Flight OddsUA5666 ATW → ORD
United Airlines · Appleton, WI to Chicago, IL · 16 flights observed, 2026-04-02 to 2026-04-27 · 160 mi
UA5666 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
64%
Median delay
+14 min
90th percentile
+21 min
Cancellation rate
31%
How often is UA5666 on time?
Across 16 flights on ATW → ORD from 2026-04-02 to 2026-04-27, UA5666 arrived within 15 minutes of schedule 64% of the time. The median arrival delay was +14 min, and the worst 10% of flights arrived +21 min or later. 31% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 7 | 64% |
| 16-30 min | 3 | 27% |
| 31-60 min | 0 | 0% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 1 | 9% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 11 | 64% | +18 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 2 | 50% |
| Tue | No data | — |
| Wed | No data | — |
| Thu | 3 | 67% |
| Fri | 2 | 50% |
| Sat | No data | — |
| Sun | 4 | 75% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…