Portland International Airport’s flight tracker showed 17 canceled Alaska arrivals and seven canceled departures as of 6:30 a.m. Friday, as well as dozens of delayed flights. Alaska Airlines said it is working on getting travelers affected by the disruption to their destinations.

Alaska Airlines has resumed operations after an information technology problem forced hundreds of its flights to be grounded Thursday night.

Alaska Air is launching nonstop, daily seasonal flights from BWI Marshall Airport to Portland International Airport in Oregon on May 13 according to a social media post from BWI Marshall Airport. BWI previously offered direct flights to Portland from Baltimore in June until ending the service in August.

Alaska Airlines resumed operations after issuing a nationwide ground stop for eight hours following a "significant IT outage," the airline said.

The airline said in a statement that it was "experiencing an IT outage affecting operations" and had "issued a temporary ground stop."

Alaska Airlines said late on Oct. 23 that it was restoring operations after grounding flights for about three hours due to an unspecified technology outage. "We are actively restoring our operations following an IT outage," the airline said on social media.

The Trump administration has finalized a plan to open the coastal plain of Alaska's Arctic National Wildlife Refuge to oil and gas drilling, renewing long-simmering debate over whether to drill in one of the nation's most sensitive wilderness areas.

Alaska Airlines late Thursday announced it was "actively restoring operations" after issuing a ground stoppage due to an IT outage.

"Alaska Airlines is experiencing an IT outage affecting operations. A temporary ground stop is in place. We apologize for the inconvenience," Alaska Airlines said in a statement issued on social media.

President Donald Trump has approved major disaster declarations for Alaska, Nebraska, North Dakota and the Leech Lake Band of Ojibwe