Alaska Airlines has implemented a nationwide ground stop after an IT system failure disrupted operations. The airline confirmed the outage on Thursday, stating, “Alaska Airlines is experiencing an IT outage affecting operations. A temporary ground stop is in place. We apologize for the inconvenience.”

The disruption prompted the carrier to request the Federal Aviation Administration (FAA) approve the grounding of all flights. Passengers were advised to verify their flight status before traveling to airports. The halt impacts all Alaska Airlines services, including those departing from O’Hare International Airport in Chicago.

The airline reiterated its statement through a spokesperson, emphasizing the temporary nature of the measure while urging travelers to stay informed. No further details about the cause of the outage were provided.