About 1 in 5 UA 5456 flights from Rapid City arrived 15+ minutes late, diverted or cancelled over the past year (21%); 1.4% were cancelled. The typical flight landed 9 minutes early.
UA 5456: RAP → DEN
Scheduled to leave Rapid City at 10:00 a.m. local time, operated by SkyWest as OO 5456. Over the past year it arrived on time 79% of the time (140 flights), worse than other UA flights on the route at that hour (84%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 25 | 84% |
| Tuesday | 15 | — |
| Wednesday | 16 | — |
| Thursday | 22 | 77% |
| Friday | 24 | 67% |
| Saturday | 13 | — |
| Sunday | 25 | 72% |
Why it was late
All flights RAP → DEN · Connecting off UA 5456? Check the risk
Questions
How often is UA 5456 from RAP to DEN late?
United Airlines 5456 from Rapid City, SD to Denver, CO arrived 15 or more minutes late, was diverted or was cancelled on 21% of 140 scheduled flights between September 2025 and August 2026. 1.4% were cancelled.
Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check United Airlines for today's flight. Method.