Southwest Airlines
Is SWA3901 delayed?
Service date: · Scheduled departure date (UTC)
Arrived
21 min late
Official source · Updated
Departure
Santa Rosa
STS
Actual
Scheduled 00:11
Sep 15
Arrival
San Diego
SAN
Actual
Scheduled 18:31
Sep 14
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
STSSAN
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 21 min late
STS → SAN
- 9 min early
STS → SAN
- 8 min early
STS → SAN
- 6 min late
STS → SAN
- 135 min late
STS → SAN
Flight history and details
Aug 17, 2026 — Sep 16, 2026
- Observed arrivals
- 5
- Arrivals over 15 minutes late
- 2
- Observed cancellations
- 0
- Observed occurrences
- 5
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 15, 2026Arrived | Santa Rosa | San Diego | 21 | |
| Sep 14, 2026Arrived | Santa Rosa | San Diego | -9 | |
| Sep 11, 2026Arrived | Santa Rosa | San Diego | -8 | |
| Sep 7, 2026Arrived | Santa Rosa | San Diego | 6 | |
| Sep 4, 2026Arrived | Santa Rosa | San Diego | 135 |