Flight OddsUA1139 ORD → DSM
United Airlines · Chicago, IL to Des Moines, IA · 123 flights observed, 2025-07-01 to 2025-12-01 · 299 mi
UA1139 covers more than one route in the data window — the stats below are for ORD → DSM, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
81%
Median delay
-2 min
90th percentile
+33 min
Cancellation rate
2%
How often is UA1139 on time?
Across 123 flights on ORD → DSM from 2025-07-01 to 2025-12-01, UA1139 arrived within 15 minutes of schedule 81% of the time. The median arrival delay was -2 min, and the worst 10% of flights arrived +33 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 97 | 81% |
| 16-30 min | 8 | 7% |
| 31-60 min | 10 | 8% |
| 61-120 min | 3 | 3% |
| 2+ hrs | 2 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 17 | 76% | +3 min |
| 2025-08 | 23 | 78% | +4 min |
| 2025-09 | 30 | 87% | +2 min |
| 2025-10 | 30 | 80% | +4 min |
| 2025-11 | 19 | 84% | +13 min |
| 2025-12 | 1 | 0% | +51 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 22 | 77% |
| Tue | 22 | 77% |
| Wed | 11 | 82% |
| Thu | 21 | 90% |
| Fri | 19 | 74% |
| Sat | 10 | 80% |
| Sun | 15 | 87% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…