JetBlue Airways is the most reliable airline on the SJU to BUF route with a 84% on-time rate. Based on 70 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: SJU to BUF
San Juan to Buffalo — airline reliability comparison
On-Time Rate by Airline
JetBlue Airways84%
SJU to BUF Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| JetBlue AirwaysB6Best | 84% | 1.4% | 83m | 70 |
Route Overview
84%
Overall On-Time
84m
Avg Delay
1.4%
Cancel Rate
70
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.