Heathrow → Palermo flight delays
HEATHROW → PALERMO · all airlines · 398 flights · May 2025 – April 2026 · source: UK CAA
This route is delayed
20%of the time, by +44 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+
0.3%
Cancelled
0%
Avg when late
+44m
Were you delayed 3+ hours on this route?
About 0.3% 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 → PALERMO run late?
10
28
17
25
26
33
11
J
F
M
A
M
J
J
A
S
O
N
D
Delays peak in September (33% late). This route mainly flies in season — empty months had too few flights to show.
Frequently asked
How often is the Heathrow to Palermo flight delayed?
About 20% of HEATHROW → PALERMO flights arrive late (15+ minutes), by an average of 44 minutes when they do, based on 398 flights in May 2025 – April 2026.
What is the worst month for delays on HEATHROW → PALERMO?
September is the worst, with 33% of flights delayed, while April is the most reliable at 10%.
Airport overviews