Route Reliability
Rochester → Chicago
ROC–MDW · 523 miles · Frederick Douglass Greater Rochester International Airport to Chicago Midway International Airport
- 83%
- Arrive within 15 minutes
- 2 min
- Average arrival delay
- 1.2%
- Cancelled
- 431
- Flights in the data
Data through May 2026.
Southwest Airlines is the only airline in this data on this route, arriving on time 83% of the time across 431 flights. No comparison to make.
What the data says
Morning-you made the right choice.
ROC–MDW flights departing between 9 AM–12 PM arrived on time 100% of the time, versus 69% between 6–9 PM.
Mondays have been rough.
ROC–MDW flights arrived on time 91% of the time on Wednesdays and just 73% on Mondays. That gap is worth planning around.
Flights on this route
The breakdown
- Mon73%(63 flights)
- Tue87%(63 flights)
- Wed91%(63 flights)
- Thu84%(62 flights)
- Fri83%(64 flights)
- Sat90%(48 flights)
- Sun75%(63 flights)
- 6–9 AM92%(211 flights)
- 9 AM–12 PM100%(19 flights)
- 12–3 PM—(9 flights)
- 3–6 PM80%(30 flights)
- 6–9 PM69%(157 flights)
Jun 100% → May 84% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 100% | 26 |
| July 2025 | 77% | 30 |
| August 2025 | 97% | 31 |
| September 2025 | 93% | 30 |
| October 2025 | 94% | 31 |
| November 2025 | 89% | 27 |
| December 2025 | 76% | 29 |
| January 2026 | 69% | 26 |
| February 2026 | 82% | 27 |
| March 2026 | 66% | 56 |
| April 2026 | 82% | 56 |
| May 2026 | 84% | 57 |
Same trip, other airports
Keep nerding
Based on 431 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.