Commonly called “bumping,” – When more passengers arrive to take a flight than can actually fit on the plane; although legal, the carrier is only responsible for providing compensation to a traveler if he/she has a confirmed reservation and is checked in and has arrived at the departure gate within a pre-determined time period; compensation may be in cash or in a voucher for future travel; passengers who voluntarily relinquish their seats are compensated with a cash payment or voucher towards a future trip and are then accommodated on the next available flight; if an airline delivers a bumped passenger to his/her destination within an hour of the originally-scheduled time, no compensation is required.