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Is WS1 usually on time? London to Calgary
Westjet flight 1, LHR to YYC.
Window: last 90 days, about 90 flights observed. Last refreshed: 2026-10-07.
On time
~80%
within 15 min
Typical arrival
on time
median, rounded
Worst 1 in 10
about 25 min
late or worse
Cancelled
about 1 in 20
over the window
What we have seen
- Over the last 90 days, about 80% of WS1 arrivals from London to Calgary landed within 15 minutes of schedule.
- The typical arrival was on time or early.
- One arrival in ten was about 25 minutes late or worse.
- Cancellations over the window: about 1 in 20, across about 90 flights observed.
- Usual aircraft: Boeing 787-9.
- Usual departure terminal at LHR: Terminal 4.
These describe the last 90 days. They are not a forecast for any one departure.
Related
Frequently asked
- Is WS1 usually on time?
- Over the last 90 days, about 80% of WS1 arrivals from London to Calgary landed within 15 minutes of schedule. The typical arrival was on time or early.
- How late does WS1 get?
- One arrival in ten was about 25 minutes late or worse.
- How often is WS1 cancelled?
- Cancellations over the window: about 1 in 20, across about 90 flights observed.
- What aircraft flies WS1?
- WS1 has most often been operated by a Boeing 787-9 over the last 90 days.
- Which terminal does WS1 leave from at LHR?
- WS1 has most often departed from Terminal 4 at London (LHR). Check your airline on the day; terminals change.
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