Is WS1504 delayed?
Service date: · Actual departure date; scheduled departure unavailable (UTC)
Arrived
19 min early
Official source · Updated
Departure
Calgary
YYC
Actual
Sep 16
Arrival
San Francisco
SFO
Actual
Scheduled 21:55
Sep 15
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Not available
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Actual
YYCSFO
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 |