About 1 in 4 UA 2045 flights from Denver arrived 15+ minutes late, diverted or cancelled over the past year (27%); 0.0% were cancelled. The typical flight landed 0 minutes early.
UA 2045: DEN → HDN
Scheduled to leave Denver at 11:30 a.m. local time. Over the past year it arrived on time 73% of the time (310 flights), in line with other UA flights on the route at that hour (76%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 45 | 84% |
| Tuesday | 44 | 86% |
| Wednesday | 44 | 75% |
| Thursday | 44 | 66% |
| Friday | 44 | 61% |
| Saturday | 44 | 73% |
| Sunday | 45 | 67% |
Why it was late
All flights DEN → HDN · Connecting off UA 2045? Check the risk
UA 2045: MIA → DEN
Scheduled to leave Miami at 7:37 a.m. local time. Over the past year it arrived on time 91% of the time (159 flights), in line with other UA flights on the route at that hour (92%). Last seen in the data Aug 10, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 23 | 87% |
| Tuesday | 22 | 86% |
| Wednesday | 22 | 91% |
| Thursday | 23 | 96% |
| Friday | 23 | 91% |
| Saturday | 23 | 91% |
| Sunday | 23 | 96% |
Why it was late
All flights MIA → DEN · Connecting off UA 2045? Check the risk
Questions
How often is UA 2045 from DEN to HDN late?
United Airlines 2045 from Denver, CO to Hayden, CO arrived 15 or more minutes late, was diverted or was cancelled on 27% of 310 scheduled flights between September 2025 and August 2026. 0.0% were cancelled.
How often is UA 2045 from MIA to DEN late?
United Airlines 2045 from Miami, FL to Denver, CO arrived 15 or more minutes late, was diverted or was cancelled on 9% of 159 scheduled flights between September 2025 and August 2026. 0.0% 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.