OU440Croatia Airlines · ZAG → VIE
live · 35m ago
Route confirmed Croatia Airlines

OU440 ZagrebZAG · 08:10 ViennaVIE · 09:10

OU440 by Croatia Airlines flies from Zagreb (ZAG) to Vienna (VIE) for the Tue, Nov 3 departure.

Right nowEn route to Vienna · off blocks 08:31 · 21 min late
09:10

estimated arrival at VIE · local time · ~8h 57m from now

En routeOU440 · position estimated
ZAGZagrebVIEVienna
Estimated from the boardsarr 09:10

Board estimate · gate and arrival times. Off blocks 08:31.

Where the minutes go

last 3 operations · gate push → arrival
0+30+60+90 min
11-04
+21 gate
11-03
+21 gate · +8 arrival
11-02
+17 gate · +1 arrival

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The route today

live boards
ZAGZagrebOn-time likelyZAG delay board →
VIEViennaOn-time likelyVIE delay board →
ZAG→VIEevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
36%Chance of 15+ min delay
0.8%Chance of cancellation
+6 minTypical airport delay in this weather

Conditions at ZAG and VIE are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. These figures come from both airports' records 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 departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Zagreb to Vienna flights today

same route · Croatia Airlines
OU442departs 17:50

If OU440 is cancelled, this is the other Croatia Airlines nonstop flight from Zagreb to Vienna on the same day, with scheduled departure times in ZAG local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →

How OU440 actually runs

Pro Flight Search has tracked every published board update for OU440 across the ZAG and VIE boards: schedule changes, gate pushes and actual clocks. Early read: no clear pattern yet. Only 2 completed legs so far: left noticeably late (~21 min) but landed right on schedule. Not enough to call it.

The verdict above is that record speaking, so it reflects how OU440 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocks

Board log

scheduled → actual, per operation
11-04ZAG 08:10 08:31 (+21)VIE 09:10
11-03ZAG 08:10 08:31 (+21)VIE 09:10 09:18 (+8)
11-02ZAG 08:15 08:32 (+17)VIE 09:10 09:11 (+1)

Board clocks recorded as ZAG and VIE published them.

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: OU440 Zagreb to Vienna on-time performance, measured from the ZAG and VIE airport boards.

Canonical URL
https://proflightsearch.com/flight/OU440
How we measure this →