Southwest Airlines is the most reliable airline on the CHS to MDW route with a 86% on-time rate. Based on 1,610 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: CHS to MDW
Charleston to Chicago — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines86%
CHS to MDW Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 86% | 0.9% | 53m | 1,610 |
Route Overview
86%
Overall On-Time
53m
Avg Delay
0.9%
Cancel Rate
1,610
Total Flights
Flying out of CHS? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.