Route Reliability
New York → Chicago
LGA–MDW · 725 miles · LaGuardia Airport to Chicago Midway International Airport
- 73%
- Arrive within 15 minutes
- 14 min
- Average arrival delay
- 4.5%
- Cancelled
- 2,368
- Flights in the data
Data through May 2026.
Southwest Airlines is the only airline in this data on this route, arriving on time 73% of the time across 2,368 flights. No comparison to make.
What the data says
Morning-you made the right choice.
LGA–MDW flights departing between 6–9 AM arrived on time 87% of the time, versus 59% between 9 PM–12 AM.
Sunday scaries are real for this one.
LGA–MDW flights arrived on time 77% of the time on Wednesdays. On Sundays: 68%.
Keep a backup plan handy.
This route was cancelled 4.5% of the time. Typical for U.S. flights is around 1–2%.
Slipping a little lately.
LGA–MDW flights arrived on time 71% of the time over the last three months in the data, compared with 77% in the three months before that.
Flights on this route
The breakdown
- Mon71%(329 flights)
- Tue75%(343 flights)
- Wed77%(351 flights)
- Thu73%(342 flights)
- Fri73%(348 flights)
- Sat76%(220 flights)
- Sun68%(314 flights)
- 6–9 AM87%(404 flights)
- 9 AM–12 PM80%(584 flights)
- 12–3 PM77%(359 flights)
- 3–6 PM62%(468 flights)
- 6–9 PM60%(168 flights)
- 9 PM–12 AM59%(264 flights)
Jun 61% → May 68% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 61% | 190 |
| July 2025 | 68% | 182 |
| August 2025 | 83% | 199 |
| September 2025 | 88% | 195 |
| October 2025 | 63% | 199 |
| November 2025 | 71% | 177 |
| December 2025 | 59% | 192 |
| January 2026 | 89% | 189 |
| February 2026 | 84% | 167 |
| March 2026 | 67% | 171 |
| April 2026 | 77% | 193 |
| May 2026 | 68% | 193 |
Same trip, other airports
Keep nerding
Based on 2,368 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.