Southwest Airlines
Is WN4278 delayed?
Service date: · Scheduled departure date (America/Phoenix)
Arrived
20 min early
Updated
Departure
Phoenix
PHX
Actual
Scheduled 19:55
Aug 25
Arrival
Los Angeles
LAX
Actual
Scheduled 21:20
Aug 25
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- 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.
- 4 min late
PHX → LAX
- 12 min early
PHX → LAX
- 10 min early
PHX → LAX
- 14 min late
PHX → LAX
- 17 min early
PHX → LAX
Flight history and details
Aug 21, 2026 — Sep 20, 2026
- Observed arrivals
- 6
- Arrivals over 15 minutes late
- 0
- Observed cancellations
- 0
- Observed occurrences
- 8
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 | Phoenix | Los Angeles | 4 | |
| Sep 15, 2026Arrived | Phoenix | Los Angeles | -12 | |
| Sep 9, 2026Arrived | Phoenix | Los Angeles | -10 | |
| Sep 8, 2026Arrived | Phoenix | Los Angeles | 14 | |
| Sep 2, 2026Arrived | Phoenix | Los Angeles | -17 | |
| Aug 25, 2026Arrived | Phoenix | Los Angeles | -20 |