OU4457 BrusselsBRU · 20:30 ZagrebZAG · 22:10
OU4457 by Croatia Airlines flies from Brussels (BRU) to Zagreb (ZAG) for the Tue, Sep 15 departure.
departs BRU · on schedule
board checked 28m ago · checking again in 45s
Where the minutes go
last 4 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at BRU and ZAG are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, under conditions like today's, over the last 90 days.
Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Brussels to Zagreb flights today
same route · Croatia AirlinesIf OU4457 is cancelled, this is the other Croatia Airlines nonstop flight from Brussels to Zagreb on the same day, with scheduled departure times in BRU local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How OU4457 actually runs
Pro Flight Search has tracked every published board update for OU4457 across the BRU and ZAG boards: schedule changes, gate pushes and actual clocks. Usually lands ~27 min late. Based on 4 confirmed landings · 1/4 within 15 min of schedule. Pushes back late but makes up time in the air.
The verdict above is that record speaking, so it reflects how OU4457 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationBoard clocks recorded as BRU and ZAG published them.
Planning around OU4457? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search — OU4457 Brussels to Zagreb on-time performance, measured from the BRU and ZAG airport boards.
https://proflightsearch.com/flight/OU4457
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