Southwest Airlines is the most reliable airline on the CHS to HOU route with a 78% on-time rate. Based on 603 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: CHS to HOU
Charleston to Houston — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines78%
CHS to HOU Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 78% | 0.2% | 49m | 603 |
Route Overview
79%
Overall On-Time
49m
Avg Delay
0.3%
Cancel Rate
603
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.