Chicago (ORD) to Roanoke (ROA): On-Time Performance
Data through May 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 73% on-time against a national 78%.
- On-time
- 73%
- arrived <15 min late
- Avg delay
- 19 min
- completed flights
- Cancelled
- 2.0%
- Flights/day
- 2.1
- last 12 months
- Duration
- 2h 1m
- scheduled
- Distance
- 530 mi
Best airline from ORD to ROA
2 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlinesmost reliable | 73% | 19 min | 1.2% | 1,147 |
| Republic Airways | 71% | 22 min | 5.4% | 261 |
Monthly on-time trend
Best time to fly from ORD to ROA
Aim for departures around 1 p.m. (82% on-time); avoid 8 p.m. departures (66%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 74% | 16 min |
| Tuesday | 76% | 24 min |
| Wednesdaybest | 80% | 15 min |
| Thursday | 67% | 24 min |
| Friday | 68% | 17 min |
| Saturday | 73% | 24 min |
| Sunday | 72% | 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 operations37%
- National airspace system16%
- Weather9%
Frequently asked questions
- How often are flights from ORD to ROA delayed?
- 27% of ORD–ROA flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 19 minutes.
- Which airline is most reliable from ORD to ROA?
- SkyWest Airlines has the best on-time record on this route at 73%, based on 1,147 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 8 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 27% of the time.
- How often are ORD to ROA flights cancelled?
- 2% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, 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 1,408 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.