BEG → VIE
Belgrade Nikola Tesla Airport to Vienna International Airport. 8,738 recorded sectors across 19 flight numbers.
Held from December 2020 to August 2026. Most sectors were flown by the AT7 (4,030). The busiest year held is 2025, with 1,831 sectors. The most-recorded number on this sector is OS738, with 1,367 of the 8,738 sectors held.
This is the BEG–VIE direction only. The return service is VIE–BEG.
Flight numbers
| Flight | Airline | Sectors | Held |
|---|---|---|---|
| OS738 | Austrian Airlines | 1,367 | Dec 2020 – Oct 2025 |
| OS740 | Austrian Airlines | 1,360 | Mar 2021 – Oct 2025 |
| OS736 | Austrian Airlines | 1,244 | Mar 2022 – Oct 2025 |
| JU600 | Air Serbia | 909 | Dec 2020 – Mar 2024 |
| JU604 | Air Serbia | 855 | Dec 2020 – Mar 2024 |
| JU314 | Air Serbia | 836 | Mar 2024 – Aug 2026 |
| JU310 | Air Serbia | 829 | Apr 2024 – Aug 2026 |
| OS774 | Austrian Airlines | 317 | Dec 2020 – Mar 2022 |
| OS722 | Austrian Airlines | 263 | Oct 2025 – Aug 2026 |
| OS726 | Austrian Airlines | 207 | Oct 2025 – Aug 2026 |
| JU312 | Air Serbia | 195 | Oct 2024 – Aug 2026 |
| JU602 | Air Serbia | 176 | Mar 2023 – Mar 2024 |
| OS724 | Austrian Airlines | 174 | Oct 2025 – Jul 2026 |
| EC4658 | Avialeasing Aviation Company | 1 | Nov 2025 – Nov 2025 |
| KL1984 | KLM Royal Dutch Airlines | 1 | Jul 2026 – Jul 2026 |
| LH1411 | Lufthansa | 1 | Jan 2026 – Jan 2026 |
| OS727 | Austrian Airlines | 1 | Feb 2022 – Feb 2022 |
| OS757 | Austrian Airlines | 1 | Jul 2021 – Jul 2021 |
| OS759 | Austrian Airlines | 1 | Jul 2023 – Jul 2023 |