Airline · Flight reports

Synergy Aviation

Synergy Aviation is the former name associated with the UK carrier Ascend Airways, listed with IATA code YD and callsign SYNERGY. Public airline-profile information describes it as a British ACMI and charter airline, with bases at London Gatwick and London Southend rather than a conventional passenger hub. I found no official source to cite for membership in oneworld, Star Alliance or SkyTeam, and no official frequent-flyer programme for the carrier. For travelers, the practical point is that YD/Ascend-operated flights may appear as partner or wet-lease operations, so check-in, seating, baggage, disruption handling and any mileage credit are normally governed by the airline or tour operator that sold the trip, not by a standalone Synergy Aviation loyalty proposition.