A Nonrev or Non-rev , in airline parlance, is short for a non-revenue passenger . Typically this refers to an airline employee, or family member of an airline employee, who is utilizing their travel benefits to fly on a standby basis at no cost, or at a substantially reduced cost. Another term is interline travel.

Non-revenue flights are non-taxable. Because it is supposed to cost nothing for an airline to carry that nonrev passenger, the nonrev passenger flies on a standby basis: he could not have reserved a seat.

When there are more passengers on standby than there are available seats, free spaces are awarded based on priority: nonrev passengers have the lowest priority on a flight's standby list, as they will be competing with paying passengers on standby as well as other nonrevs. Further, nonrevs are prioritized amongst one another, with airline employees prioritized by seniority, then airline employee family members, and then finally "buddy passes", which are neither.

Airline employees usually enjoy the freedom of flying any flight on a standby basis with little or no advance booking, as long as there is a seat available on the flight. As a result, there is a niche "nonrev" vacation industry that caters to airline employees. travel agencies catering to nonrevs market surplus discounted vacations, and hotel accommodations at the last minute at deeply discounted rates, with the knowledge that nonrev travelers are able to travel to fill such accommodations with minimal advance planning.

Nonrevs also often get discounts at the cities they layover when they work. They generally receive discounts at restaurants, attractions and local tours due to the fact that frequently visit in large groups said businesses. Nonrevs on vacations sometimes make others aware of these discounts by passing information to their fellow workers through word of mouth as well as company blogs or special-purpose nonrev websites.