Heathrow → Belfast City (George Best) flight delays
HEATHROW → BELFAST-CITY-GEORGE-BEST · all airlines · 4,570 flights · May 2025 – April 2026 · source: UK CAA
This route is delayed
16%of the time, by +43 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
84%
Delayed 3h+
0.1%
Cancelled
0.9%
Avg when late
+43m
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 → BELFAST-CITY-GEORGE-BEST run late?
16
6
11
10
10
16
27
20
32
22
9
15
J
F
M
A
M
J
J
A
S
O
N
D
Delays peak in September (32% late).
Frequently asked
How often is the Heathrow to Belfast City (George Best) flight delayed?
About 16% of HEATHROW → BELFAST-CITY-GEORGE-BEST flights arrive late (15+ minutes), by an average of 43 minutes when they do, based on 4,570 flights in May 2025 – April 2026.
What is the worst month for delays on HEATHROW → BELFAST-CITY-GEORGE-BEST?
September is the worst, with 32% of flights delayed, while February is the most reliable at 6%.