Flight OddsUA5257 ASE → DEN
United Airlines · Aspen, CO to Denver, CO · 44 flights observed, 2025-12-18 to 2026-02-09 · 125 mi
UA5257 covers more than one route in the data window — the stats below are for ASE → DEN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
93%
Median delay
-23 min
90th percentile
+13 min
Cancellation rate
7%
How often is UA5257 on time?
Across 44 flights on ASE → DEN from 2025-12-18 to 2026-02-09, UA5257 arrived within 15 minutes of schedule 93% of the time. The median arrival delay was -23 min, and the worst 10% of flights arrived +13 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 | 38 | 93% |
| 16-30 min | 0 | 0% |
| 31-60 min | 2 | 5% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 1 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 13 | 92% | -8 min |
| 2026-01 | 21 | 90% | -9 min |
| 2026-02 | 7 | 100% | -29 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 7 | 100% |
| Tue | 2 | 100% |
| Wed | 2 | 100% |
| Thu | 7 | 100% |
| Fri | 8 | 88% |
| Sat | 7 | 86% |
| Sun | 8 | 88% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…