fewer scheduled flights can leave less room for travelers to shift to another departure when plans change, and fuller planes can make a route feel more constrained. The effects will vary by market, since the example of one city pair can’t tell us what’s happening across the country. Still, the basic mechanism is clear: if costs rise and an airline cuts a flight, passengers may have fewer choices even if the airline hasn’t deliberately held seats back to push prices higher.

Here’s the thing: the passenger experience is shaped by both the fare and the schedule. A ticket may remain affordable by a long-run comparison and still be harder to find at a convenient time. If you’re working in this space, that’s the tension to watch: pricing claims can be technically accurate while route-level availability tells a less comfortable story.

Sununu backs air traffic control upgrades

Sununu also praised the FAA’s air traffic control modernization effort, crediting Transportation Secretary Sean Duffy and FAA Administrator Bryan Bedford with starting the first serious system-wide upgrade in decades. He said the effort had advanced more in the past 12 months than in the previous 40 years, despite his skepticism toward Washington infrastructure projects.

That is a strong assessment, and it’s Sununu’s characterization of the effort. Modernizing air traffic control involves equipment and systems that support how aircraft are managed through the national airspace. When such infrastructure is outdated, changes may be needed simply to keep operations working as intended; an upgrade’s value depends on whether it improves day-to-day performance, not just whether work has begun. The source doesn’t detail the project’s components or provide independent measures of progress, so the claim about its pace should be read as his view.

He expects the changes to improve efficiency while maintaining safety. Sununu said outdated equipment has forced the system to operate more slowly in recent years; modernization, in his view, should help restore capacity and efficiency. The practical test will be whether those upgrades let the system handle flights more effectively as airlines and passengers contend with higher operating costs.

That test will take time and will be visible in operational results: whether the system can manage traffic efficiently while preserving safety. Better air traffic control could help the broader network handle flights, but it won’t directly lower jet fuel prices or guarantee that airlines restore every route they’ve cut. And this is the part most people overlook: improving one layer of aviation infrastructure can’t resolve every pressure passengers face at once.

For travelers, the near-term picture remains mixed. Fuel costs are pushing airlines to reconsider fares and schedules, while the loss of an ultra-low-cost carrier and a shift toward premium seats may affect the choices available. Modernization offers a possible route to better system efficiency, but Sununu’s expectations are not yet the same as demonstrated results. A useful signal will be whether the promised operational improvements show up in the way flights are handled. For now, the trade-off he describes is plain: higher costs for airlines can mean higher fares or fewer flights. And sometimes both.