If you experienced travel disruptions between Memorial Day and/or Labor Day weekends last year, you may be entitled to compensation from the airlines.

According to AirHelp, an organization that advocates for air passenger rights, over 107,900 US passengers flying to and from the European Union between those dates could receive up to $700 in compensation if they experienced cancellations or long delays — and they have three years to claim it.

European law EC 261 requires airlines to compensate passengers on flights into and out of the EU on a European airline for delays over three hours, as well as for denied boarding and cancellations. If the disruption was caused by circumstances beyond the airline’s control, however, like bad weather, terrorism, or safety concerns such as air traffic control issues, airlines are exempt from this rule.

To determine your eligibility for compensation, simply enter your flight information on AirHelp’s website. You are also able to file a claim directly on the website if you end up being eligible.