Seattle-based Alaska Airlines is recovering Tuesday after an IT issue grounded flights at its hub airport and stopped passengers from making online bookings.

Alaska Airlines says an unspecified technology issue caused the temporary grounding of flights in Seattle and continuing problems with booking flights online.

Alaska Airlines’ Cyber Monday sale causes a major IT outage and flight disruption as the carrier’s website and booking engine crashes.

Alaska Airlines grounded flights leaving Seattle-Tacoma International Airport for about 40 minutes late Monday morning due to computer snags.

A technology issue at Alaska Airlines resulted in the temporary grounding of flights in Seattle on Monday morning and problems into the afternoon for people trying to book flights on its website, the airline said.

An unspecified tech issue on Cyber Monday caused disruptions to bookings and delayed flights on Alaska Airlines.

Alaska Airlines grounded flights leaving Seattle for 40 minutes Monday morning due to computer troubles, the company said in an emailed statement. An IT issue caused a “significant disruption” to Alaska’s operations,

We sincerely apologize to our guests who are impacted and are working to resolve the issue as soon as possible,” the statement said.