Southwest Airlines
Is WN355 delayed?
No — WN355 landed in St Louis 4 min early, at 12:25 on Sep 26 (as of Sep 26, 17:26 UTC). Over its last 5 recorded arrivals, 3 landed more than 15 min late.
4 min early
Official source · Updated
Departure
Boston
BOS
Actual
Scheduled 11:03
Sep 26
Arrival
St Louis
STL
Actual
Scheduled 12:29
Sep 26
Times shown in airport local time
Service date: · Scheduled departure date (America/New_York)
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
Boston → St Louis
- 30 min late
Nashville → Tampa
- 47 min late
San Antonio → San Diego
- 10 min early
Denver → Nashville
- 148 min late
Reno → Las Vegas
Is WN355 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
Boston (BOS) departures
- Left more than 15 min late
- 91 of 254
- Cancelled today
- 0
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 26, 2026Arrived | Boston | St Louis | -4 | |
| Sep 21, 2026Arrived | Nashville | Tampa | 30 | |
| Sep 20, 2026Arrived | San Antonio | San Diego | 47 | |
| Sep 19, 2026Arrived | Denver | Nashville | -10 | |
| Sep 2, 2026Arrived | Reno | Las Vegas | 148 |
Email me if WN355 runs late
We email you if your next WN355 flight in the coming day is more than 15 minutes late, cancelled or diverted. Alerts last 30 days. No account needed.