To successfully ask for compensation from an airline in 2026, you must be polite, persistent, and fact-based. First, document the delay or issue in real-time by taking photos of departure boards or screenshots of the airline's app. If your flight is delayed over 3 hours in the EU or UK, or significantly delayed in the US, use the phrase "I would like to claim compensation under [Regulation, e.g., EC 261/2004 or UK261]." Do not accept vouchers at the gate if you are entitled to cash, as vouchers often "waive" your right to a larger legal claim. After the flight, submit a formal claim through the airline’s "Help" or "Customer Relations" portal rather than social media. Be specific about your losses (meals, hotels, or missed connections) and attach all receipts. A high-value "pro-tip" for 2026 is to mention any elite status you hold, as "high-value" customers are often processed faster. If the airline denies a valid claim, your next step is to use an "Alternative Dispute Resolution" (ADR) service or a specialized flight-claim agency.