Rochester (RST) to Chicago (ORD): On-Time Performance
Data through July 2026
The biggest risk when flying RST to ORD isn't a late arrival — it's not departing at all. 3.4% 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 76% of the time.
- On-time
- 69%
- arrived <15 min late
- Avg delay
- 30 min
- completed flights
- Cancelled
- 3.4%
- Flights/day
- 2.9
- last 12 months
- Duration
- 1h 30m
- scheduled
- Distance
- 268 mi
Best airline from RST to ORD
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Envoy Airmost reliable | 76% | 19 min | 3.5% | 764 |
| SkyWest Airlines | 62% | 40 min | 3.3% | 887 |
Monthly on-time trend
Best time to fly from RST to ORD
Aim for departures around 6 a.m. (80% on-time); avoid 5 p.m. departures (37%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 64% | 38 min |
| Tuesdaybest | 73% | 25 min |
| Wednesday | 71% | 31 min |
| Thursday | 70% | 29 min |
| Friday | 62% | 31 min |
| Saturday | 72% | 28 min |
| Sunday | 68% | 28 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft23%
- Airline operations44%
- National airspace system19%
- Weather14%
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 2024-07 and 2026-07. The average arrival delay across completed flights was 30 minutes.
- Which airline is most reliable from RST to ORD?
- Envoy Air has the best on-time record on this route at 76%, based on 764 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 6 a.m. have the best record (80% 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 30m 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?
- 3.4% of scheduled flights on this route were cancelled between 2024-07 and 2026-07 — 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.
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Based on 1,665 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.