How we work it out
Distance is great-circle from first departure to final destination. UK bands are £220 / £350 / £520; EU bands are €250 / €400 / €600, with €400 for intra-EU flights over 932 miles. The thresholds are 1,500 km and 3,500 km in the law. Sources: UK261, EU261, CAA. Last checked 9 Nov 2026.
Distance is great-circle from first departure to final destination (OurAirports). UK amounts £220 / £350 / £520; EU €250 / €400 / €600. Delay threshold: 3 hours. On long-haul flights the airline can reduce the amount to £260 / €300 if you arrived 3–4 hours late (Art 7(2); CAA practice).
Regime choice lives in flightcomp/public/js/calc.js → decideRegime.