JetBlue Airways is the most reliable airline on the BUF to SJU route with a 86% on-time rate. Based on 70 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: BUF to SJU
Buffalo to San Juan — airline reliability comparison
On-Time Rate by Airline
JetBlue Airways86%
BUF to SJU Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| JetBlue AirwaysB6Best | 86% | 1.4% | 59m | 70 |
Route Overview
86%
Overall On-Time
60m
Avg Delay
1.4%
Cancel Rate
70
Total Flights
Flying out of BUF? 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.