Airlines are rarely required to give you a hotel voucher when flights are delayed or canceled. Here's when you can get one.

A man sleeps while waiting for his plane departure at George Bush Intercontinental Airport on December 03, 2021 in Houston, Texas.Brandon Bell/Getty Images

• Hundreds of passengers have found themselves sleeping on airport floors amid this summer's flight chaos.
• US airlines do not provide hotel vouchers if a flight is delayed or canceled for reasons beyond their control.

There are no federal laws in the US requiring airlines to provide free hotel or food vouchers when a flight is delayed or canceled. Instead, individual airlines set their own policies.

Below are the individual overnight accommodation policies of Delta, United Airlines, American Airlines, and JetBlue, as described in their contract of carriage, the legal agreement between an airline and its passengers.