OU491 LondonLHR · 20:05 ZagrebZAG · 23:20
OU491 by Croatia Airlines flies from London (LHR) to Zagreb (ZAG) for the Mon, Sep 14 departure.
departs LHR · on schedule
board checked 15m ago · checking again in 45s
Where the minutes go
last 6 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The last 30 days
arrival outcome per operationmedian arrival +30 min · 0 cancelled · 6 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at LHR 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.
How OU491 actually runs
Pro Flight Search has tracked every published board update for OU491 across the LHR and ZAG boards: schedule changes, gate pushes and actual clocks. Usually lands ~30 min late. Based on 4 confirmed landings · 2/4 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 OU491 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 LHR and ZAG published them.
Planning around OU491? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — OU491 London to Zagreb on-time performance, measured from the LHR and ZAG airport boards.
https://proflightsearch.com/flight/OU491
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