Best Time to Fly ORD to ROA: On-Time Stats by Hour & Airline
Chicago O'Hare International → Roanoke Blacksburg Regional
Data through July 2026 · Last updated October 18, 2026
883 flights were scheduled from Chicago (ORD) to Roanoke (ROA) in the last 12 months, and 69.6% of those that flew arrived on time, 8.0 points below the US average of 77.6%.
Among 2 airlines, Republic Airways led with 71.9% on time and SkyWest Airlines was last with 68.4%.
Over 24 months, Wednesday was the most reliable day (80% on time) and December the worst month (57%).
The cancellation rate was 4.1% (US average 1.8%).
ORD to ROA on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Republic Airways | 71.9% | 72 min | 6.2% | 322 |
| SkyWest Airlines | 68.4% | 61 min | 2.9% | 561 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly ORD to ROA
On-time arrival % by scheduled departure hour (local time), 1,470 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | 70.7% | 0.5% | 208 |
| 8am–9am | Limited data | 11 | |
| 9am–10am | Limited data | 25 | |
| 11am–12pm | Limited data | 1 | |
| 1pm–2pm | 82.3% | 1.6% | 249 |
| 2pm–3pm | 65.8% | 1.3% | 232 |
| 5pm–6pm | 67.4% | 3.1% | 223 |
| 6pm–7pm | 75.2% | 2.7% | 221 |
| 7pm–8pm | 72.0% | 3.8% | 53 |
| 8pm–9pm | 67.8% | 6.2% | 129 |
| 9pm–10pm | 70.1% | 6.0% | 116 |
| 11pm–12am | Limited data | 2 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on ORD to ROA
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 28 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 61.5% | -13.6 pts | 1.1% | 94 |
| Summer peak (Jun 15 - Aug 15) | 61.2% | -13.9 pts | 3.5% | 283 |
| All other days | 75.2% | — | 2.4% | 1,065 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).