Heathrow → Sofia flight delays
HEATHROW → SOFIA · all airlines · 836 flights · June 2025 – May 2026 · source: UK CAA
This route is delayed
21%of the time, by +45 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
79%
Delayed 3h+
0.1%
Cancelled
0.2%
Avg when late
+45m
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. Check if you're owed →
When does HEATHROW → SOFIA run late?
20
20
9
17
4
38
34
24
49
22
6
9
J
F
M
A
M
J
J
A
S
O
N
D
Delays peak in September (49% late).
Which airline is most punctual on HEATHROW → SOFIA?
Bulgaria Airdelayed 21%
British Airways Plcdelayed 22%
Frequently asked
How often is the Heathrow to Sofia flight delayed?
About 21% of HEATHROW → SOFIA flights arrive late (15+ minutes), by an average of 45 minutes when they do, based on 836 flights in June 2025 – May 2026.
Which airline is most punctual on HEATHROW → SOFIA?
Bulgaria Air, delayed 21% of the time — the best of the 2 airlines flying this route.
What is the worst month for delays on HEATHROW → SOFIA?
September is the worst, with 49% of flights delayed, while May is the most reliable at 4%.
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