Flight OddsUA4609 ORD → GRB
United Airlines · Chicago, IL to Green Bay, WI · 112 flights observed, 2025-08-19 to 2026-05-20 · 173 mi
UA4609 covers more than one route in the data window — the stats below are for ORD → GRB, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
66%
Median delay
-4 min
90th percentile
+97 min
Cancellation rate
4%
How often is UA4609 on time?
Across 112 flights on ORD → GRB from 2025-08-19 to 2026-05-20, UA4609 arrived within 15 minutes of schedule 66% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +97 min or later. 4% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 71 | 66% |
| 16-30 min | 4 | 4% |
| 31-60 min | 16 | 15% |
| 61-120 min | 9 | 8% |
| 2+ hrs | 7 | 7% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 11 | 91% | -12 min |
| 2025-09 | 23 | 78% | -1 min |
| 2025-10 | 8 | 88% | -6 min |
| 2025-11 | 22 | 41% | +37 min |
| 2025-12 | 1 | 0% | +36 min |
| 2026-02 | 17 | 65% | +19 min |
| 2026-03 | 24 | 63% | +72 min |
| 2026-05 | 1 | 100% | -22 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 15 | 67% |
| Tue | 15 | 73% |
| Wed | 18 | 61% |
| Thu | 16 | 75% |
| Fri | 17 | 65% |
| Sat | 15 | 33% |
| Sun | 11 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…