Flight OddsUA4589 MLI → ORD
United Airlines · Moline, IL to Chicago, IL · 79 flights observed, 2025-07-01 to 2025-10-25 · 139 mi
UA4589 covers more than one route in the data window — the stats below are for MLI → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
81%
Median delay
-4 min
90th percentile
+27 min
Cancellation rate
1%
How often is UA4589 on time?
Across 79 flights on MLI → ORD from 2025-07-01 to 2025-10-25, UA4589 arrived within 15 minutes of schedule 81% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +27 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 63 | 81% |
| 16-30 min | 8 | 10% |
| 31-60 min | 1 | 1% |
| 61-120 min | 3 | 4% |
| 2+ hrs | 3 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 84% | +22 min |
| 2025-08 | 17 | 82% | +11 min |
| 2025-09 | 5 | 80% | +1 min |
| 2025-10 | 25 | 76% | +5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 11 | 82% |
| Tue | 11 | 82% |
| Wed | 11 | 82% |
| Thu | 11 | 82% |
| Fri | 12 | 75% |
| Sat | 12 | 75% |
| Sun | 10 | 90% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…