Air Serbia Takes Additional 737 As It Exceeds Pre-Pandemic Traffic 3 minute read Air Serbia is on fire: the national airline and flag carrier of Serbia has exceeded its pre-pandemic passenger traffic figures and it is constantly increasing frequency and capacity across its network. To meet the rising demand, particularly for charters, the airline has leased a Boeing 737-700 aircraft from Smartwings. Air Serbia is doing very well at the moment. Photo: Air Serbia Air Serbia marks an excellent June Air Serbia carried 170,413 passengers last month. This means that June was the busiest month for the Serbian flag carrier since December 2019, before the pandemic broke out. The figure for June 2021 is also impressive because it represents an increase of 68% compared to May 2021.