American Airlines Lost $545 Million in 3rd Quarter on Higher Labor Costs While Rivals Prosper

American Airlines planes sit stored at Pittsburgh International Airport in Imperial, Pa., on March 31, 2020. Gene J. Puskar/AP Photo

DALLAS—American Airlines posted a $545 million loss for the third quarter as revenue was flat with last summer and costs rose, especially to cover a new contract with its pilots.

American on Thursday cut its forecast of full-year earnings to between $2.25 and $2.50 per share, down from a previous forecast of $3 to $3.75 per share.