ISTANBUL Rapidly growing its international flight network , AJet has added two major Spanish cities — Barcelona and Madrid — to its destinations. AJet is a wholly owned subsidiary of the national flag carrier Turkish Airlines. According to a company statement, direct flights from Ankara to Madrid will begin on Oct. 23, and to Barcelona on Oct. 24. Flights to Barcelona will operate four times a week — on Mondays, Wednesdays, Fridays and Saturdays — while flights to Madrid will run three times a