Flight OddsUA1801 ORD → DEN
United Airlines · Chicago, IL to Denver, CO · 101 flights observed, 2025-07-01 to 2025-12-17 · 888 mi
UA1801 covers more than one route in the data window — the stats below are for ORD → DEN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
56%
Median delay
+11 min
90th percentile
+143 min
Cancellation rate
3%
How often is UA1801 on time?
Across 101 flights on ORD → DEN from 2025-07-01 to 2025-12-17, UA1801 arrived within 15 minutes of schedule 56% of the time. The median arrival delay was +11 min, and the worst 10% of flights arrived +143 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 54 | 56% |
| 16-30 min | 9 | 9% |
| 31-60 min | 9 | 9% |
| 61-120 min | 13 | 13% |
| 2+ hrs | 12 | 12% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 27 | 26% | +70 min |
| 2025-08 | 18 | 44% | +63 min |
| 2025-10 | 6 | 83% | +8 min |
| 2025-11 | 29 | 79% | +11 min |
| 2025-12 | 17 | 65% | +24 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 14 | 64% |
| Tue | 15 | 60% |
| Wed | 15 | 53% |
| Thu | 12 | 58% |
| Fri | 13 | 62% |
| Sat | 14 | 50% |
| Sun | 14 | 43% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…