> Do people really miss their flights so often that overbooking isn't often an issue
Yes. Wendover Productions on YouTube posted an excellent video a while back explaining why airlines overbook their flights: https://www.youtube.com/watch?v=EqWksuyry5w Most of the time it's not an issue.
Yes. Wendover Productions on YouTube posted an excellent video a while back explaining why airlines overbook their flights: https://www.youtube.com/watch?v=EqWksuyry5w Most of the time it's not an issue.