Flight OddsDL1877 SJU → JFK
Delta Air Lines · San Juan, PR to New York, NY · 61 flights observed, 2025-10-06 to 2025-12-19 · 1,598 mi
DL1877 covers more than one route in the data window — the stats below are for SJU → JFK, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
87%
Median delay
-20 min
90th percentile
+26 min
Cancellation rate
0%
How often is DL1877 on time?
Across 61 flights on SJU → JFK from 2025-10-06 to 2025-12-19, DL1877 arrived within 15 minutes of schedule 87% of the time. The median arrival delay was -20 min, and the worst 10% of flights arrived +26 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 53 | 87% |
| 16-30 min | 3 | 5% |
| 31-60 min | 2 | 3% |
| 61-120 min | 1 | 2% |
| 2+ hrs | 2 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 20 | 85% | +3 min |
| 2025-11 | 22 | 86% | -12 min |
| 2025-12 | 19 | 89% | -13 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 9 | 78% |
| Tue | 9 | 100% |
| Wed | 9 | 89% |
| Thu | 9 | 78% |
| Fri | 9 | 89% |
| Sat | 8 | 100% |
| Sun | 8 | 75% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…