Belfast International → Southampton flight delays
BELFAST-INTERNATIONAL → SOUTHAMPTON · all airlines · 266 flights · May 2025 – April 2026 · source: UK CAA
This route is delayed
9%of the time, by +74 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
91%
Delayed 3h+
1.5%
Cancelled
0.4%
Avg when late
+74m
Were you delayed 3+ hours on this route?
About 1.5% 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-INTERNATIONAL → SOUTHAMPTON run late?
3
2
7
11
18
3
J
F
M
A
M
J
J
A
S
O
N
D
Delays peak in September (18% late). This route mainly flies in season — empty months had too few flights to show.
Frequently asked
How often is the Belfast International to Southampton flight delayed?
About 9% of BELFAST-INTERNATIONAL → SOUTHAMPTON flights arrive late (15+ minutes), by an average of 74 minutes when they do, based on 266 flights in May 2025 – April 2026.
What is the worst month for delays on BELFAST-INTERNATIONAL → SOUTHAMPTON?
September is the worst, with 18% of flights delayed, while June is the most reliable at 2%.