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Is Delta Air Lines on time New York to San Juan?
1,104 flights · January 2025 – August 2026 · all airlines on JFK to SJU →
78.8%
Arrived on time
Route average 71.15%
1.99%
Cancelled
Route average 2.63%
60 min
When late, late by
The other airlines on this route
| Airline | Flights | On time | Grade |
|---|---|---|---|
| JetBlue Airways | 2,232 | 69.45% | D |
| Frontier Airlines | 315 | 56.07% | F |
Month by month
Jul 2025
peak 88
Jun 2026