Southwest Airlines
Is WN4431 delayed?
Service date: · Scheduled departure date (America/New_York)
Arrived
20 min early
Updated
Departure
Baltimore
BWI
Actual
Scheduled 19:45
Aug 26
Arrival
Boston
BOS
Actual
Scheduled 21:25
Aug 26
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Actual
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 17 min late
BWI → BOS
- 1 min late
BWI → BOS
- 57 min late
BWI → BOS
- 5 min early
BWI → BOS
- 68 min late
BWI → BOS
Flight history and details
Aug 20, 2026 — Sep 19, 2026
- Observed arrivals
- 6
- Arrivals over 15 minutes late
- 3
- Observed cancellations
- 1
- Observed occurrences
- 8
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 16, 2026Arrived | Baltimore | Boston | 17 | |
| Sep 15, 2026Arrived | Baltimore | Boston | 1 | |
| Sep 9, 2026Arrived | Baltimore | Boston | 57 | |
| Sep 8, 2026Arrived | Baltimore | Boston | -5 | |
| Sep 2, 2026Cancelled | Baltimore | Boston | Not available | Not available |
| Sep 1, 2026Arrived | Baltimore | Boston | 68 | |
| Aug 26, 2026Arrived | Baltimore | Boston | -20 |