Route · MDW → ROC · 2020–2025 BTS data
Chicago to Rochester
The MDW–ROC corridor (Chicago, IL → Rochester, NY) runs behind the national average, served by 1 carrier across roughly 523 miles.
Data updated 2026-06-13
- 69.5%
- On-time
- -9.5 pts
- vs US avg
- 58 min
- Delay when late
- 1,361
- Flights
Cancelled
2.1%
Best Month
Oct 2023 83%
Worst Month
Jul 2023 54%
Distance
523 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Oct 2025 | 31 | 5 | 0 | 0 | WN |
| Sep 2025 | 30 | 6 | 0 | 0 | WN |
| Aug 2025 | 31 | 9 | 1 | 0 | WN |
| Jul 2025 | 31 | 10 | 1 | 0 | WN |
| Sep 2024 | 38 | 6 | 0 | 0 | WN |
| Aug 2024 | 41 | 12 | 1 | 0 | WN |
| Jul 2024 | 62 | 21 | 0 | 0 | WN |
| Jun 2024 | 58 | 17 | 0 | 0 | WN |
| May 2024 | 45 | 28 | 0 | 0 | WN |
| Apr 2024 | 38 | 16 | 0 | 0 | WN |
| Jan 2024 | 30 | 12 | 2 | 0 | WN |
| Nov 2023 | 31 | 1 | 0 | 0 | WN |
| Oct 2023 | 53 | 9 | 0 | 0 | WN |
| Sep 2023 | 53 | 17 | 0 | 0 | WN |
| Aug 2023 | 56 | 14 | 0 | 0 | WN |
| Jul 2023 | 52 | 24 | 0 | 0 | WN |
| Jun 2023 | 52 | 11 | 0 | 0 | WN |
| May 2023 | 54 | 15 | 0 | 0 | WN |
| Apr 2023 | 50 | 14 | 0 | 0 | WN |
| Mar 2023 | 54 | 10 | 2 | 0 | WN |
| Feb 2023 | 48 | 8 | 0 | 0 | WN |
| Jan 2023 | 54 | 11 | 2 | 0 | WN |
| Dec 2022 | 57 | 13 | 14 | 0 | WN |
| Nov 2022 | 56 | 16 | 0 | 1 | WN |
Cancellation Rate
2.1%
23 of 1,105 flights
Diversion Rate
0.1%
1 of 1,105 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
MDW - Chicago
Full on-time, delay-cause, and seasonal performance for Chicago, IL.
Origin airport →ROC - Rochester
Full on-time, delay-cause, and seasonal performance for Rochester, NY.
Destination airport →Compare the two airports
See MDW and ROC side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to MDW–ROC.
Routes with a similar on-time rate
Routes of a similar trip length
What the Data Says About MDW to ROC
On-time performance on the MDW to ROC pairing (Chicago to Rochester) trails a chunk of the network: 69.5% of 1,361 tracked flights arrived on schedule, with a 57.9-minute average delay on the ones that ran late. The route spans about 523 miles across 1 carrier. Cancellations over the trailing 24 months hit 2.1% (23 of 1,105 flights), with 0.1% diverted.
The monthly split is wide on this route: Oct 2023 posted the strongest performance at 83% on-time, while Jul 2023 came in at just 54% - a 29-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from MDW to ROC? ▼
What is the cancellation rate for MDW to ROC? ▼
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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.