Colonel Roy A. Knight Jr. disappeared over Laos during the Vietnam War. His son grew up without knowing what happened to his father until he received a phone call in 2019. Retired Southwest Airlines Pilot Bryan Knight tells us how after more than 50 years, he was finally able to fly his dad home.

For more stories on Southwest Airlines’ 50 years of flying and a look behind the scenes, check out latimes.com/isthisseatopen