Flight OddsUA4398 GRB → ORD
United Airlines · Green Bay, WI to Chicago, IL · 16 flights observed, 2026-04-03 to 2026-04-28 · 173 mi
UA4398 covers more than one route in the data window — the stats below are for GRB → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
79%
Median delay
-11 min
90th percentile
+47 min
Cancellation rate
13%
How often is UA4398 on time?
Across 16 flights on GRB → ORD from 2026-04-03 to 2026-04-28, UA4398 arrived within 15 minutes of schedule 79% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +47 min or later. 13% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 11 | 79% |
| 16-30 min | 1 | 7% |
| 31-60 min | 1 | 7% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 1 | 7% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 14 | 79% | +28 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 75% |
| Tue | 3 | 67% |
| Wed | No data | — |
| Thu | No data | — |
| Fri | 4 | 75% |
| Sat | 3 | 100% |
| Sun | No data | — |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…