| A | B |
| airport management | Concerns itself with making the operations of an airport efficient, safe, and profitable. |
| blackout period | Period of time when no frequent-flyer mileage award seats are available. |
| computer reservation system | Computer system that allows agents to book travel products. |
| confirmed reservation | Reservation that has been entered into an airline's computer system. |
| consolidator | Company that specializes in unsold inventory. |
| customs | Procedure by which government agents inspect luggage and other goods entering a country. |
| electronic ticket | Air ticket that exists only as a computer record, much like a hotel or car rental reservation. |
| fixed-based operators | Companies that provide ground services and support to the aviation industry. |
| gate check | Checking in luggage at the aircraft's gate rather than at the check-in counter. |
| global distribution system | Computer system that allows agents to book travel products. |
| immigration | Process by which a government official controls movement of people across its borders. |
| jetway | Movable device that connects the aircraft to the terminal. |
| passenger name record | Computer reservation system's record of a booking. |
| promotional fare | Discounted fare that usually carries restrictions. |
| rate desk | Airline staff who specialize in international fares and help calculate the cost of a ticket. |
| record locator number | Six-digit figure of numbers and/or letters that identifies a reservation. |
| revenue ticket | Ticket that has been paid for. |
| skycap | Luggage handler at an airport terminal's curbside. |
| standby passenger | Waitlisted person who goes to the airport to try to get on a certain flight and is placed on a standby list. |
| unrestricted fare | Fare that permits changes to an itinerary without a penalty. |
| waitlist | List of travelers who cannot be accommodated on their desired flight because it is fully booked. |