How reliable is Cardiff International Airport?
Flights from CWL avoided significant airline-controlled delay in 73% of 14,046 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 CWL looks like
Avoided 15+ min controlled delay
across 14,046 flights
Source: UK CAA. Origin-grouped, cause-attributed operational history; it is not a direct departure-punctuality measure or a guarantee for any flight.
Advertisement
Weather by month
Weather history isn’t available for CWL 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 Cardiff International Airport.
The read on CWL
What the numbers say about flying through Cardiff International Airport
Across official performance history, flights from Cardiff avoided significant airline-controlled delay about 73% of the time over 14,046 flights. That's a middling record — neither a strength nor a red flag on its own. Pair it with a moderate cancellation rate of 1.9%. When a departure does run late, the typical delay is around 16 minutes.
None of this guarantees your specific flight — it’s the backdrop. To turn it into a booking, score real flights to Cardiff, 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 CWL
- How reliable is Cardiff International Airport (CWL)?
- Flights from Cardiff avoided significant airline-controlled delay roughly 73% of the time across 14,046 flights of official history — a middling record — neither a strength nor a red flag on its own. The cancellation rate runs about 1.9%. It's advisory context, not a guarantee for any single flight.
Planning a trip through Cardiff?
Score real flights to and from CWL on reliability, weather, and connection safety — not just price.