A new U.S. Department of Transportation rule that went into effect last month says if your flight is delayed by more than three hours for domestic trips, or more than six hours for international trips, you’re automatically entitled to a refund if you choose not to travel on the delayed flight, USA Today reported.

The contract workers walked off the job, demanding higher wages and better working conditions at Charlotte Douglas.

Service workers at Charlotte Douglas International Airport went on strike Monday morning at the start of the busy Thanksgiving week to protest unfair labor practices and demand higher wages.