Southwest Airlines
Is WN3978 delayed?
No, WN3978 landed in Phoenix 8 min early, at 06:28 on Nov 13 (as of Nov 13, 13:28 UTC).
Usually on time: arrived within 15 min of schedule on 20 of the last 22 flights.
8 min early
Official source · Updated
Departure
Salt Lake City
SLC
Actual
Scheduled 05:20
Nov 13
Arrival
Phoenix
PHX
Actual
Scheduled 06:37
Nov 13
Times shown in airport local time
Service date: · Scheduled departure date (America/Denver)
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 8 min early
Salt Lake City → Phoenix
- 12 min early
Salt Lake City → Phoenix
- 17 min early
Salt Lake City → Phoenix
- 17 min early
Salt Lake City → Phoenix
- 9 min early
Salt Lake City → Phoenix
Is WN3978 usually late?
Period: Oct 15, 2026 – Nov 14, 2026
On time means arriving no more than 15 minutes after the scheduled time; late means more than 15 minutes after. Cancelled and diverted flights are counted apart from arrivals. Compares scheduled and actual arrival times. Cancelled and diverted flights are left out. Some flights may be missing.
At the airports today
Salt Lake City (SLC) departures
- Left more than 15 min late
- 19 of 28
- Cancelled today
- 24
Phoenix (PHX) departures
- Left more than 15 min late
- 19 of 57
- Cancelled today
- 35
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Nov 13, 2026Arrived | Salt Lake City | Phoenix | -8 | |
| Nov 12, 2026Arrived | Salt Lake City | Phoenix | -12 | |
| Nov 11, 2026Arrived | Salt Lake City | Phoenix | -17 | |
| Nov 10, 2026Arrived | Salt Lake City | Phoenix | -17 | |
| Nov 9, 2026Arrived | Salt Lake City | Phoenix | -9 | |
| Nov 8, 2026Arrived | Salt Lake City | Phoenix | -19 | |
| Nov 6, 2026Arrived | Salt Lake City | Phoenix | -10 | |
| Nov 5, 2026Arrived | Salt Lake City | Phoenix | 20 | |
| Nov 4, 2026Arrived | Salt Lake City | Phoenix | Not available | |
| Oct 30, 2026Arrived | Sacramento | Santa Ana | -2 | |
| Oct 29, 2026Arrived | Sacramento | Santa Ana | -7 | |
| Oct 28, 2026Arrived | Sacramento | Santa Ana | -11 | |
| Oct 27, 2026Arrived | Sacramento | Santa Ana | -9 | |
| Oct 26, 2026Arrived | Sacramento | Santa Ana | -17 | |
| Oct 25, 2026Arrived | San Jose | Eugene | -23 | |
| Oct 23, 2026Arrived | Sacramento | Santa Ana | -17 | |
| Oct 22, 2026Arrived | Sacramento | Santa Ana | -11 | |
| Oct 21, 2026Arrived | Sacramento | Santa Ana | 19 | |
| Oct 20, 2026Arrived | Sacramento | Santa Ana | -7 | |
| Oct 19, 2026Arrived | Sacramento | Santa Ana | -10 | |
| Oct 18, 2026Arrived | San Jose | Eugene | -17 | |
| Oct 16, 2026Arrived | Sacramento | Santa Ana | -10 | |
| Oct 15, 2026Arrived | Sacramento | Santa Ana | -18 |