About 1 in 4 UA 2852 flights from Miami arrived 15+ minutes late, diverted or cancelled over the past year (24%); 0.4% were cancelled. The typical flight landed 7 minutes early.
UA 2852: MIA → DEN
Scheduled to leave Miami at 3:44 p.m. local time. Over the past year it arrived on time 76% of the time (237 flights), in line with other UA flights on the route at that hour (73%). Last seen in the data Aug 31, 2026.
Usually United Airlines's last flight of the day from Miami to Denver (91% of days). United Airlines's last MIA–DEN flight was cancelled 0.3% of the time, against 0.0% for its earlier ones. If it's cancelled, the next United Airlines flight is usually around 7:37 a.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 34 | 68% |
| Tuesday | 34 | 74% |
| Wednesday | 34 | 88% |
| Thursday | 34 | 74% |
| Friday | 34 | 74% |
| Saturday | 33 | 73% |
| Sunday | 34 | 79% |
Why it was late
All flights MIA → DEN · Connecting off UA 2852? Check the risk
UA 2852: DEN → RNO
Scheduled to leave Denver at 9:05 p.m. local time. Over the past year it arrived on time 66% of the time (137 flights), in line with other UA flights on the route at that hour (64%). Last seen in the data Aug 9, 2026.
Usually United Airlines's last flight of the day from Denver to Reno (100% of days). United Airlines's last DEN–RNO flight was cancelled 0.0% of the time, against 0.2% for its earlier ones. If it's cancelled, the next United Airlines flight is usually around 11:20 a.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 22 | 59% |
| Tuesday | 2 | — |
| Wednesday | 25 | 68% |
| Thursday | 29 | 59% |
| Friday | 29 | 66% |
| Saturday | 3 | — |
| Sunday | 27 | 74% |
Why it was late
All flights DEN → RNO · Connecting off UA 2852? Check the risk
Questions
How often is UA 2852 from MIA to DEN late?
United Airlines 2852 from Miami, FL to Denver, CO arrived 15 or more minutes late, was diverted or was cancelled on 24% of 237 scheduled flights between September 2025 and August 2026. 0.4% were cancelled.
How often is UA 2852 from DEN to RNO late?
United Airlines 2852 from Denver, CO to Reno, NV arrived 15 or more minutes late, was diverted or was cancelled on 34% of 137 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.