Southwest Airlines
Is WN4564 delayed?
Service date: · Scheduled departure date (UTC)
Arrived
3 min early
Official source · Updated
Departure
Buffalo
BUF
Actual
Scheduled 20:16
Sep 8
Arrival
Denver
DEN
Actual
Scheduled 17:22
Sep 8
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.
- 43 min late
BUF → DEN
- 37 min late
BUF → DEN
- 26 min early
SMF → MDW
- 51 min late
BUF → DEN
- 3 min early
BUF → DEN
Flight history and details
Aug 20, 2026 — Sep 19, 2026
- Observed arrivals
- 5
- Arrivals over 15 minutes late
- 3
- Observed cancellations
- 0
- Observed occurrences
- 5
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 | Buffalo | Denver | 43 | |
| Sep 15, 2026Arrived | Buffalo | Denver | 37 | |
| Sep 13, 2026Arrived | Sacramento | Chicago | -26 | |
| Sep 9, 2026Arrived | Buffalo | Denver | 51 | |
| Sep 8, 2026Arrived | Buffalo | Denver | -3 |