Flight OddsDL1961 JFK → SJU
Delta Air Lines · New York, NY to San Juan, PR · 364 flights observed, 2025-07-01 to 2026-06-30 · 1,598 mi
DL1961 covers more than one route in the data window — the stats below are for JFK → SJU, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
86%
Median delay
-15 min
90th percentile
+32 min
Cancellation rate
1%
How often is DL1961 on time?
Across 364 flights on JFK → SJU from 2025-07-01 to 2026-06-30, DL1961 arrived within 15 minutes of schedule 86% of the time. The median arrival delay was -15 min, and the worst 10% of flights arrived +32 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 308 | 86% |
| 16-30 min | 14 | 4% |
| 31-60 min | 15 | 4% |
| 61-120 min | 14 | 4% |
| 2+ hrs | 9 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 87% | -4 min |
| 2025-08 | 31 | 81% | -1 min |
| 2025-09 | 30 | 90% | -8 min |
| 2025-10 | 31 | 84% | -2 min |
| 2025-11 | 29 | 86% | -6 min |
| 2025-12 | 31 | 81% | +9 min |
| 2026-01 | 29 | 76% | +22 min |
| 2026-02 | 26 | 81% | +2 min |
| 2026-03 | 31 | 81% | +5 min |
| 2026-04 | 30 | 90% | -9 min |
| 2026-05 | 31 | 97% | -20 min |
| 2026-06 | 30 | 93% | -13 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 51 | 94% |
| Tue | 52 | 88% |
| Wed | 52 | 90% |
| Thu | 51 | 76% |
| Fri | 52 | 83% |
| Sat | 51 | 80% |
| Sun | 51 | 86% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…