American Airlines is the most reliable airline on the SJU to CLT route with a 82% on-time rate, compared to Frontier Airlines at 52%. Based on 3,446 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: SJU to CLT
San Juan to Charlotte — airline reliability comparison
On-Time Rate by Airline
American Airlines82%
Frontier Airlines52%
SJU to CLT Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| American AirlinesAABest | 82% | 0.6% | 106m | 3,446 |
| Frontier AirlinesF9Worst | 52% | 2.3% | 55m | 189 |
Route Overview
80%
Overall On-Time
100m
Avg Delay
0.9%
Cancel Rate
3,692
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.