Turkish carrier Atlas Global at the launch of winter 2018/19 season expanded code-share partnership with Air Serbia, covering additional 4 routes via Belgrade. Planned code-share routes from 28/OCT/18 includes the following.
Atlas Global operated by Air Serbia
Belgrade – Prague
Belgrade – Sarajevo (daily flights)
Belgrade – Tivat
Belgrade – Vienna
Atlas Global used to operate its own four weekly flights from Istanbul Ataturk Airport to Sarajevo from June to December of 2017, but due to very strong competition from Turkish Airlines flights were discontinued after just one season.
Source: Routes Online