Airline · WS · CanadaHow reliable is WestJet?
WestJet runs 57% on time across 7,314 flights of official history. Here’s how it really performs — including when it’s late and on which routes.
Reliability score
on-time, cancellations & delays
Network reliability
WestJet’s on-time record across its whole network
Source: UK CAA · data through 2025-12-31. All-cause performance (this source has no delay-cause split). Advisory context, not a guarantee for any one flight.
When flights run late
It’s not just if WestJet is late — it’s how late
Of every 100 WestJet flights, how they actually land — on time, or in each lateness band. A short delay is a nuisance; a 2-hour delay misses connections.
Routes
Where WestJet shines — and where it struggles
Its most and least reliable routes by on-time rate (routes with a meaningful sample). Tap an airport for its full profile.
The read on WestJet
What the record actually tells you about flying WestJet
WestJet runs about 57% on time across 7,314 flights of official all-cause history — a weak on-time record — favor its better routes and early departures. On cancellations, cancellations run a moderate 1.8%.
It's not just whether a flight is late, but how late. When WestJet runs behind, the typical delay lands around 24 minutes, and only a small slice — about 2.9% — slip two hours or more, so the worst-case tail is relatively contained.
Reliability isn't uniform across WestJet's map. Its strongest route in the data is YVR–YEG, running around 90% on time, while LHR–YYC is among its weakest at about 58%. That gap is the whole point: judge WestJet on the route you're actually flying, not on its overall average.
A track record is the backdrop, not a verdict on your flight. To put it to work, score your actual WestJet flight on reliability, weather, and connection safety, see how the Peace of Mind Score works, and read are some airlines really more reliable and how to read on-time stats.
Common questions about WestJet
- How often is WestJet on time?
- WestJet (WS) ran about 57% on time across 7,314 flights of official history — a weak on-time record — favor its better routes and early departures. Its cancellation rate is roughly 1.8%.
- Is WestJet a reliable airline?
- On the numbers, WestJet has a weak on-time record — favor its better routes and early departures. Typical delays run around 24 minutes when flights are late. Reliability varies by route and time of day, so check your specific flight rather than the brand average. It's advisory context, not a guarantee for any one flight.
- Which routes does WestJet fly most reliably?
- In our data, YVR–YEG is among WestJet's most reliable routes at about 90% on time, while LHR–YYC is among its weakest near 58%. The same airline can perform very differently route to route.
Reliability guides
Flying WestJet?
Score your actual flight on reliability, weather, and connection safety before you book — WestJet’s track record is just the start.