Heathrow → Ljubljana flight delays
HEATHROW → LJUBLJANA · all airlines · 410 flights · June 2025 – May 2026 · source: UK CAA
This route is delayed
32%of the time, by +48 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
68%
Delayed 3h+
0%
Cancelled
0%
Avg when late
+48m
Were you delayed 3+ hours on this route?
About 0% of these flights land 3h+ late. If yours did, under UK261 you could be owed up to £520. Check if you're owed →
When does HEATHROW → LJUBLJANA run late?
8
33
31
41
32
45
13
J
F
M
A
M
J
J
A
S
O
N
D
Delays peak in September (45% late). This route mainly flies in season — empty months had too few flights to show.
Frequently asked
How often is the Heathrow to Ljubljana flight delayed?
About 32% of HEATHROW → LJUBLJANA flights arrive late (15+ minutes), by an average of 48 minutes when they do, based on 410 flights in June 2025 – May 2026.
What is the worst month for delays on HEATHROW → LJUBLJANA?
September is the worst, with 45% of flights delayed, while April is the most reliable at 8%.
Airport overviews