UA5781 DEN → ASE
United Airlines · Denver, CO to Aspen, CO · 285 flights observed, 2025-07-01 to 2026-06-30 · 125 mi
UA5781 covers more than one route in the data window — the stats below are for DEN → ASE, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
77%
Median delay
-8 min
90th percentile
+53 min
Cancellation rate
7%
How often is UA5781 on time?
Across 285 flights on DEN → ASE from 2025-07-01 to 2026-06-30, UA5781 arrived within 15 minutes of schedule 77% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +53 min or later. 7% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 202 | 77% |
| 16-30 min | 14 | 5% |
| 31-60 min | 24 | 9% |
| 61-120 min | 9 | 3% |
| 2+ hrs | 13 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 25 | 48% | +179 min |
| 2025-08 | 29 | 69% | +65 min |
| 2025-09 | 30 | 80% | +2 min |
| 2025-10 | 24 | 88% | +26 min |
| 2025-12 | 23 | 74% | +28 min |
| 2026-01 | 29 | 86% | -14 min |
| 2026-02 | 23 | 87% | +22 min |
| 2026-03 | 28 | 89% | +14 min |
| 2026-04 | 18 | 89% | -11 min |
| 2026-05 | 9 | 67% | +2 min |
| 2026-06 | 24 | 67% | +53 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 40 | 80% |
| Tue | 40 | 80% |
| Wed | 40 | 78% |
| Thu | 38 | 68% |
| Fri | 36 | 69% |
| Sat | 30 | 90% |
| Sun | 38 | 76% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…