Austrian AirlinesOS
Flights OS603 09:30 daily
live
Direct flights from Vienna (VIE) to Zagreb (ZAG): 21 nonstop departures observed each week across 2 airlines. 100% of the last 11 tracked flights arrived within 15 minutes of schedule. The median arrival is on schedule. No cancellations were recorded across the 12 tracked flights. The nonstop covers 266 km, an estimated 50 minutes in the air. Measured by Pro Flight Search from live flight boards at Vienna and Zagreb. Updated 5 November 2026 at 12:38 UTC.
Today, VIE → ZAG
Thu 5 Nov · local times- 09:30 OS603Austrian Left 09:55 +25 Landed 10:33 +13
- 10:05 OU441Croatia Airlines Left 10:17 +12 Landed 11:04 +4
- 19:40 OU443Croatia Airlines On schedule ZAG 20:35scheduled
Checked VIE board 13:22 · ZAG board 13:38
VIE
Vienna
busy · +21
ZAG
Zagreb
smooth · +11
266 km · ~0h 50m est.
Runs reliable · 2 airlines · 21x weekly · nonstop
100% on time
of the last 11 tracked VIE → ZAG flights arrived within 15 minutes
Median arrival delay is +1 min. 0 of 12 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival+1 minacross the last 11 arrivals
Flight time~0h 50mestimated from route distance
Weekly departures21x2 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 12
The week
scheduled departures · origin local time06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Austrian AirlinesCroatia Airlines
Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.
Who flies it
observed on the boards · 7 daysHistory
operated legs · board outcomesActual board outcomes rather than schedules, paired departure and arrival per flight and day.
Full board history, day by day →
Airports right now
live boardsWeather lens
Conditions are tightest at VIE and ZAG: a 36% chance of a 15+ minute delay. In this weather, the more delayed of the two airports is typically about +7 min. Both figures come from the two airports' delay records in similar weather. See live delays → · Weather risk by airport →
next sweep in 120s
How the Vienna to Zagreb route actually runs
Pro Flight Search records official board updates for nonstop VIE to ZAG flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.
Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Cite this data
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Suggested citation
Pro Flight Search: Vienna (VIE) to Zagreb (ZAG) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/VIE-ZAG
VIE to ZAG questions
Is VIE–ZAG running on time right now?
Mostly on schedule. The departure side at VIE is the weaker end, route health score 78/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on VIE–ZAG?
Operators schedule morning departures around 09:30 and evening departures around 19:40 from VIE. Earlier flights typically land before destination-airport delays accumulate later in the day; check the ZAG delay card to confirm conditions when you'd arrive.
How long is the flight from VIE to ZAG?
Great-circle distance is 266 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 49–53 min gate-to-gate on this route.
How often does VIE–ZAG fly?
2 carriers operate this route, around 21 flights a week between them. Compare carrier days and times in the airline list above.
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