Southwest Airlines
Is WN4139 delayed?
Yes — WN4139 landed in San Diego 88 min late, at 13:37 on Sep 27 (as of Sep 27, 20:37 UTC). Over its last 7 recorded arrivals, 6 landed more than 15 min late.
Each route and date is shown separately. Confirm that both airports match your booking.
88 min late
Official source · Updated
Departure
Las Vegas
LAS
Actual
Scheduled 11:12
Sep 27
Arrival
San Diego
SAN
Actual
Scheduled 12:09
Sep 27
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
91 min late
Official source · Updated
Departure
San Diego
SAN
Actual
Scheduled 13:13
Sep 27
Arrival
Denver
DEN
Actual
Scheduled 16:07
Sep 27
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.
- 91 min late
San Diego → Denver
- 88 min late
Las Vegas → San Diego
- 46 min late
San Diego → Denver
- 32 min late
Las Vegas → San Diego
- 54 min late
San Diego → Denver
Is WN4139 usually late?
Observation window: Sep 2, 2026 – Oct 2, 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.
At the airports today
Las Vegas (LAS) departures
- Left more than 15 min late
- 85 of 280
- Cancelled today
- 1
San Diego (SAN) departures
- Left more than 15 min late
- 79 of 146
- Cancelled today
- 2
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 27, 2026Arrived | San Diego | Denver | 91 | |
| Sep 27, 2026Arrived | Las Vegas | San Diego | 88 | |
| Sep 20, 2026Arrived | San Diego | Denver | 46 | |
| Sep 20, 2026Arrived | Las Vegas | San Diego | 32 | |
| Sep 13, 2026Arrived | San Diego | Denver | 54 | |
| Sep 13, 2026Arrived | Las Vegas | San Diego | 47 | |
| Sep 6, 2026Arrived | Las Vegas | San Diego | 10 |
Email me if WN4139 runs late
We email you if your next WN4139 flight in the coming day is more than 15 minutes late, cancelled or diverted. Alerts last 30 days. No account needed.