Route · ROC → ORD · 2020–2025 BTS data
Rochester to Chicago
The ROC–ORD corridor (Rochester, NY → Chicago, IL) runs ahead of the national average, served by 32 carriers across roughly 528 miles.
Data updated 2026-06-13
- 81.5%
- On-time
- +2.5 pts
- vs US avg
- 80 min
- Delay when late
- 9,546
- Flights
Cancelled
1.3%
Best Month
Feb 2024 92%
Worst Month
Dec 2025 64%
Distance
528 mi
Carriers
32
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 194 | 69 | 6 | 0 | YX,MQ,UA |
| Nov 2025 | 225 | 55 | 9 | 0 | OO,UA,MQ,YX |
| Oct 2025 | 200 | 54 | 0 | 0 | OO,UA,YX,MQ |
| Sep 2025 | 206 | 40 | 1 | 0 | MQ,UA,OO,YX |
| Aug 2025 | 191 | 38 | 5 | 0 | OO,YX,MQ,UA |
| Jul 2025 | 201 | 61 | 2 | 0 | UA,YX,MQ |
| Jun 2025 | 182 | 45 | 2 | 0 | UA,YX,MQ |
| May 2025 | 194 | 33 | 1 | 1 | OO,UA,YX,MQ |
| Apr 2025 | 202 | 40 | 5 | 0 | MQ,OO,UA,YX |
| Mar 2025 | 178 | 28 | 1 | 0 | YX,OO,UA,MQ |
| Feb 2025 | 136 | 43 | 2 | 0 | UA,YX,MQ |
| Jan 2025 | 127 | 31 | 0 | 0 | YX,UA,MQ |
| Dec 2024 | 151 | 33 | 1 | 1 | MQ,UA,YX |
| Nov 2024 | 133 | 26 | 0 | 0 | UA,MQ,YX |
| Oct 2024 | 142 | 23 | 0 | 0 | UA,MQ |
| Sep 2024 | 149 | 18 | 0 | 0 | UA,MQ |
| Aug 2024 | 160 | 50 | 3 | 1 | MQ,OO,UA |
| Jul 2024 | 140 | 35 | 1 | 0 | MQ,OO,UA |
| Jun 2024 | 96 | 18 | 1 | 1 | MQ,UA |
| May 2024 | 142 | 31 | 1 | 0 | MQ,OO,UA |
| Apr 2024 | 139 | 15 | 0 | 0 | MQ,OO,UA,YX |
| Mar 2024 | 96 | 9 | 0 | 0 | MQ,OO,UA,YX |
| Feb 2024 | 120 | 10 | 0 | 0 | MQ,OO,UA,YX |
| Jan 2024 | 126 | 25 | 10 | 0 | MQ,YX,OO,UA |
Cancellation Rate
1.3%
51 of 3,830 flights
Diversion Rate
0.1%
4 of 3,830 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
ROC - Rochester
Full on-time, delay-cause, and seasonal performance for Rochester, NY.
Origin airport →ORD - Chicago
Full on-time, delay-cause, and seasonal performance for Chicago, IL.
Destination airport →Compare the two airports
See ROC and ORD side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to ROC–ORD.
Routes with a similar on-time rate
What the Data Says About ROC to ORD
9,546 tracked flights put the ROC to ORD pairing (Rochester to Chicago) at a 81.5% on-time rate, squarely in line with the wider network. Delays that do occur run 79.8 minutes on average. Across the 528-mile route and its 32 carriers, the trailing 24 months show 1.3% cancelled and 0.1% diverted (3,830 flights sampled).
The monthly split is wide on this route: Feb 2024 posted the strongest performance at 92% on-time, while Dec 2025 came in at just 64% - a 27-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from ROC to ORD? ▼
What is the cancellation rate for ROC to ORD? ▼
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Flight Guides
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Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.