Flight OddsUA5521 ORD → ATW
United Airlines · Chicago, IL to Appleton, WI · 48 flights observed, 2025-07-01 to 2025-08-17 · 160 mi
UA5521 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
50%
Median delay
+13 min
90th percentile
+104 min
Cancellation rate
4%
How often is UA5521 on time?
Across 48 flights on ORD → ATW from 2025-07-01 to 2025-08-17, UA5521 arrived within 15 minutes of schedule 50% of the time. The median arrival delay was +13 min, and the worst 10% of flights arrived +104 min or later. 4% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 23 | 50% |
| 16-30 min | 4 | 9% |
| 31-60 min | 8 | 17% |
| 61-120 min | 9 | 20% |
| 2+ hrs | 2 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 48% | +33 min |
| 2025-08 | 15 | 53% | +27 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 6 | 33% |
| Tue | 6 | 83% |
| Wed | 7 | 57% |
| Thu | 7 | 43% |
| Fri | 7 | 57% |
| Sat | 6 | 83% |
| Sun | 7 | 0% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…