Heathrow → Belgrade flight delays
HEATHROW → BELGRADE · all airlines · 850 flights · May 2025 – April 2026 · source: UK CAA
This route is delayed
29%of the time, by +55 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
71%
Delayed 3h+
0.9%
Cancelled
0%
Avg when late
+55m
Were you delayed 3+ hours on this route?
About 0.9% 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 → BELGRADE run late?
32
11
13
8
20
38
42
30
55
33
30
24
J
F
M
A
M
J
J
A
S
O
N
D
Delays peak in September (55% late).
Frequently asked
How often is the Heathrow to Belgrade flight delayed?
About 29% of HEATHROW → BELGRADE flights arrive late (15+ minutes), by an average of 55 minutes when they do, based on 850 flights in May 2025 – April 2026.
What is the worst month for delays on HEATHROW → BELGRADE?
September is the worst, with 55% of flights delayed, while April is the most reliable at 8%.
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