Southwest Airlines
Is WN3877 delayed?
Service date: · Scheduled departure date (America/Phoenix)
Arrived
21 min early
Updated
Departure
Phoenix
PHX
Actual
Scheduled 13:45
Aug 19
Arrival
Sacramento
SMF
Actual
Scheduled 22:40
Aug 19
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Actual
PHXSMF
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 12 min early
STL → PHX
- 67 min late
PHX → SMF
- 54 min late
STL → PHX
- 1 min late
MDW → STL
- 24 min late
PHX → SMF
Flight history and details
Aug 19, 2026 — Sep 18, 2026
- Observed arrivals
- 25
- Arrivals over 15 minutes late
- 5
- Observed cancellations
- 0
- Observed occurrences
- 27
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 | St Louis | Phoenix | -12 | |
| Sep 16, 2026Arrived | Phoenix | Sacramento | 67 | |
| Sep 16, 2026Arrived | St Louis | Phoenix | 54 | |
| Sep 16, 2026Arrived | Chicago | St Louis | 1 | |
| Sep 15, 2026Arrived | Phoenix | Sacramento | 24 | |
| Sep 15, 2026Arrived | St Louis | Phoenix | 47 | |
| Sep 15, 2026Arrived | Chicago | St Louis | -26 | |
| Sep 14, 2026Arrived | St Louis | Phoenix | -2 | |
| Sep 12, 2026Arrived | St Louis | Phoenix | -13 | |
| Sep 11, 2026Arrived | St Louis | Phoenix | -22 | |
| Sep 10, 2026Arrived | St Louis | Phoenix | -15 | |
| Sep 9, 2026Arrived | Phoenix | Sacramento | -13 | |
| Sep 9, 2026Arrived | St Louis | Phoenix | -25 | |
| Sep 8, 2026Arrived | Phoenix | Sacramento | -4 | |
| Sep 8, 2026Arrived | Chicago | Phoenix | -11 | |
| Sep 8, 2026Arrived | Chicago | St Louis | 0 | |
| Sep 7, 2026Arrived | St Louis | Phoenix | -20 | |
| Sep 6, 2026Arrived | Las Vegas | Columbus | -15 | |
| Sep 5, 2026Arrived | St Louis | Phoenix | -22 | |
| Sep 4, 2026Arrived | St Louis | Phoenix | -13 | |
| Sep 1, 2026Arrived | Phoenix | Sacramento | -4 | |
| Aug 30, 2026Arrived | Las Vegas | Columbus | 28 | |
| Aug 26, 2026Arrived | Phoenix | Sacramento | 0 | |
| Aug 25, 2026Arrived | Phoenix | Sacramento | -18 | |
| Aug 19, 2026Arrived | Phoenix | Sacramento | -21 |