Allegiant Air is the most reliable airline on the CVG to CHS route with a 71% on-time rate. Based on 140 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: CVG to CHS
Cincinnati to Charleston — airline reliability comparison
On-Time Rate by Airline
Allegiant Air71%
CVG to CHS Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Allegiant AirG4Best | 71% | 0.0% | 66m | 140 |
Route Overview
71%
Overall On-Time
65m
Avg Delay
0%
Cancel Rate
140
Total Flights
Flying out of CVG? 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.