If your flight is canceled or delayed by more than three hours for a domestic itinerary, or six hours for an international itinerary, you’re automatically entitled to a refund.
Under the latest guidelines, an airline must provide the refunds automatically, without passengers specifically requesting them.

The U.S. Department of Transportation’s new refund rule for air travelers mandates automatic refunds for significantly delayed or canceled flights.

Domestic flights delayed by three hours or more and international flights delayed by six hours or more qualify for a full refund.

Airlines must issue refunds within seven days for credit card purchases and 20 days for other forms of payment.

The rule also requires refunds for checked bag fees if luggage is not delivered within a specified timeframe, as well as for non-functional or unavailable paid services like Wi-Fi.

Source: USA Today

https://www.usatoday.com/story/travel/airline-news/2024/10/28/new-refund-rules-for-delayed-and-canceled-flights/75837222007/