Watch a Spirit pilot's impromptu retirement celebration after airline shutters

A former Spirit pilot received an impromptu retirement celebration when the airline's sudden shutdown led to the cancellation of what would have been his final flight . Captain Jon Jackson ended up on a Southwest Airlines flight to return home to Baltimore International Airport. Video captured the warm welcome he received upon arrival — complete with a bottle of champagne and a cheering crowd. "This is very overwhelming," Jackson said, after the crowd encouraged him to give a speech. …