JetBlue Airways is the most reliable airline on the BDL to SJU route with a 64% on-time rate, compared to Frontier Airlines at 53%. Based on 2,439 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: BDL to SJU
Hartford to San Juan — airline reliability comparison
On-Time Rate by Airline
JetBlue Airways64%
Spirit Airlines60%
Frontier Airlines53%
BDL to SJU Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| JetBlue AirwaysB6Best | 64% | 1.2% | 83m | 2,439 |
| Spirit AirlinesNK | 60% | 3.5% | 83m | 86 |
| Frontier AirlinesF9Worst | 53% | 2.2% | 102m | 1,061 |
Route Overview
60%
Overall On-Time
91m
Avg Delay
1.6%
Cancel Rate
3,598
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.