The U.S. Airlines Growing and Shrinking in 2025

The US airline industry is seeing a modest capacity increase of 1% for Q1 2025.

Delta Airlines is focusing growth on mid-continent hubs like Atlanta and Minneapolis.

United Airlines is experiencing the fastest growth among major carriers, with a 5% increase in capacity.

American Airlines is slowing down growth, particularly at major hubs like LAX and JFK.

Southwest Airlines is reducing capacity by 4% as part of a strategy to return to profitability.

Alaska Airlines is growing modestly at 2%, focusing on secondary markets.

JetBlue is shrinking overall by 3%, with significant cuts in Los Angeles and Newark.

Spirit Airlines is undergoing restructuring due to bankruptcy, leading to drastic capacity cuts.

Frontier Airlines is capitalizing on Spirit's struggles, with a 9% increase in capacity.

The competitive landscape is shifting, with low-cost carriers facing challenges while major airlines adapt to market demands.