Delayly.HONEST DELAY ODDS

Belfast City (George Best)Heathrow flight delays

BELFAST-CITY-GEORGE-BESTHEATHROW · all airlines · 4,567 flights · May 2025 – April 2026 · source: UK CAA

This route is delayed
15%of the time, by +46 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
85%
Delayed 3h+
0.1%
Cancelled
0.9%
Avg when late
+46m
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 BELFAST-CITY-GEORGE-BESTHEATHROW run late?
14
7
10
8
8
17
29
20
30
22
8
13
J
F
M
A
M
J
J
A
S
O
N
D
Delays peak in September (30% late).
Frequently asked
How often is the Belfast City (George Best) to Heathrow flight delayed?
About 15% of BELFAST-CITY-GEORGE-BEST → HEATHROW flights arrive late (15+ minutes), by an average of 46 minutes when they do, based on 4,567 flights in May 2025 – April 2026.
What is the worst month for delays on BELFAST-CITY-GEORGE-BEST → HEATHROW?
September is the worst, with 30% of flights delayed, while February is the most reliable at 7%.
Airport overviews
All flights from Belfast City (George Best)All flights from Heathrow
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