Flight OddsUA4579 ORD → ATW
United Airlines · Chicago, IL to Appleton, WI · 137 flights observed, 2025-09-25 to 2026-03-04 · 160 mi
UA4579 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
65%
Median delay
-1 min
90th percentile
+140 min
Cancellation rate
1%
How often is UA4579 on time?
Across 137 flights on ORD → ATW from 2025-09-25 to 2026-03-04, UA4579 arrived within 15 minutes of schedule 65% of the time. The median arrival delay was -1 min, and the worst 10% of flights arrived +140 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 | 87 | 65% |
| 16-30 min | 7 | 5% |
| 31-60 min | 13 | 10% |
| 61-120 min | 11 | 8% |
| 2+ hrs | 15 | 11% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-09 | 6 | 100% | -13 min |
| 2025-10 | 29 | 66% | +36 min |
| 2025-11 | 27 | 59% | +53 min |
| 2025-12 | 15 | 73% | +23 min |
| 2026-01 | 26 | 58% | +37 min |
| 2026-02 | 27 | 63% | +19 min |
| 2026-03 | 3 | 100% | +3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 19 | 68% |
| Tue | 19 | 74% |
| Wed | 21 | 67% |
| Thu | 19 | 74% |
| Fri | 18 | 61% |
| Sat | 17 | 59% |
| Sun | 20 | 55% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…