Flight OddsROC → ORD United Airlines
United Airlines · Rochester, NY to Chicago, IL · 1,315 flights, 2025-07-01 to 2026-06-30 · aggregated across 48 flight numbers
On-time arrival
73%
Median delay
-1 min
90th percentile
+79 min
Cancellation rate
2%
How on-time is United Airlines from ROC to ORD?
Across every United Airlines flight number on ROC → ORD (1,315 flights, 2025-07-01 to 2026-06-30), 73% arrived within 15 minutes of schedule. Median arrival delay -1 min; the worst 10% ran +79 min or later. 2% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 944 | 73% |
| 16-30 min | 111 | 9% |
| 31-60 min | 79 | 6% |
| 61-120 min | 73 | 6% |
| 2+ hrs | 82 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 118 | 69% | +32 min |
| 2025-08 | 114 | 79% | +14 min |
| 2025-09 | 116 | 84% | +3 min |
| 2025-10 | 120 | 73% | +15 min |
| 2025-11 | 109 | 72% | +27 min |
| 2025-12 | 92 | 64% | +36 min |
| 2026-01 | 88 | 60% | +48 min |
| 2026-02 | 90 | 68% | +17 min |
| 2026-03 | 88 | 65% | +29 min |
| 2026-04 | 113 | 75% | +41 min |
| 2026-05 | 123 | 80% | +6 min |
| 2026-06 | 118 | 80% | +17 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 188 | 76% |
| Tue | 193 | 77% |
| Wed | 188 | 72% |
| Thu | 187 | 73% |
| Fri | 188 | 71% |
| Sat | 162 | 77% |
| Sun | 183 | 67% |
UA flight numbers on ROC → ORD
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…