"Oversold flights" refers to a situation where an airline has sold more tickets for a flight than the actual number of available seats on the plane. Full definition
Now, we're proposing additional requirements that would increase compensation for passengers bumped from oversold flights; requirements that would enable customers to return tickets — for a full refund — within 24 hours of their purchase; and requirements that would make airlines reimburse baggage fees if they don't deliver luggage on time. (transportation.gov)
United's contract of carriage says it may deny boarding on oversold flights after volunteers are sought. (abajournal.com)
They are partnering with Volantio, a third - party aviation technology startup based in Atlanta, to alleviate the problem of oversold flights and angry passengers. (upgradedpoints.com)