Flight OddsJFK → SJU Delta Air Lines
Delta Air Lines · New York, NY to San Juan, PR · 1,104 flights, 2025-07-01 to 2026-06-30 · aggregated across 5 flight numbers
On-time arrival
79%
Median delay
-10 min
90th percentile
+40 min
Cancellation rate
2%
How on-time is Delta Air Lines from JFK to SJU?
Across every Delta Air Lines flight number on JFK → SJU (1,104 flights, 2025-07-01 to 2026-06-30), 79% arrived within 15 minutes of schedule. Median arrival delay -10 min; the worst 10% ran +40 min or later. 2% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 856 | 79% |
| 16-30 min | 80 | 7% |
| 31-60 min | 74 | 7% |
| 61-120 min | 48 | 4% |
| 2+ hrs | 22 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 92 | 79% | +4 min |
| 2025-08 | 91 | 79% | -4 min |
| 2025-09 | 90 | 80% | -1 min |
| 2025-10 | 93 | 74% | +8 min |
| 2025-11 | 89 | 82% | -2 min |
| 2025-12 | 101 | 73% | +10 min |
| 2026-01 | 87 | 70% | +17 min |
| 2026-02 | 74 | 72% | +7 min |
| 2026-03 | 92 | 86% | -3 min |
| 2026-04 | 90 | 89% | -10 min |
| 2026-05 | 92 | 84% | -8 min |
| 2026-06 | 89 | 82% | -3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 152 | 82% |
| Tue | 155 | 82% |
| Wed | 155 | 83% |
| Thu | 157 | 71% |
| Fri | 154 | 85% |
| Sat | 153 | 78% |
| Sun | 154 | 73% |
DL flight numbers on JFK → SJU
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…