American Airlines said the passengers and crew on both flights would be put on different planes. The FAA said it will investigate this latest incident. NBC News contributed to this report.

In 2016, American Airlines was the first U.S. airline to debut long-haul Premium Economy seats, after which it saw high demand and added even more of the seats to its long-haul aircraft.

The two new Boeing 787-9 planes arrived in Dallas-Fort Worth last week and are just a couple of the 30 new aircraft expected to join the airline's "fleet family between now and 2029." Flagship ...

American Airlines will begin flying the 128-seat Airbus A319 on its direct flights between Durango and Dallas on Sept. 23. The decision to add a larger airplane to the twice daily direct route ...

American Airlines really doesn’t want to pay tariffs on new planes. “I don't want to pay any more for aircraft. It doesn't make sense,” American CEO Robert Isom said Thursday.

American currently has three B787-9P planes, but more are quickly on the way. By 2029, the fleet will include 30 of the new planes, growing the number of business and premium economy seats the ...