UA4430 ROC → ORD
United Airlines · Rochester, NY to Chicago, IL · 25 flights observed, 2025-08-21 to 2026-03-27 · 528 mi
UA4430 covers more than one route in the data window — the stats below are for ROC → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
39%
Median delay
+31 min
90th percentile
+205 min
Cancellation rate
8%
How often is UA4430 on time?
Across 25 flights on ROC → ORD from 2025-08-21 to 2026-03-27, UA4430 arrived within 15 minutes of schedule 39% of the time. The median arrival delay was +31 min, and the worst 10% of flights arrived +205 min or later. 8% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 9 | 39% |
| 16-30 min | 2 | 9% |
| 31-60 min | 5 | 22% |
| 61-120 min | 2 | 9% |
| 2+ hrs | 5 | 22% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 5 | 60% | +15 min |
| 2026-03 | 18 | 33% | +79 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 50% |
| Tue | 3 | 33% |
| Wed | 3 | 67% |
| Thu | 6 | 33% |
| Fri | 6 | 33% |
| Sat | No data | — |
| Sun | 1 | 0% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…