Heathrow → Vienna flight delays
HEATHROW → VIENNA · all airlines · 5,885 flights · May 2025 – April 2026 · source: UK CAA
This route is delayed
19%of the time, by +42 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
81%
Delayed 3h+
0.1%
Cancelled
0.5%
Avg when late
+42m
Were you delayed 3+ hours on this route?
About 0.1% of these flights land 3h+ late. If yours did, under UK261 you could be owed up to £520 — and you can claim it yourself for free. Check if you're owed →
When does HEATHROW → VIENNA run late?
27
20
11
12
13
17
28
14
27
21
18
24
J
F
M
A
M
J
J
A
S
O
N
D
Delays peak in July (28% late).
Which airline is most punctual on HEATHROW → VIENNA?
British Airways Plcdelayed 16%
Austrian Airlinesdelayed 22%
Frequently asked
How often is the Heathrow to Vienna flight delayed?
About 19% of HEATHROW → VIENNA flights arrive late (15+ minutes), by an average of 42 minutes when they do, based on 5,885 flights in May 2025 – April 2026.
Which airline is most punctual on HEATHROW → VIENNA?
British Airways Plc, delayed 16% of the time — the best of the 2 airlines flying this route.
What is the worst month for delays on HEATHROW → VIENNA?
July is the worst, with 28% of flights delayed, while March is the most reliable at 11%.
Airport overviews