Bumped on transatlantic flight - compensation rules?

When travelling from the US to an EU country, and involuntarily denied boarding, there are two different entities that could regulate the compensation:

The US Department of Transportation has rules based on hours delayed and percentage of the ticket.
The EU has rules based on kilometers traveled. In addition, it includes hotel costs and meals.

Which one of these rules would apply?

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How much do airlines have to pay for bumping passengers?

New airline compensation can go to $10,000 in order to get a voluntary bumping status from passengers. Almost immediately, United Airlines and Delta Air Lines announced new passenger compensation. Each airline pledged up to $10,000 to get passengers to leave the flight voluntarily.

Do airlines have to compensate for overbooking?

Then, if you get to the gate and it's indeed overbooked, the airline will first ask for volunteers to give up their seats in exchange for some type of compensation (think credit, cash, or a discount). You can negotiate the rate, so go ahead and ask for more.

How much does it cost to get bumped from a flight?

For domestic flights, if the delay is between one and two hours, the compensation is 200% of a one-way fare. Over two hours will get you 400% of that cost, but airlines in both cases may limit the payout to $775 and $1,550, respectively, if the one-way fare exceeds those amounts.

What happens if a flight is overbooked?

If your flight is overbooked and there is a possibility that you will be denied boarding because there are too many passengers, your rights are protected by Regulation EC 261/2004. It states that, as with flight delays and cancellations, the airline must provide you with appropriate care.

HOW TO CLAIM COMPENSATION FOR FLIGHT DELAYS| AIRHELP

Sources: Stack Exchange - This article follows the attribution requirements of Stack Exchange and is licensed under CC BY-SA 3.0.

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