According to information, the reason of the delay is connected with lack of aircraft crew: ‘That is why Baku-Vienna flight #644, which had to be implemented today at 17.55, has been delayed, too. The passengers of this flight will be paid compensations at amount of 400 euros. At the same time, they will be offered flights from Baku to Vienna on other days of the week.
Note that Austrian Airlines realizes Baku-Vienna flights on Monday, Thursday, Friday and Saturdays at 17.55 by Airbus-319 aircraft.