Flight OddsDL5820 BOS → JFK
Delta Air Lines · Boston, MA to New York, NY · 170 flights observed, 2025-07-01 to 2025-12-19 · 187 mi
DL5820 covers more than one route in the data window — the stats below are for BOS → JFK, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
63%
Median delay
-5 min
90th percentile
+86 min
Cancellation rate
7%
How often is DL5820 on time?
Across 170 flights on BOS → JFK from 2025-07-01 to 2025-12-19, DL5820 arrived within 15 minutes of schedule 63% of the time. The median arrival delay was -5 min, and the worst 10% of flights arrived +86 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 | 99 | 63% |
| 16-30 min | 9 | 6% |
| 31-60 min | 23 | 15% |
| 61-120 min | 20 | 13% |
| 2+ hrs | 7 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 28 | 43% | +45 min |
| 2025-08 | 31 | 68% | +3 min |
| 2025-09 | 28 | 57% | +21 min |
| 2025-10 | 28 | 71% | +7 min |
| 2025-11 | 25 | 80% | -1 min |
| 2025-12 | 18 | 56% | +13 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 21 | 52% |
| Tue | 25 | 56% |
| Wed | 23 | 74% |
| Thu | 21 | 57% |
| Fri | 24 | 58% |
| Sat | 22 | 95% |
| Sun | 22 | 45% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…