About 1 in 5 UA 2288 flights from Raleigh arrived 15+ minutes late, diverted or cancelled over the past year (18%); 0.3% were cancelled. The typical flight landed 8 minutes early.
UA 2288: RDU → DEN
Scheduled to leave Raleigh at 4:22 p.m. local time. Over the past year it arrived on time 82% of the time (331 flights), in line with other UA flights on the route at that hour (82%). Last seen in the data Aug 31, 2026.
Usually United Airlines's last flight of the day from Raleigh to Denver (100% of days). United Airlines's last RDU–DEN flight was cancelled 0.3% of the time, against 0.5% for its earlier ones. If it's cancelled, the next United Airlines flight is usually around 8:30 a.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 48 | 85% |
| Tuesday | 47 | 87% |
| Wednesday | 47 | 83% |
| Thursday | 47 | 77% |
| Friday | 48 | 81% |
| Saturday | 47 | 81% |
| Sunday | 47 | 77% |
Why it was late
All flights RDU → DEN · Connecting off UA 2288? Check the risk
Questions
How often is UA 2288 from RDU to DEN late?
United Airlines 2288 from Raleigh/Durham, NC to Denver, CO arrived 15 or more minutes late, was diverted or was cancelled on 18% of 331 scheduled flights between September 2025 and August 2026. 0.3% 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.