DL4715 JFK → STL

Delta Air Lines · New York, NY to St. Louis, MO · 47 flights observed, 2025-12-20 to 2026-06-06 · 892 mi

DL4715 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
82%
Median delay
-12 min
90th percentile
+41 min
Cancellation rate
4%

How often is DL4715 on time?

Across 47 flights on JFK → STL from 2025-12-20 to 2026-06-06, DL4715 arrived within 15 minutes of schedule 82% of the time. The median arrival delay was -12 min, and the worst 10% of flights arrived +41 min or later. 4% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time3782%
16-30 min37%
31-60 min24%
61-120 min24%
2+ hrs12%

Performance by month

MonthFlightsOn-timeAvg delay
2025-121182%-2 min
2026-01475%+27 min
2026-052479%+3 min
2026-066100%-21 min

Performance by day of week

DayFlightsOn-time
Mon667%
Tue683%
Wed580%
Thu786%
Fri683%
Sat8100%
Sun771%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…