Thousands of flights canceled as airlines work to recover from nationwide ground stop

The nationwide stop was the first since January 2023, when another key Federal Aviation Administration computer system that sends notices to pilots malfunctioned, and the second since the Sept. 11, 2001, attacks.

The nationwide stop was the first since January 2023, when another key Federal Aviation Administration computer system that sends notices to pilots malfunctioned, and the second since the Sept. 11, 2001, attacks.