Flight OddsDL4856 JFK → STL
Delta Air Lines · New York, NY to St. Louis, MO · 3 flights observed, 2025-09-08 to 2025-09-10 · 892 mi
DL4856 covers more than one route in the data window — the stats below are for JFK → STL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
100%
Median delay
-23 min
90th percentile
-19 min
Cancellation rate
0%
How often is DL4856 on time?
Across 3 flights on JFK → STL from 2025-09-08 to 2025-09-10, DL4856 arrived within 15 minutes of schedule 100% of the time. The median arrival delay was -23 min, and the worst 10% of flights arrived -19 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 | 3 | 100% |
| 16-30 min | 0 | 0% |
| 31-60 min | 0 | 0% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-09 | 3 | 100% | -21 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 1 | 100% |
| Tue | 1 | 100% |
| Wed | 1 | 100% |
| Thu | No data | — |
| Fri | No data | — |
| Sat | No data | — |
| Sun | No data | — |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…