Flight OddsUA1803 ORD → DEN
United Airlines · Chicago, IL to Denver, CO · 359 flights observed, 2025-07-01 to 2026-06-24 · 888 mi
UA1803 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
86%
Median delay
-9 min
90th percentile
+24 min
Cancellation rate
0%
How often is UA1803 on time?
Across 359 flights on ORD → DEN from 2025-07-01 to 2026-06-24, UA1803 arrived within 15 minutes of schedule 86% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +24 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 | 308 | 86% |
| 16-30 min | 21 | 6% |
| 31-60 min | 10 | 3% |
| 61-120 min | 14 | 4% |
| 2+ hrs | 5 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 87% | -5 min |
| 2025-08 | 31 | 94% | +7 min |
| 2025-09 | 30 | 97% | -11 min |
| 2025-10 | 31 | 94% | -6 min |
| 2025-11 | 30 | 77% | +0 min |
| 2025-12 | 31 | 77% | +14 min |
| 2026-01 | 31 | 71% | +7 min |
| 2026-02 | 28 | 93% | -4 min |
| 2026-03 | 30 | 73% | +6 min |
| 2026-04 | 30 | 93% | -9 min |
| 2026-05 | 31 | 97% | -9 min |
| 2026-06 | 24 | 79% | +1 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 51 | 88% |
| Tue | 52 | 87% |
| Wed | 52 | 87% |
| Thu | 51 | 88% |
| Fri | 50 | 84% |
| Sat | 51 | 82% |
| Sun | 51 | 86% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…