CEO Robert Isom is facing mounting pressure to bolster the carrier’s financial and operational performance.

U.S. carriers have signaled support for Corsia in lieu of a patchwork of carbon regulations.

The airline says its new economic model is critical to catch industry rivals, even if passengers have to pay more.

Avelo Airlines plans to end deportation flights for U.S. Immigration and Customs Enforcement as part of a wider overhaul of its business. The startup is among low-fare carriers working to sustain ...