Is UA645 delayed?
Service date: · Scheduled departure date (America/Denver)
Arrived
On time
Official source · Updated
Departure
Denver
DEN
Actual
Scheduled 17:53
Sep 15
Arrival
Sioux Falls
FSD
Actual
Sep 16
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
View this flight’s market
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.
DENFSD
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- On time
DEN → FSD
- 13 min early
DEN → FSD
- 21 min early
DEN → FSD
- 43 min late
DEN → FSD
- 8 min early
DEN → FSD
Flight history and details
Aug 17, 2026 — Sep 16, 2026
- Observed arrivals
- 21
- Arrivals over 15 minutes late
- 5
- Observed cancellations
- 0
- Observed occurrences
- 25
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 15, 2026Arrived | Denver | Sioux Falls | 0 | |
| Sep 13, 2026Arrived | Denver | Sioux Falls | -13 | |
| Sep 12, 2026Arrived | Denver | Sioux Falls | -21 | |
| Sep 11, 2026Arrived | Denver | Sioux Falls | 43 | |
| Sep 10, 2026Arrived | Denver | Sioux Falls | -8 | |
| Sep 9, 2026Arrived | Denver | Sioux Falls | -18 | |
| Sep 8, 2026Arrived | Denver | Sioux Falls | -18 | |
| Sep 7, 2026Arrived | Denver | Sioux Falls | -18 | |
| Sep 6, 2026Arrived | Denver | Sioux Falls | 84 | |
| Sep 5, 2026Arrived | Denver | Sioux Falls | 0 | |
| Sep 4, 2026Arrived | Denver | Sioux Falls | -15 | |
| Sep 1, 2026Arrived | Denver | Sioux Falls | 14 | |
| Aug 28, 2026Arrived | Denver | Sioux Falls | -5 | |
| Aug 27, 2026Arrived | Denver | Sioux Falls | -6 | |
| Aug 26, 2026Arrived | Denver | Sioux Falls | -13 | |
| Aug 25, 2026Arrived | Denver | Sioux Falls | -9 | |
| Aug 24, 2026Arrived | Denver | Sioux Falls | 270 | |
| Aug 23, 2026Arrived | Denver | Sioux Falls | 45 | |
| Aug 22, 2026Arrived | Denver | Sioux Falls | 50 | |
| Aug 19, 2026Arrived | Denver | Sioux Falls | -5 | |
| Aug 17, 2026Arrived | Denver | Sioux Falls | -20 |