Switzerland occupies a unique legal position. It is neither an EU nor an EEA member, but a bilateral Air Transport Agreement between Switzerland and the EU means that EC261 applies to flights departing from Swiss airports. Zurich, Geneva, and Basel (which straddles the French border) are major international airports. SWISS International Air Lines (part of the Lufthansa Group) and easyJet Switzerland are the principal carriers.
EC261 coverage
EC261 applies to all flights departing from Swiss airports, regardless of the airline. A United Airlines flight from Zurich to New York is covered, just as a SWISS flight from Geneva to London would be. However, flights arriving in Switzerland from outside the EU on a non-EU carrier are not covered — the same rule that applies to EU airports.
Time limit
Switzerland applies a two-year limitation period from the date of the flight. This is shorter than the three years common in most of Western Europe, so prompt action is advisable.
The Swiss enforcement body: FOCA
The Federal Office of Civil Aviation (FOCA / BAZL) is Switzerland's enforcement body for passenger rights. You can file a complaint through the FOCA website. The process is available in German, French, Italian, and English.
FOCA investigates complaints and contacts the airline. While it does not directly order compensation, its regulatory authority carries weight with airlines operating from Swiss airports.
Swiss courts
The Friedensrichteramt (justice of the peace) or Schlichtungsbehorde (mediation authority) is the mandatory first step for civil disputes in most Swiss cantons. This mediation attempt is low-cost and often resolves claims without going to court.
If mediation fails, the Bezirksgericht (district court) handles the formal claim. For amounts typical of EC261 claims, a simplified procedure applies with lower fees and no requirement for legal representation.
Basel-Mulhouse Airport
EuroAirport Basel-Mulhouse-Freiburg is a unique bi-national airport. The Swiss sector is treated as Swiss territory and the French sector as French territory. Your EC261 rights and the applicable time limit may depend on which sector your flight departed from.
Seasonal disruptions and weather verification
Swiss airports face Alpine-influenced weather patterns. Zurich and Geneva experience winter fog from November through February, and Alpine weather systems can bring sudden changes. Geneva is exposed to the Bise (cold northeasterly wind) and Fohn (warm southerly wind) patterns. Basel-Mulhouse sits in the Rhine Valley and is prone to fog. Severe thunderstorms can affect all Swiss airports in summer.
To verify weather claims, use MeteoSwiss, the national meteorological service, which publishes hazard warnings on a 1–5 danger scale and provides historical data. For the Basel-Mulhouse binational airport, both MeteoSwiss and Meteo-France data may be relevant depending on which sector your flight departed from.