Flight OddsUA4171 ATW → ORD
United Airlines · Appleton, WI to Chicago, IL · 35 flights observed, 2026-05-21 to 2026-06-24 · 160 mi
UA4171 covers more than one route in the data window — the stats below are for ATW → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
52%
Median delay
+5 min
90th percentile
+69 min
Cancellation rate
6%
How often is UA4171 on time?
Across 35 flights on ATW → ORD from 2026-05-21 to 2026-06-24, UA4171 arrived within 15 minutes of schedule 52% of the time. The median arrival delay was +5 min, and the worst 10% of flights arrived +69 min or later. 6% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 17 | 52% |
| 16-30 min | 10 | 30% |
| 31-60 min | 1 | 3% |
| 61-120 min | 3 | 9% |
| 2+ hrs | 2 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-05 | 11 | 64% | +5 min |
| 2026-06 | 22 | 45% | +41 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 60% |
| Tue | 5 | 40% |
| Wed | 4 | 75% |
| Thu | 4 | 75% |
| Fri | 5 | 20% |
| Sat | 5 | 60% |
| Sun | 5 | 40% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…