Southwest Airlines
Is WN4555 delayed?
No — WN4555 landed in Washington on schedule (3 min behind), at 16:56 on Sep 23 (as of Sep 23, 20:56 UTC). Over its last 13 recorded arrivals, 0 landed more than 15 min late.
Each route and date is shown separately. Confirm that both airports match your booking.
On schedule (3 min behind)
Official source · Updated
Departure
Las Vegas
LAS
Actual
Scheduled 09:37
Sep 23
Arrival
Washington
DCA
Actual
Scheduled 16:53
Sep 23
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
3 min early
Official source · Updated
Departure
Sacramento
SMF
Actual
Scheduled 14:22
Sep 23
Arrival
Las Vegas
LAS
Actual
Scheduled 08:33
Sep 23
Times shown in airport local time
Service date: · Scheduled departure date (UTC)
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 (3 min behind)
Las Vegas → Washington
- 3 min early
Sacramento → Las Vegas
- 23 min early
Las Vegas → Washington
- 9 min early
Sacramento → Las Vegas
- On schedule (13 min behind)
Las Vegas → Washington
Flight history and details
Aug 29, 2026 — Sep 28, 2026
- Observed arrivals
- 13
- Arrivals over 15 minutes late
- 0
- Observed cancellations
- 0
- Observed occurrences
- 14
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 23, 2026Arrived | Las Vegas | Washington | 3 | |
| Sep 23, 2026Arrived | Sacramento | Las Vegas | -3 | |
| Sep 22, 2026Arrived | Las Vegas | Washington | -23 | |
| Sep 22, 2026Arrived | Sacramento | Las Vegas | -9 | |
| Sep 16, 2026Arrived | Las Vegas | Washington | 13 | |
| Sep 16, 2026Arrived | Sacramento | Las Vegas | -6 | |
| Sep 15, 2026Arrived | Las Vegas | Washington | 0 | |
| Sep 15, 2026Arrived | Sacramento | Las Vegas | 14 | |
| Sep 9, 2026Arrived | Las Vegas | Washington | 7 | |
| Sep 9, 2026Arrived | Sacramento | Las Vegas | -10 | |
| Sep 8, 2026Arrived | Las Vegas | Washington | -6 | |
| Sep 8, 2026Arrived | Sacramento | Las Vegas | -9 | |
| Sep 1, 2026Arrived | Las Vegas | Washington | 7 |