About 1 in 3 UA 5671 flights from Rapid City arrived 15+ minutes late, diverted or cancelled over the past year (29%); 2.9% were cancelled. The typical flight landed 3 minutes early.
UA 5671: RAP → DEN
Scheduled to leave Rapid City at 5:53 p.m. local time, operated by SkyWest as OO 5671. Over the past year it arrived on time 71% of the time (171 flights), better than other UA flights on the route at that hour (67%). Last seen in the data Aug 31, 2026.
Usually United Airlines's last flight of the day from Rapid City to Denver (99% of days). United Airlines's last RAP–DEN flight was cancelled 2.2% of the time, against 1.0% for its earlier ones. If it's cancelled, the next United Airlines flight is usually around 5:00 a.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 29 | 69% |
| Tuesday | 16 | — |
| Wednesday | 25 | 60% |
| Thursday | 28 | 79% |
| Friday | 29 | 69% |
| Saturday | 15 | — |
| Sunday | 29 | 72% |
Why it was late
All flights RAP → DEN · Connecting off UA 5671? Check the risk
Questions
How often is UA 5671 from RAP to DEN late?
United Airlines 5671 from Rapid City, SD to Denver, CO arrived 15 or more minutes late, was diverted or was cancelled on 29% of 171 scheduled flights between September 2025 and August 2026. 2.9% 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.