OU4456 ZagrebZAG · 18:00 BrusselsBRU · 19:50
OU4456 by Croatia Airlines flies from Zagreb (ZAG) to Brussels (BRU) for the Thu, Sep 24 departure.
departs ZAG · on schedule
board checked 7m 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 ZAG and BRU 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 Zagreb to Brussels flights today
same route · Croatia AirlinesIf OU4456 is cancelled, this is the other Croatia Airlines nonstop flight from Zagreb to Brussels on the same day, with scheduled departure times in ZAG local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How OU4456 actually runs
Pro Flight Search has tracked every published board update for OU4456 across the ZAG and BRU boards: schedule changes, gate pushes and actual clocks. Usually lands ~16 min late. Based on 4 confirmed landings · 2/4 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how OU4456 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 ZAG and BRU published them.
Planning around OU4456? 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 — OU4456 Zagreb to Brussels on-time performance, measured from the ZAG and BRU airport boards.
https://proflightsearch.com/flight/OU4456
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