Southwest Airlines is the most reliable airline on the AUS to CHS route with a 75% on-time rate. Based on 526 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: AUS to CHS
Austin to Charleston — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines75%
AUS to CHS Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 75% | 0.0% | 44m | 526 |
Route Overview
75%
Overall On-Time
45m
Avg Delay
0%
Cancel Rate
526
Total Flights
Flying out of AUS? 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.