Heathrow → Pittsburgh flight delays
HEATHROW → PITTSBURGH · all airlines · 591 flights · May 2025 – April 2026 · source: UK CAA
This route is delayed
33%of the time, by +53 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
67%
Delayed 3h+
0.7%
Cancelled
0.5%
Avg when late
+53m
Were you delayed 3+ hours on this route?
About 0.7% 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 → PITTSBURGH run late?
26
23
12
17
44
39
42
40
35
34
20
49
J
F
M
A
M
J
J
A
S
O
N
D
Delays peak in December (49% late).
Frequently asked
How often is the Heathrow to Pittsburgh flight delayed?
About 33% of HEATHROW → PITTSBURGH flights arrive late (15+ minutes), by an average of 53 minutes when they do, based on 591 flights in May 2025 – April 2026.
What is the worst month for delays on HEATHROW → PITTSBURGH?
December is the worst, with 49% of flights delayed, while March is the most reliable at 12%.
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