How reliable is City of Derry Airport?
Flights from LDY avoided significant airline-controlled delay in 78% of 8,246 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 LDY looks like
Avoided 15+ min controlled delay
across 8,246 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 LDY 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 City of Derry Airport.
The read on LDY
What the numbers say about flying through City of Derry Airport
Across official performance history, flights from Londonderry avoided significant airline-controlled delay about 78% of the time over 8,246 flights. That's a respectable but unspectacular operational record. Pair it with a moderate cancellation rate of 1.2%. When a departure does run late, the typical delay is around 14 minutes.
None of this guarantees your specific flight — it’s the backdrop. To turn it into a booking, score real flights to Londonderry, 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 LDY
- How reliable is City of Derry Airport (LDY)?
- Flights from Londonderry avoided significant airline-controlled delay roughly 78% of the time across 8,246 flights of official history — a respectable but unspectacular operational record. The cancellation rate runs about 1.2%. It's advisory context, not a guarantee for any single flight.
Planning a trip through Londonderry?
Score real flights to and from LDY on reliability, weather, and connection safety — not just price.