“Skiplagging” — or booking a flight with a layover to skip the last leg of travel — is a common hack for travelers who don’t want to pay for a direct flight or who to save money on airfare to a connecting destination. Airlines contend the practice results in lost revenue for seats on planes.
It is, but it’s actually done pretty well that they usually don’t need to pull anyone off the plane. They also reduce how much they overbook by as departure time comes closer