Heathrow → Zagreb flight delays
HEATHROW → ZAGREB · all airlines · 691 flights · May 2025 – April 2026 · source: UK CAA
This route is delayed
40%of the time, by +47 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
60%
Delayed 3h+
0.7%
Cancelled
0.1%
Avg when late
+47m
Were you delayed 3+ hours on this route?
About 0.7% 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 → ZAGREB run late?
47
50
25
13
36
45
47
35
54
45
J
F
M
A
M
J
J
A
S
O
N
D
Delays peak in September (54% late). This route mainly flies in season — empty months had too few flights to show.
Which airline is most punctual on HEATHROW → ZAGREB?
British Airways Plcdelayed 22%
Croatia Airlinesdelayed 59%
Frequently asked
How often is the Heathrow to Zagreb flight delayed?
About 40% of HEATHROW → ZAGREB flights arrive late (15+ minutes), by an average of 47 minutes when they do, based on 691 flights in May 2025 – April 2026.
Which airline is most punctual on HEATHROW → ZAGREB?
British Airways Plc, delayed 22% of the time — the best of the 2 airlines flying this route.
What is the worst month for delays on HEATHROW → ZAGREB?
September is the worst, with 54% of flights delayed, while April is the most reliable at 13%.
Airport overviews