Flight OddsUA1666 DEN → CLT
United Airlines · Denver, CO to Charlotte, NC · 33 flights observed, 2025-10-26 to 2025-12-01 · 1,337 mi
UA1666 covers more than one route in the data window — the stats below are for DEN → CLT, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
88%
Median delay
-12 min
90th percentile
+38 min
Cancellation rate
0%
How often is UA1666 on time?
Across 33 flights on DEN → CLT from 2025-10-26 to 2025-12-01, UA1666 arrived within 15 minutes of schedule 88% of the time. The median arrival delay was -12 min, and the worst 10% of flights arrived +38 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 | 29 | 88% |
| 16-30 min | 0 | 0% |
| 31-60 min | 3 | 9% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 1 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 6 | 83% | +26 min |
| 2025-11 | 26 | 88% | -6 min |
| 2025-12 | 1 | 100% | -4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 6 | 67% |
| Tue | 5 | 100% |
| Wed | 5 | 100% |
| Thu | 4 | 100% |
| Fri | 4 | 100% |
| Sat | 3 | 33% |
| Sun | 6 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…