Airport Disruption Odds

Glasgow – Sumburgh: how often flights are 3+ hours late or cancelled

Of 723 scheduled flights between Glasgow and Sumburgh in 2025, 4.8% (95% range 3.5%–6.6%) were cancelled (30) or at least 3 hours late (about 5) — roughly 1 in 21. That is worse than 96% of 834 busy UK routes (median 1.1%). The route is 483 km, so when the airline is at fault UK261 compensation is £220 per passenger. This is an upper estimate: weather and air traffic control problems give no right to compensation. Source: UK CAA.

Data: CAA punctuality statistics, calendar year 2025 (published 25 February 2026) · calculated 3 November 2026 · Methodology and sources

4.8%3+ hours late or cancelled
1 in 21flights
£220UK261 per passenger if the airline is at fault

The route in 2025

Scheduled flights (both directions)723
Cancelled30
Operated but 3 hours or more lateabout 5
On time or within 15 minutes68% of operated flights
Average delay of operated flights16 minutes
Distance483 km (great circle, GLA–LSI)

By direction

DirectionScheduled flights3h+ late or cancelled95% range
From Glasgow3613.9%2.3%–6.4%
To Glasgow3625.8%3.8%–8.7%

Operated by Loganair (723 scheduled flights).

What you may be owed

DistanceDelay at arrivalUK261 compensation
483 km3 hours or more, or a cancellation less than 14 days ahead£220 per passenger

Caveats

CAA destination name: Sumburgh.