Flights at Reagan National Airport near Washington, D.C. were suspended Thursday morning after the collision of an American Airlines jet and a military helicopter Wednesday.

Southwest Airlines Co. warned that costs will climb faster than expected as it grapples with heavy labor expenses, ...

Figure skaters and coaches returning from the national championships were aboard the American Airlines flight that collided ...

Southwest Airlines stock was falling on Thursday after the carrier’s fourth-quarter revenue and forward guidance both came in ...