American Airlines is the most reliable airline on the CLT to ONT route with a 70% on-time rate. Based on 1,153 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: CLT to ONT
Charlotte to Ontario — airline reliability comparison
On-Time Rate by Airline
American Airlines70%
CLT to ONT Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| American AirlinesAABest | 70% | 0.9% | 63m | 1,153 |
Route Overview
69%
Overall On-Time
63m
Avg Delay
1%
Cancel Rate
1,153
Total Flights
Flying out of CLT? 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.