Route
MDW → CHS
Chicago Midway International Airport Charleston International Airport
745 miles
Return route CHS → MDW →
How punctual is this route?
- On-time arrivals
- 75.1%
- Less than 15 minutes late
- Cancelled
- 1.1%
- Of scheduled flights
- Average delay when late
- 59 min
- Flights arriving 15+ minutes late
- Flights tracked
- 380
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 61%
- Airline (crew, maintenance, cleaning) 29%
- Air traffic control & airport 9%
- Security 1%
- Extreme weather 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 82.4% | 34 |
| October 2025 | 85.7% | 35 |
| November 2025 | 80.0% | 21 |
| December 2025 | 70.6% | 17 |
| January 2026 | 55.6% | 9 |
| February 2026 | 77.8% | 18 |
| March 2026 | 85.7% | 29 |
| April 2026 | 84.4% | 33 |
| May 2026 | 75.0% | 36 |
| June 2026 | 52.0% | 50 |
| July 2026 | 68.8% | 49 |
| August 2026 | 83.0% | 49 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Southwest Airlines | 380 | 75.1% | 1.1% | 59 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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