Frequently asked questions.

Two hours before a domestic flight, three hours before an international one. Add extra time at hubs like ATL, LHR or CDG during peak morning departures.

You are entitled to a full cash refund to your original payment method, or a rebooking on the next available flight at no extra cost. Under EU 261 you may also be entitled to fixed cash compensation.

No. AirHelpService is an independent English-language information service that helps travelers understand air travel. We do not sell flights or hold funds for any airline.

Yes, under the Montreal Convention for international flights (up to about USD 2,050 in proven costs) and often through your airline's own policy on domestic flights.

Sometimes. The UK, U.S., China, Russia and Australia require transit-specific visas or authorizations even if you never leave the airport.

Submit a written claim to the airline citing the regulation, flight distance and delay length. If ignored for 8 weeks, escalate to the departure country's National Enforcement Body.

A layover is under 24 hours (under 4 hours domestic in the U.S.). A stopover is longer and is often used as a free feature by carriers like Icelandair or TAP Portugal to visit their hub city.

Solid food yes, liquids and gels only under 100 ml. Fresh fruit is usually blocked at international arrivals due to biosecurity, not at security.

A U.S. trusted traveler program that lets you use expedited security lanes without removing shoes, belts, laptops or liquids. Costs $78 for 5 years.

No. Under current U.S. DOT rules and EU 261, you have the right to a refund to your original form of payment when the airline cancels your flight.