UA4657 COS → DEN
United Airlines · Colorado Springs, CO to Denver, CO · 41 flights observed, 2025-12-02 to 2026-06-30 · 73 mi
UA4657 covers more than one route in the data window — the stats below are for COS → DEN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
65%
Median delay
-3 min
90th percentile
+118 min
Cancellation rate
2%
How often is UA4657 on time?
Across 41 flights on COS → DEN from 2025-12-02 to 2026-06-30, UA4657 arrived within 15 minutes of schedule 65% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +118 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 26 | 65% |
| 16-30 min | 2 | 5% |
| 31-60 min | 3 | 8% |
| 61-120 min | 5 | 13% |
| 2+ hrs | 4 | 10% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 29 | 72% | +12 min |
| 2026-01 | 5 | 60% | +34 min |
| 2026-06 | 6 | 33% | +109 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 6 | 67% |
| Tue | 6 | 67% |
| Wed | 5 | 80% |
| Thu | 6 | 67% |
| Fri | 5 | 40% |
| Sat | 6 | 67% |
| Sun | 6 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…