UA4554 ORD → GRB
United Airlines · Chicago, IL to Green Bay, WI · 248 flights observed, 2025-07-01 to 2026-06-30 · 173 mi
UA4554 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
71%
Median delay
-1 min
90th percentile
+85 min
Cancellation rate
2%
How often is UA4554 on time?
Across 248 flights on ORD → GRB from 2025-07-01 to 2026-06-30, UA4554 arrived within 15 minutes of schedule 71% of the time. The median arrival delay was -1 min, and the worst 10% of flights arrived +85 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 | 174 | 71% |
| 16-30 min | 18 | 7% |
| 31-60 min | 18 | 7% |
| 61-120 min | 18 | 7% |
| 2+ hrs | 16 | 7% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 73% | +17 min |
| 2025-08 | 29 | 79% | -1 min |
| 2025-09 | 28 | 86% | +1 min |
| 2025-10 | 22 | 68% | +27 min |
| 2025-12 | 19 | 58% | +70 min |
| 2026-01 | 27 | 44% | +54 min |
| 2026-02 | 28 | 68% | +24 min |
| 2026-03 | 4 | 50% | +9 min |
| 2026-04 | 1 | 100% | -10 min |
| 2026-05 | 29 | 66% | +12 min |
| 2026-06 | 27 | 96% | -4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 31 | 81% |
| Tue | 37 | 78% |
| Wed | 38 | 68% |
| Thu | 34 | 74% |
| Fri | 37 | 68% |
| Sat | 35 | 77% |
| Sun | 32 | 53% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…