At least in the US, involuntarily getting bumped from a flight requires mandatory compensation in some instances (if the arrival delay is >1 hour): https://www.

At least in the US, involuntarily getting bumped from a flight requires mandatory compensation in some instances (if the arrival delay is >1 hour): https://www.transportation.gov/individuals/aviation-consumer-protection/bumping-oversales https://www.transportation.gov/individuals/aviation-consumer...