Flight OddsUA4578 ORD → ATW
United Airlines · Chicago, IL to Appleton, WI · 14 flights observed, 2026-05-02 to 2026-05-19 · 160 mi
UA4578 covers more than one route in the data window — the stats below are for ORD → ATW, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
64%
Median delay
+3 min
90th percentile
+122 min
Cancellation rate
0%
How often is UA4578 on time?
Across 14 flights on ORD → ATW from 2026-05-02 to 2026-05-19, UA4578 arrived within 15 minutes of schedule 64% of the time. The median arrival delay was +3 min, and the worst 10% of flights arrived +122 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 9 | 64% |
| 16-30 min | 0 | 0% |
| 31-60 min | 1 | 7% |
| 61-120 min | 2 | 14% |
| 2+ hrs | 2 | 14% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-05 | 14 | 64% | +35 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 3 | 67% |
| Tue | 3 | 33% |
| Wed | 1 | 100% |
| Thu | 2 | 50% |
| Fri | 2 | 50% |
| 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…