SkyWest Airlines is the most reliable airline on the CHS to IAH route with a 80% on-time rate, compared to United Airlines at 78%. Based on 80 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: CHS to IAH
Charleston to Houston — airline reliability comparison
On-Time Rate by Airline
SkyWest Airlines80%
United Airlines78%
CHS to IAH Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| SkyWest AirlinesOOBest | 80% | 5.6% | 49m | 80 |
| United AirlinesUAWorst | 78% | 2.0% | 85m | 999 |
Route Overview
78%
Overall On-Time
83m
Avg Delay
2.4%
Cancel Rate
1,090
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.