American Airlines is the most reliable airline on the CLT to MIA route with a 76% on-time rate, compared to Frontier Airlines at 72%. Based on 11,235 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: CLT to MIA
Charlotte to Miami — airline reliability comparison
On-Time Rate by Airline
American Airlines76%
Spirit Airlines75%
Frontier Airlines72%
CLT to MIA Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| American AirlinesAABest | 76% | 1.2% | 72m | 11,235 |
| Spirit AirlinesNK | 75% | 2.4% | 75m | 1,237 |
| Frontier AirlinesF9Worst | 72% | 3.7% | 126m | 395 |
Route Overview
76%
Overall On-Time
75m
Avg Delay
1.4%
Cancel Rate
12,878
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.