Southwest Airlines
Is WN4285 delayed?
Service date: · Actual departure date; scheduled departure unavailable (America/Phoenix)
Arrived
155 min late
Official source · Updated
Departure
Phoenix
PHX
Actual
Sep 15
Arrival
San Francisco
SFO
Actual
Scheduled 23:10
Sep 15
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Not available
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Actual
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 155 min late
PHX → SFO
- 66 min late
PHX → SFO
- 26 min late
PHX → SFO
- 37 min late
PHX → SFO
- 3 min early
PHX → SFO
Flight history and details
Aug 17, 2026 — Sep 16, 2026
- Observed arrivals
- 13
- Arrivals over 15 minutes late
- 7
- Observed cancellations
- 0
- Observed occurrences
- 17
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 | Phoenix | San Francisco | 155 | |
| Sep 11, 2026Arrived | Phoenix | San Francisco | 66 | |
| Sep 10, 2026Arrived | Phoenix | San Francisco | 26 | |
| Sep 7, 2026Arrived | Phoenix | San Francisco | 37 | |
| Sep 5, 2026Arrived | Phoenix | San Francisco | -3 | |
| Sep 4, 2026Arrived | Phoenix | San Francisco | 37 | |
| Sep 3, 2026Arrived | Phoenix | San Francisco | 34 | |
| Aug 31, 2026Arrived | Phoenix | San Francisco | 14 | |
| Aug 29, 2026Arrived | Phoenix | San Francisco | -20 | |
| Aug 28, 2026Arrived | Phoenix | San Francisco | 43 | |
| Aug 27, 2026Arrived | Phoenix | San Francisco | -8 | |
| Aug 24, 2026Arrived | Phoenix | San Francisco | -4 | |
| Aug 21, 2026Arrived | Phoenix | San Francisco | -8 |