American Airlines flights have resumed after a system outage grounded flights. Multiple reports on social media said planes were unable to take off because of technical problems.

An American Airlines Airbus A321 airplane taxis at San Diego International Airport before departing to Dallas at sunset on May 10, 2025 in San Diego, California.

Smoking engine forces American Airlines to abort flight No injuries as Airbus A321 with 159 onboard makes emergency landing in Las Vegas ...