swiss initially flew six sectors a day and by july 2017 up to nine a day with an average time of 1 hours 15 minutes. air baltic's flight length averages 3 h, and the average fleet daily utilisation is 14 h. in september 2017, over 1.5 million passengers had 16,000 revenue flights in the 18 aircraft in service, making up to 100 revenue flights per day on 100 routes: most used are up to 17 hours per day and up to 10 legs per day. quick 35–minute turnarounds even allowed 11 legs per day. by june 2018, air baltic reached a maximum utilisation of 18.5 hours a day.