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

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

An IT issue caused a “significant disruption” to Alaska’s operations, according to the company. To clear up congestion on the ground, the airline requested a ground stop at Seattle-Tacoma International Airport from 11:20 a.m. to noon.

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

Alaska Airlines had issues with its website and operations on Monday. The carrier hosted its Cyber Monday flight sale, but soon after that, users started reporting i

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.