C
Is Delta Air Lines on time San Juan to Boston?
398 flights · January 2025 – August 2026 · all airlines on SJU to BOS →
78.41%
Arrived on time
Route average 71.84%
1.51%
Cancelled
Route average 2.75%
70 min
When late, late by
The other airlines on this route
| Airline | Flights | On time | Grade |
|---|---|---|---|
| JetBlue Airways | 1,415 | 69.93% | D |
| Spirit Airlines | 154 | 72.79% | D |
| Frontier Airlines | 34 | 69.7% | — |
Month by month
Jul 2025
peak 100
Jun 2026