Flight OddsDL5651 JFK → BOS
Delta Air Lines · New York, NY to Boston, MA · 171 flights observed, 2025-07-01 to 2025-12-19 · 187 mi
DL5651 covers more than one route in the data window — the stats below are for JFK → BOS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
58%
Median delay
+8 min
90th percentile
+109 min
Cancellation rate
7%
How often is DL5651 on time?
Across 171 flights on JFK → BOS from 2025-07-01 to 2025-12-19, DL5651 arrived within 15 minutes of schedule 58% of the time. The median arrival delay was +8 min, and the worst 10% of flights arrived +109 min or later. 7% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 92 | 58% |
| 16-30 min | 16 | 10% |
| 31-60 min | 11 | 7% |
| 61-120 min | 27 | 17% |
| 2+ hrs | 13 | 8% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 26 | 54% | +31 min |
| 2025-08 | 30 | 83% | -7 min |
| 2025-09 | 28 | 25% | +61 min |
| 2025-10 | 29 | 48% | +44 min |
| 2025-11 | 28 | 64% | +22 min |
| 2025-12 | 18 | 78% | +3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 22 | 50% |
| Tue | 24 | 54% |
| Wed | 23 | 57% |
| Thu | 21 | 52% |
| Fri | 25 | 56% |
| Sat | 23 | 83% |
| Sun | 21 | 52% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…