Southwest Airlines
Is WN4121 delayed?
No, WN4121 landed in San Antonio 4 min early, at 21:35 on Nov 11 (as of Nov 12, 03:35 UTC). Of its last 9 arrivals, 2 landed more than 15 min late.
4 min early
Official source · Updated
Departure
Dallas
DAL
Actual
Scheduled 20:35
Nov 11
Arrival
San Antonio
SAT
Actual
Scheduled 21:39
Nov 11
Times shown in airport local time
Service date: · Scheduled departure date (America/Chicago)
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.
- 4 min early
Dallas → San Antonio
- 54 min late
Dallas → San Antonio
- 5 min early
Dallas → San Antonio
- 1 min early
Dallas → San Antonio
- 11 min early
Denver → San Diego
Is WN4121 usually late?
Period: Oct 15, 2026 – Nov 14, 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. Compares scheduled and actual arrival times. Cancelled and diverted flights are left out. Some flights may be missing.
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Nov 11, 2026Arrived | Dallas | San Antonio | -4 | |
| Nov 10, 2026Arrived | Dallas | San Antonio | 54 | |
| Nov 4, 2026Arrived | Dallas | San Antonio | -5 | |
| Nov 3, 2026Arrived | Dallas | San Antonio | -1 | |
| Oct 27, 2026Arrived | Denver | San Diego | -11 | |
| Oct 25, 2026Arrived | Hartford | Denver | 26 | |
| Oct 21, 2026Arrived | Denver | San Diego | -15 | |
| Oct 20, 2026Arrived | Denver | San Diego | -16 | |
| Oct 18, 2026Arrived | Hartford | Denver | -11 |