Flight OddsUA4666 CPR → DEN
United Airlines · Casper, WY to Denver, CO · 261 flights observed, 2025-08-19 to 2026-06-30 · 230 mi
UA4666 covers more than one route in the data window — the stats below are for CPR → DEN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
80%
Median delay
-6 min
90th percentile
+49 min
Cancellation rate
1%
How often is UA4666 on time?
Across 261 flights on CPR → DEN from 2025-08-19 to 2026-06-30, UA4666 arrived within 15 minutes of schedule 80% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +49 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 206 | 80% |
| 16-30 min | 13 | 5% |
| 31-60 min | 19 | 7% |
| 61-120 min | 9 | 4% |
| 2+ hrs | 9 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 13 | 62% | +35 min |
| 2025-09 | 30 | 80% | +4 min |
| 2025-10 | 30 | 83% | +2 min |
| 2025-12 | 29 | 86% | 0 min |
| 2026-01 | 31 | 84% | -7 min |
| 2026-02 | 28 | 93% | -2 min |
| 2026-03 | 29 | 90% | -9 min |
| 2026-04 | 30 | 73% | +4 min |
| 2026-05 | 30 | 67% | +15 min |
| 2026-06 | 6 | 67% | +33 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 36 | 81% |
| Tue | 37 | 89% |
| Wed | 36 | 86% |
| Thu | 37 | 84% |
| Fri | 37 | 68% |
| Sat | 37 | 81% |
| Sun | 36 | 75% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…