Rochester (RST) to Chicago (ORD): On-Time Performance
Data through May 2026
The biggest risk when flying RST to ORD isn't a late arrival — it's not departing at all. 3.1% of scheduled flights on this route were cancelled, several times the typical US rate. When flights do go, 69% land on time, below the national average of 78%. Envoy Air has been the safer pick, arriving on time 77% of the time.
- On-time
- 69%
- arrived <15 min late
- Avg delay
- 28 min
- completed flights
- Cancelled
- 3.1%
- Flights/day
- 2.9
- last 12 months
- Duration
- 1h 29m
- scheduled
- Distance
- 268 mi
Best airline from RST to ORD
2 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Envoy Airmost reliable | 77% | 17 min | 3.8% | 703 |
| SkyWest Airlines | 62% | 39 min | 2.6% | 777 |
Monthly on-time trend
Best time to fly from RST to ORD
Aim for departures around 5 a.m. (84% on-time); avoid 5 p.m. departures (37%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 66% | 33 min |
| Tuesdaybest | 74% | 25 min |
| Wednesday | 71% | 31 min |
| Thursday | 70% | 29 min |
| Friday | 62% | 32 min |
| Saturday | 73% | 22 min |
| Sunday | 71% | 25 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft25%
- Airline operations41%
- National airspace system19%
- Weather15%
Frequently asked questions
- How often are flights from RST to ORD delayed?
- 31% of RST–ORD 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 28 minutes.
- Which airline is most reliable from RST to ORD?
- Envoy Air has the best on-time record on this route at 77%, based on 703 flights. 2 airlines flew RST–ORD frequently enough to compare in this period.
- What is the best time of day to fly from RST to ORD?
- Departures around 5 a.m. have the best record (84% on-time), while departures around 5 p.m. have the worst (37%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from RST to ORD?
- The scheduled RST–ORD flight time averages 1h 29m over 268 miles. Actual arrival times vary — flights on this route land 15+ minutes late 31% of the time.
- How often are RST to ORD flights cancelled?
- 3.1% of scheduled flights on this route were cancelled between 2024-06 and 2026-05 — several times the typical US rate, so consider earlier departures or backup options.
- What is the worst month to fly from RST to ORD?
- December 2025 was the roughest month in this dataset, with only 45% of arrivals on time. The best was October 2024 at 88%. If your dates are flexible, that 43-point gap is worth planning around.
Explore related pages
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Based on 1,494 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.