A "technical issue" is disrupting American Airlines flights nationwide, according to the airline

American Airlines grounds all flights in US due to technical issue

Major airline grounds all flights on Christmas Eve

American Airlines, world's largest, grounds all US flights on Christmas eve, cites "technical issue"

American Airlines grounds all US flights over 'technical issue'

American Airlines grounds all US flights on Christmas Eve

American Airlines halts all flights nationwide, citing a 'technical issue' on one of the busiest travel days of the year

American Airlines lifts ground stop after unspecified technical issue

The FAA has halted all American Airlines flights in the U.S. after the airline reported technical issues systemwide.