Airlines

Delta Air Lines wasn't far behind, capitalizing on the relaunch of its JFK-to-Tel Aviv route and a commanding September seat share that reinforced its position as a dominant force in the domestic market. American Airlines made headlines of its own when its leadership sat down with the FAA chief to hash out a plan for cutting flight delays, a meeting that came alongside fresh chatter about route expansion tied to the carrier's centennial year. Southwest Airlines was pulled into that same FAA sit-down while separately holding its spot among the busiest capacity providers in the country. JetBlue Airways, by contrast, made news by trimming its map — most notably ending service to Daytona Beach — as it continues reshaping its network. Frontier Airlines kept growing into the gaps left by others, benefiting from shifting capacity and visible expansion through September, while Alaska Airlines drew attention with a new hometown-inspired in-flight menu rollout. Breeze Airways marked a fleet milestone by retiring its final Embraer E190 and completing its transition to an all-Airbus A220 fleet, and Allegiant Air stayed active with a wave of September fare promotions aimed at leisure travelers. Sun Country Airlines closed out the list under a cloud of concern, after a steep schedule cut in September raised fresh questions among travel agents and passengers about staffing and capacity.

Across the board, the picture is one of a U.S. airline industry in flux — legacy carriers grappling with public scrutiny and delay-reduction pressure even as low-cost and regional players reshuffle routes, fleets, and fares to chase growth or stability heading into the fall travel season.