Flight OddsJFK → ACK Delta Air Lines
Delta Air Lines · New York, NY to Nantucket, MA · 110 flights, 2025-07-01 to 2026-06-30 · aggregated across 1 flight number
On-time arrival
87%
Median delay
-26 min
90th percentile
+33 min
Cancellation rate
2%
How on-time is Delta Air Lines from JFK to ACK?
Across every Delta Air Lines flight number on JFK → ACK (110 flights, 2025-07-01 to 2026-06-30), 87% arrived within 15 minutes of schedule. Median arrival delay -26 min; the worst 10% ran +33 min or later. 2% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 93 | 87% |
| 16-30 min | 3 | 3% |
| 31-60 min | 3 | 3% |
| 61-120 min | 6 | 6% |
| 2+ hrs | 2 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 83% | -14 min |
| 2025-08 | 31 | 94% | -25 min |
| 2025-09 | 7 | 86% | -14 min |
| 2026-05 | 11 | 73% | +14 min |
| 2026-06 | 28 | 89% | -12 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 15 | 93% |
| Tue | 16 | 75% |
| Wed | 15 | 87% |
| Thu | 14 | 86% |
| Fri | 16 | 88% |
| Sat | 15 | 100% |
| Sun | 16 | 81% |
DL flight numbers on JFK → ACK
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…