Heathrow → Ireland West(Knock) flight delays
HEATHROW → IRELAND-WESTKNOCK · all airlines · 712 flights · May 2025 – April 2026 · source: UK CAA
This route is delayed
20%of the time, by +39 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
80%
Delayed 3h+
0.1%
Cancelled
1%
Avg when late
+39m
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 → IRELAND-WESTKNOCK run late?
24
5
19
3
8
22
16
13
50
21
23
32
J
F
M
A
M
J
J
A
S
O
N
D
Delays peak in September (50% late).
Frequently asked
How often is the Heathrow to Ireland West(Knock) flight delayed?
About 20% of HEATHROW → IRELAND-WESTKNOCK flights arrive late (15+ minutes), by an average of 39 minutes when they do, based on 712 flights in May 2025 – April 2026.
What is the worst month for delays on HEATHROW → IRELAND-WESTKNOCK?
September is the worst, with 50% of flights delayed, while April is the most reliable at 3%.
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