Southwest Airlines
Is WN4821 delayed?
Yes — WN4821 landed in Austin 79 min late, at 18:07 on Sep 27 (as of Sep 27, 23:07 UTC). Over its last 8 recorded arrivals, 5 landed more than 15 min late.
79 min late
Official source · Updated
Departure
San Francisco
SFO
Actual
Scheduled 11:38
Sep 27
Arrival
Austin
AUS
Actual
Scheduled 16:48
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.
- 79 min late
San Francisco → Austin
- 26 min early
Baltimore → Chicago
- 87 min late
San Francisco → Austin
- 36 min late
Baltimore → Chicago
- 25 min late
San Francisco → Austin
Flight history and details
Aug 30, 2026 — Sep 29, 2026
- Observed arrivals
- 8
- Arrivals over 15 minutes late
- 5
- Observed cancellations
- 0
- Observed occurrences
- 9
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 27, 2026Arrived | San Francisco | Austin | 79 | |
| Sep 26, 2026Arrived | Baltimore | Chicago | -26 | |
| Sep 20, 2026Arrived | San Francisco | Austin | 87 | |
| Sep 19, 2026Arrived | Baltimore | Chicago | 36 | |
| Sep 13, 2026Arrived | San Francisco | Austin | 25 | |
| Sep 12, 2026Arrived | Baltimore | Chicago | 64 | |
| Sep 6, 2026Arrived | San Francisco | Austin | -2 | |
| Sep 5, 2026Arrived | Baltimore | Chicago | 9 |