United Airlines
Is UA1641 delayed?
No — UA1641 landed in Denver 11 min early, at 08:40 on Sep 23 (as of Sep 23, 14:40 UTC).
Usually on time: arrived within 15 min of schedule on 12 of the last 14 flights.
11 min early
Official source · Updated
Departure
Louisville
SDF
Actual
Scheduled 08:17
Sep 23
Arrival
Denver
DEN
Actual
Scheduled 08:52
Sep 23
Times shown in airport local time
Service date: · Scheduled departure date (America/Kentucky/Louisville)
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 11 min early
Louisville → Denver
- 93 min late
Louisville → Denver
- 17 min early
Louisville → Denver
- 5 min early
Louisville → Denver
- 16 min early
Louisville → Denver
Is UA1641 usually late?
Observation window: Aug 30, 2026 – Sep 29, 2026
On time means arriving no more than 15 minutes after the scheduled time; late means more than 15 minutes after. Cancelled and diverted flights are counted apart from arrivals. Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.
At the airports today
Denver (DEN) departures
- Left more than 15 min late
- 48 of 356
- Cancelled today
- 3
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 23, 2026Arrived | Louisville | Denver | -11 | |
| Sep 22, 2026Arrived | Louisville | Denver | 93 | |
| Sep 21, 2026Arrived | Louisville | Denver | -17 | |
| Sep 20, 2026Arrived | Louisville | Denver | -5 | |
| Sep 19, 2026Arrived | Louisville | Denver | -16 | |
| Sep 18, 2026Arrived | Louisville | Denver | -25 | |
| Sep 17, 2026Arrived | Louisville | Denver | 72 | |
| Sep 16, 2026Arrived | Louisville | Denver | -27 | |
| Sep 13, 2026Arrived | Louisville | Denver | -14 | |
| Sep 12, 2026Arrived | Louisville | Denver | -18 | |
| Sep 11, 2026Arrived | Louisville | Denver | -6 | |
| Sep 10, 2026Arrived | Louisville | Denver | -16 | |
| Sep 9, 2026Arrived | Louisville | Denver | -30 | |
| Sep 8, 2026Arrived | Louisville | Denver | -23 |
Email me if UA1641 runs late
We email you if your next UA1641 flight in the coming day is more than 15 minutes late, cancelled or diverted. Alerts last 30 days. No account needed.