Southwest Airlines
Is WN4539 delayed?
Service date: · Scheduled departure date (America/Los_Angeles)
Arrived
23 min early
Updated
Departure
San Diego
SAN
Actual
Scheduled 10:00
Aug 25
Arrival
Sacramento
SMF
Actual
Scheduled 18:40
Aug 25
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Actual
SANSMF
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 51 min late
SAN → SMF
- 11 min early
SAN → SMF
- 2 min early
SAN → SMF
- 11 min early
SAN → SMF
- 1 min early
DAL → VPS
Flight history and details
Aug 19, 2026 — Sep 18, 2026
- Observed arrivals
- 10
- Arrivals over 15 minutes late
- 1
- Observed cancellations
- 0
- Observed occurrences
- 11
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 16, 2026Arrived | San Diego | Sacramento | 51 | |
| Sep 15, 2026Arrived | San Diego | Sacramento | -11 | |
| Sep 9, 2026Arrived | San Diego | Sacramento | -2 | |
| Sep 8, 2026Arrived | San Diego | Sacramento | -11 | |
| Sep 5, 2026Arrived | Dallas | Valparaiso | -1 | |
| Sep 5, 2026Arrived | Albuquerque | Dallas | 3 | |
| Sep 1, 2026Arrived | San Diego | Sacramento | 7 | |
| Aug 26, 2026Arrived | San Diego | Sacramento | 2 | |
| Aug 25, 2026Arrived | San Diego | Sacramento | -23 | |
| Aug 19, 2026Arrived | San Diego | Sacramento | -20 |