Flight OddsUA1109 DEN → ONT
United Airlines · Denver, CO to Ontario, CA · 36 flights observed, 2025-10-26 to 2025-12-01 · 819 mi
UA1109 covers more than one route in the data window — the stats below are for DEN → ONT, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
86%
Median delay
-6 min
90th percentile
+20 min
Cancellation rate
0%
How often is UA1109 on time?
Across 36 flights on DEN → ONT from 2025-10-26 to 2025-12-01, UA1109 arrived within 15 minutes of schedule 86% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +20 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 | 31 | 86% |
| 16-30 min | 2 | 6% |
| 31-60 min | 1 | 3% |
| 61-120 min | 1 | 3% |
| 2+ hrs | 1 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 6 | 67% | +25 min |
| 2025-11 | 29 | 90% | -1 min |
| 2025-12 | 1 | 100% | -22 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 6 | 67% |
| Tue | 5 | 100% |
| Wed | 5 | 100% |
| Thu | 4 | 75% |
| Fri | 5 | 80% |
| Sat | 5 | 80% |
| 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…