Is WN4251 delayed?
No delay reported yet — WN4251 is scheduled to leave Boston at 12:58 on Sep 27 and reach Denver at 14:52 (as of Sep 27, 11:34 UTC). Over its last 20 recorded arrivals, 14 landed more than 15 min late.
No live update yet
Showing the published schedule until live times are reported.
Update time unavailable
Departure
Boston
BOS
Scheduled
Sep 27
Arrival
Denver
DEN
Scheduled
Sep 27
Times shown in airport local time
Service date: · Scheduled departure date (America/New_York)
Think WN4251 runs late today? Delayed is trading at 52¢ — pays out x1.92.
Will Southwest Airlines SWA 4251 from Boston to Denver arrive on time, be delayed, or be cancelled on Sep 27?Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Market prices express trading expectations about a contract’s stated threshold. They do not confirm airline status. The linked market shows its terms and activity.
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 5 min early
STL → ECP
- 18 min late
BOS → DEN
- 146 min late
BOS → DEN
- 148 min late
BOS → DEN
- 87 min late
BOS → DEN
Flight history and details
Aug 28, 2026 — Sep 27, 2026
- Observed arrivals
- 20
- Arrivals over 15 minutes late
- 14
- Observed cancellations
- 0
- Observed occurrences
- 21
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 26, 2026Arrived | St Louis | Panama City Beach | -5 | |
| Sep 25, 2026Arrived | Boston | Denver | 18 | |
| Sep 24, 2026Arrived | Boston | Denver | 146 | |
| Sep 21, 2026Arrived | Boston | Denver | 148 | |
| Sep 20, 2026Arrived | Boston | Denver | 87 | |
| Sep 19, 2026Arrived | St Louis | Panama City Beach | -4 | |
| Sep 18, 2026Arrived | Boston | Denver | 10 | |
| Sep 17, 2026Arrived | Boston | Denver | 92 | |
| Sep 14, 2026Arrived | Boston | Denver | 73 | |
| Sep 13, 2026Arrived | Boston | Denver | 24 | |
| Sep 12, 2026Arrived | St Louis | Panama City Beach | 65 | |
| Sep 11, 2026Arrived | Boston | Denver | 115 | |
| Sep 10, 2026Arrived | Boston | Denver | 26 | |
| Sep 7, 2026Arrived | Boston | Denver | 44 | |
| Sep 6, 2026Arrived | Boston | Denver | 0 | |
| Sep 5, 2026Arrived | St Louis | Panama City Beach | 2 | |
| Sep 4, 2026Arrived | Boston | Denver | 17 | |
| Sep 3, 2026Arrived | Boston | Denver | 113 | |
| Aug 31, 2026Arrived | Boston | Denver | 16 | |
| Aug 30, 2026Arrived | Boston | Denver | 4 |