Southwest Airlines
Is WN4038 delayed?
No — WN4038 landed in Boise on schedule (15 min behind), at 13:25 on Sep 28 (as of Sep 28, 19:26 UTC). Over its last 9 recorded arrivals, 1 landed more than 15 min late.
On schedule (15 min behind)
Official source · Updated
Departure
San Jose
SJC
Actual
Scheduled 10:54
Sep 28
Arrival
Boise
BOI
Actual
Scheduled 13:10
Sep 28
Times shown in airport local time
Service date: · Scheduled departure date (America/Los_Angeles)
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.
- On schedule (15 min behind)
San Jose → Boise
- 19 min late
San Jose → Boise
- 12 min early
San Jose → Boise
- 7 min early
San Jose → Boise
- 4 min early
San Jose → Boise
Is WN4038 usually late?
Observation window: Aug 31, 2026 – Sep 30, 2026
Percentages and delay figures appear once 10 arrivals are recorded.
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. Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 28, 2026Arrived | San Jose | Boise | 15 | |
| Sep 25, 2026Arrived | San Jose | Boise | 19 | |
| Sep 24, 2026Arrived | San Jose | Boise | -12 | |
| Sep 21, 2026Arrived | San Jose | Boise | -7 | |
| Sep 18, 2026Arrived | San Jose | Boise | -4 | |
| Sep 17, 2026Arrived | San Jose | Boise | -13 | |
| Sep 10, 2026Arrived | San Jose | Boise | -11 | |
| Sep 6, 2026Arrived | Memphis | Denver | -4 | |
| Sep 4, 2026Arrived | San Jose | Boise | -14 |
Email me if WN4038 runs late
We email you if your next WN4038 flight in the coming day is more than 15 minutes late, cancelled or diverted. Alerts last 30 days. No account needed.