Is WN4490 delayed?
Service date: · Scheduled departure date (America/Los_Angeles)
Arrived
30 min late
Official source · Updated
Departure
San Diego
SAN
Actual
Scheduled 13:53
Sep 20
Arrival
San Francisco
SFO
Actual
Scheduled 14:59
Sep 20
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.
- 30 min late
SAN → SFO
- 13 min late
STL → DTW
- 8 min late
DEN → SMF
- 10 min early
DEN → SMF
- 42 min late
SAN → SFO
Flight history and details
Aug 22, 2026 — Sep 21, 2026
- Observed arrivals
- 13
- Arrivals over 15 minutes late
- 6
- Observed cancellations
- 1
- Observed occurrences
- 15
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 20, 2026Arrived | San Diego | San Francisco | 30 | |
| Sep 19, 2026Arrived | St Louis | Detroit | 13 | |
| Sep 16, 2026Arrived | Denver | Sacramento | 8 | |
| Sep 15, 2026Arrived | Denver | Sacramento | -10 | |
| Sep 13, 2026Arrived | San Diego | San Francisco | 42 | |
| Sep 9, 2026Arrived | Denver | Sacramento | 20 | |
| Sep 8, 2026Arrived | Denver | Sacramento | 21 | |
| Sep 5, 2026Arrived | St Louis | Detroit | 2 | |
| Sep 1, 2026Arrived | Denver | Sacramento | 0 | |
| Aug 31, 2026Cancelled | Atlanta | Not available | Not available | |
| Aug 30, 2026Arrived | San Diego | San Francisco | 28 | |
| Aug 26, 2026Arrived | Denver | Sacramento | -14 | |
| Aug 25, 2026Arrived | Denver | Sacramento | -9 | |
| Aug 23, 2026Arrived | San Diego | San Francisco | 59 |