Chicago (ORD) to Roanoke (ROA): On-Time Performance
Data through July 2026
Chicago (ORD) to Roanoke (ROA) effectively runs on two schedules. In September 2024, 95% of arrivals were on time; in June 2025 that fell to 46% — a 49-point seasonal swing. Across the full period the route averages 71% on-time against a national 78%.
- On-time
- 71%
- arrived <15 min late
- Avg delay
- 19 min
- completed flights
- Cancelled
- 2.7%
- Flights/day
- 2.4
- last 12 months
- Duration
- 2h 1m
- scheduled
- Distance
- 530 mi
Best airline from ORD to ROA
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Republic Airwaysmost reliable | 71% | 21 min | 6.2% | 322 |
| SkyWest Airlines | 71% | 19 min | 1.8% | 1,209 |
Monthly on-time trend
Best time to fly from ORD to ROA
Aim for departures around 1 p.m. (82% on-time); avoid 2 p.m. departures (66%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 73% | 17 min |
| Tuesday | 76% | 18 min |
| Wednesdaybest | 78% | 15 min |
| Thursday | 66% | 24 min |
| Friday | 65% | 19 min |
| Saturday | 71% | 25 min |
| Sunday | 71% | 16 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft39%
- Airline operations38%
- National airspace system18%
- Weather5%
Frequently asked questions
- How often are flights from ORD to ROA delayed?
- 29% of ORD–ROA flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 19 minutes.
- Which airline is most reliable from ORD to ROA?
- Republic Airways has the best on-time record on this route at 71%, based on 322 flights. 2 airlines flew ORD–ROA frequently enough to compare in this period.
- What is the best time of day to fly from ORD to ROA?
- Departures around 1 p.m. have the best record (82% on-time), while departures around 2 p.m. have the worst (66%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from ORD to ROA?
- The scheduled ORD–ROA flight time averages 2h 1m over 530 miles. Actual arrival times vary — flights on this route land 15+ minutes late 29% of the time.
- How often are ORD to ROA flights cancelled?
- 2.7% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, slightly above the national rate of 1.6%.
- What is the worst month to fly from ORD to ROA?
- June 2025 was the roughest month in this dataset, with only 46% of arrivals on time. The best was September 2024 at 95%. If your dates are flexible, that 49-point gap is worth planning around.
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Based on 1,531 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.