Is WS1504 delayed?
Each route and date is shown separately. Confirm that both airports match your booking.
Service date: · Scheduled arrival date; departure time unavailable (America/Los_Angeles)
On time
This update may be out of date. Check with your airline.
Update time unavailable
Departure
Calgary
YYC
Scheduled
Not available
Arrival
San Francisco
SFO
Estimated
Sep 17
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Not available
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Actual
- Not available
Service date: · Scheduled departure date (UTC)
68 min late
Official source · Updated
Departure
Calgary
YYC
Actual
Sep 17
Arrival
San Francisco
SFO
Actual
Sep 16
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Actual
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Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 68 min late
YYC → SFO
- 19 min early
YYC → SFO
- 6 min early
YYC → SFO
- 16 min early
YYC → SFO
- 37 min late
YYC → SFO
Flight history and details
Aug 18, 2026 — Sep 17, 2026
- Observed arrivals
- 14
- Arrivals over 15 minutes late
- 6
- Observed cancellations
- 0
- Observed occurrences
- 14
Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 17, 2026Arrived | Calgary | San Francisco | 68 | |
| Sep 16, 2026Arrived | Calgary | San Francisco | -19 | |
| Sep 15, 2026Arrived | Calgary | San Francisco | -6 | |
| Sep 14, 2026Arrived | Calgary | San Francisco | -16 | |
| Sep 13, 2026Arrived | Calgary | San Francisco | 37 | |
| Sep 12, 2026Arrived | Calgary | San Francisco | -7 | |
| Sep 11, 2026Arrived | Calgary | San Francisco | -6 | |
| Sep 10, 2026Arrived | Calgary | San Francisco | -3 | |
| Sep 9, 2026Arrived | Calgary | San Francisco | -22 | |
| Sep 8, 2026Arrived | Calgary | San Francisco | 40 | |
| Sep 7, 2026Arrived | Calgary | San Francisco | 44 | |
| Sep 6, 2026Arrived | Calgary | San Francisco | 21 | |
| Sep 5, 2026Arrived | Calgary | San Francisco | 7 | |
| Sep 4, 2026Arrived | Calgary | San Francisco | 112 |