What Happens When You Miss a Flight? If you miss your flight, what happens next depends on why you missed it, your airline’s policy, and how quickly you contact the airline. In some cases, airlines will rebook you on the next available flight at little or no cost. In other situations, you may lose the value of your ticket and need to buy a new one. Below is exactly what happens if you miss a flight, what to do immediately, and how to avoid paying more than you have to. Our Experience Missing A Flight (And what we learned...