Question: Lugano Airport is a regional airport located 4 km west of the Swiss city of Lugano and headquarters of a Swiss regional airline that has been operating scheduled domestic and international services throughout some what?
Sentence (from "Darwin Airline"): It has been operating scheduled domestic and international services throughout some western European countries using the brand name Etihad Regional from January 2014 until July 2017 when it was sold from Etihad Airways to Adria Airways as well as formerly also on behalf of Alitalia.
Relevant evidence: Yes