How reliable is Sumburgh Airport?
Flights from LSI avoided significant airline-controlled delay in 67% of 10,249 flights in official UK CAA history. Here’s the full picture before you book.
Reliability score
on-time, cancellations & delays
Origin-airport operations
What the airline-controlled delay record at LSI looks like
Avoided 15+ min controlled delay
across 10,249 flights
Source: UK CAA. Origin-grouped, cause-attributed operational history; it is not a direct departure-punctuality measure or a guarantee for any flight.
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Weather by month
Weather history isn’t available for LSI yet
PlaneSane shows month-by-month airport weather once enough historical METAR/IEM observations are loaded for the airport. This does not mean the airport has no weather data forever; it means the current climatology table has no monthly coverage for Sumburgh Airport.
The read on LSI
What the numbers say about flying through Sumburgh Airport
Across official performance history, flights from Sumburgh avoided significant airline-controlled delay about 67% of the time over 10,249 flights. That's a shaky record worth planning around. Pair it with an elevated cancellation rate of 5.3% — worth weighing alongside the on-time figure. When a departure does run late, the typical delay is around 19 minutes.
None of this guarantees your specific flight — it’s the backdrop. To turn it into a booking, score real flights to Sumburgh, read how we weigh it all in how the PlaneSane Score works, and brush up with how to pick a reliable flight and avoiding weather delays.
Common questions about LSI
- How reliable is Sumburgh Airport (LSI)?
- Flights from Sumburgh avoided significant airline-controlled delay roughly 67% of the time across 10,249 flights of official history — a shaky record worth planning around. The cancellation rate runs about 5.3%. It's advisory context, not a guarantee for any single flight.
Planning a trip through Sumburgh?
Score real flights to and from LSI on reliability, weather, and connection safety — not just price.