Skift Take

Alaska and United continue to cancel hundreds of flights as the FAA orders certain Boeing 737 Max 9s remain grounded for inspection.

Cancellations for Alaska Airlines and United Airlines continued into Monday as the FAA said certain Boeing 7 Max 9s would stay grounded until the agency deemed them safe to operate. 

Alaska had 139 flights canceled as of Monday morning, United had 204, according to flight tracking site FlightAware. 

The FAA order came after a section of the plane – a door plug – suddenly blew off shortly after takeoff on an Alaska 737 Max 9 that had departed Portland, Oregon for Ontario, California. The plan