USDOT has some rules re tarmac delays "For flights departing from a U.S. airport, airlines are required to begin to move the airplane to a location where passen

USDOT has some rules re tarmac delays "For flights departing from a U.S. airport, airlines are required to begin to move the airplane to a location where passengers can safely get off before 3 hours for domestic flights and 4 hours for international flights." from https://www.transportation.gov/individuals/aviation-consumer-protection/tarmac-delays https://www.transportation.gov/individuals/aviation-consumer... but it looks like they fell within the 3 hour cap, plus there's probably no monetary penalty to passengers as you propose.