Overbooking
What is Overbooking?
Overbooking is the deliberate practice of selling more reservations than available seats — a common airline (and hotel) yield-management strategy based on statistical predictions about no-show rates. Since a predictable percentage of booked passengers historically fail to appear, airlines oversell seats to ensure aircraft depart full. When the model is accurate, overbooking is invisible to all passengers. When more passengers arrive than there are seats, the airline must "bump" confirmed passengers involuntarily — offering compensation, a seat on the next available flight, and potentially hotel accommodation for overnight delays.
EU Regulation 261/2004 and US Department of Transportation rules specify minimum compensation thresholds for involuntary denied boarding. Experienced travellers know that airlines typically first seek volunteers to give up their seat in exchange for travel credits, upgrades, or cash — a negotiation worth engaging with if your schedule permits the delay.
Example of Overbooking
James volunteered to give up his seat on an overbooked Frankfurt-London flight. He was given a confirmed seat on a flight three hours later, a meal voucher, and a €400 flight voucher. The whole negotiation at the gate took four minutes. He found a comfortable seat in the terminal, ate a reasonable airport meal, and used the voucher six months later for a flight he would have paid for anyway. Occasionally, overbooking was practically fine.