Flight OddsUA4645 COS → DEN
United Airlines · Colorado Springs, CO to Denver, CO · 36 flights observed, 2026-02-04 to 2026-06-24 · 73 mi
UA4645 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
61%
Median delay
+6 min
90th percentile
+120 min
Cancellation rate
0%
How often is UA4645 on time?
Across 36 flights on COS → DEN from 2026-02-04 to 2026-06-24, UA4645 arrived within 15 minutes of schedule 61% of the time. The median arrival delay was +6 min, and the worst 10% of flights arrived +120 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 22 | 61% |
| 16-30 min | 5 | 14% |
| 31-60 min | 1 | 3% |
| 61-120 min | 4 | 11% |
| 2+ hrs | 4 | 11% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-02 | 1 | 100% | -22 min |
| 2026-05 | 11 | 64% | +26 min |
| 2026-06 | 24 | 58% | +36 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 40% |
| Tue | 5 | 60% |
| Wed | 6 | 67% |
| Thu | 5 | 40% |
| Fri | 5 | 60% |
| Sat | 5 | 80% |
| Sun | 5 | 80% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…