Is WN437 delayed?
Service date: · Scheduled departure date (UTC)
Arrived
12 min early
Official source · Updated
Departure
Buffalo
BUF
Actual
Scheduled 11:01
Sep 7
Arrival
Denver
DEN
Actual
Scheduled 08:07
Sep 7
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
BUFDEN
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 21 min late
BDL → BWI
- 23 min late
BDL → BWI
- 8 min early
BDL → BWI
- 6 min late
BUF → DEN
- 6 min early
BDL → BWI
Flight history and details
Aug 19, 2026 — Sep 18, 2026
- Observed arrivals
- 11
- Arrivals over 15 minutes late
- 2
- Observed cancellations
- 0
- Observed occurrences
- 12
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 | Hartford | Baltimore | 21 | |
| Sep 15, 2026Arrived | Hartford | Baltimore | 23 | |
| Sep 12, 2026Arrived | Hartford | Baltimore | -8 | |
| Sep 10, 2026Arrived | Buffalo | Denver | 6 | |
| Sep 9, 2026Arrived | Hartford | Baltimore | -6 | |
| Sep 7, 2026Arrived | Buffalo | Denver | -12 | |
| Sep 6, 2026Arrived | Omaha | Chicago | -15 | |
| Sep 5, 2026Arrived | Hartford | Baltimore | -11 | |
| Sep 5, 2026Arrived | Orlando | Hartford | -12 | |
| Sep 4, 2026Arrived | Buffalo | Denver | -10 | |
| Aug 29, 2026Arrived | Orlando | Hartford | -5 |