Southwest Airlines is the most reliable airline on the CHS to AUS route with a 74% on-time rate. Based on 526 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: CHS to AUS
Charleston to Austin — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines74%
CHS to AUS Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 74% | 0.0% | 42m | 526 |
Route Overview
72%
Overall On-Time
43m
Avg Delay
0%
Cancel Rate
526
Total Flights
Flying out of CHS? We'll brief you.
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Data last updated October 2026. Source: Bureau of Transportation Statistics.