About 1 in 6 UA 1217 flights from Denver arrived 15+ minutes late, diverted or cancelled over the past year (16%); 0.3% were cancelled. The typical flight landed 4 minutes early.
UA 1217: DEN → DRO
Scheduled to leave Denver at 11:20 a.m. local time. Over the past year it arrived on time 84% of the time (364 flights), in line with 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 | 53 | 87% |
| Tuesday | 52 | 87% |
| Wednesday | 52 | 81% |
| Thursday | 51 | 86% |
| Friday | 52 | 83% |
| Saturday | 52 | 81% |
| Sunday | 52 | 87% |
Why it was late
All flights DEN → DRO · Connecting off UA 1217? Check the risk
UA 1217: ORD → DEN
Scheduled to leave Chicago at 7:00 a.m. local time. Over the past year it arrived on time 92% of the time (156 flights), in line with other UA flights on the route at that hour (93%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 23 | 96% |
| Tuesday | 22 | 91% |
| Wednesday | 22 | 95% |
| Thursday | 22 | 95% |
| Friday | 22 | 82% |
| Saturday | 22 | 95% |
| Sunday | 23 | 87% |
Why it was late
All flights ORD → DEN · Connecting off UA 1217? Check the risk
Questions
How often is UA 1217 from DEN to DRO late?
United Airlines 1217 from Denver, CO to Durango, CO arrived 15 or more minutes late, was diverted or was cancelled on 16% of 364 scheduled flights between September 2025 and August 2026. 0.3% were cancelled.
How often is UA 1217 from ORD to DEN late?
United Airlines 1217 from Chicago, IL to Denver, CO arrived 15 or more minutes late, was diverted or was cancelled on 8% of 156 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.