Flight OddsROA → ORD United Airlines
United Airlines · Roanoke, VA to Chicago, IL · 1,132 flights, 2025-07-01 to 2026-06-30 · aggregated across 34 flight numbers
On-time arrival
75%
Median delay
-5 min
90th percentile
+95 min
Cancellation rate
3%
How on-time is United Airlines from ROA to ORD?
Across every United Airlines flight number on ROA → ORD (1,132 flights, 2025-07-01 to 2026-06-30), 75% arrived within 15 minutes of schedule. Median arrival delay -5 min; the worst 10% ran +95 min or later. 3% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 812 | 75% |
| 16-30 min | 74 | 7% |
| 31-60 min | 56 | 5% |
| 61-120 min | 60 | 6% |
| 2+ hrs | 87 | 8% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 74 | 70% | +25 min |
| 2025-08 | 78 | 73% | +25 min |
| 2025-09 | 86 | 77% | +10 min |
| 2025-10 | 93 | 78% | +10 min |
| 2025-11 | 84 | 81% | +22 min |
| 2025-12 | 89 | 62% | +41 min |
| 2026-01 | 86 | 72% | +40 min |
| 2026-02 | 82 | 80% | +7 min |
| 2026-03 | 81 | 69% | +35 min |
| 2026-04 | 128 | 80% | +29 min |
| 2026-05 | 120 | 76% | +20 min |
| 2026-06 | 88 | 73% | +15 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 159 | 79% |
| Tue | 155 | 72% |
| Wed | 156 | 76% |
| Thu | 158 | 77% |
| Fri | 161 | 67% |
| Sat | 146 | 76% |
| Sun | 154 | 75% |
UA flight numbers on ROA → ORD
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…