Flight OddsUA3477 ORD → ROC
United Airlines · Chicago, IL to Rochester, NY · 31 flights observed, 2025-11-01 to 2025-12-01 · 528 mi
UA3477 covers more than one route in the data window — the stats below are for ORD → ROC, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
86%
Median delay
-11 min
90th percentile
+42 min
Cancellation rate
3%
How often is UA3477 on time?
Across 31 flights on ORD → ROC from 2025-11-01 to 2025-12-01, UA3477 arrived within 15 minutes of schedule 86% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +42 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 25 | 86% |
| 16-30 min | 0 | 0% |
| 31-60 min | 1 | 3% |
| 61-120 min | 1 | 3% |
| 2+ hrs | 2 | 7% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 28 | 86% | +4 min |
| 2025-12 | 1 | 100% | -20 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 80% |
| Tue | 4 | 100% |
| Wed | 4 | 75% |
| Thu | 4 | 100% |
| Fri | 4 | 100% |
| Sat | 4 | 75% |
| 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…