American Airlines resumed normal flight operations after resolving an IT issue. This technology disruption had prompted the Federal Aviation Administration to issue a nationwide ground stop. The airline's network connectivity was briefly impacted, causing significant flight delays across the country. American Airlines apologized to passengers for the inconvenience caused by the disruption.

American Airlines flights not in the air were being held for a nationwide ground stop Tuesday evening because of an IT outage, according to an FAA advisory.

An American Airlines IT outage disrupted its app and website, prompting the FAA to issue a ground stop for all non-airborne flights Tuesday.

Though the ground stop was brief, the ripple effect of halting all planes from such a large carrier will take some time to fully dissipate.