DL939 LAX → JFK

Delta Air Lines · Los Angeles, CA to New York, NY · 322 flights observed, 2025-07-01 to 2026-06-30 · 2,475 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is -7 min, while the worst 10% run +66 min or later.
On-time arrival
73%
Median delay
-7 min
90th percentile
+66 min
Cancellation rate
1%

How often is DL939 on time?

Across 322 flights on LAX → JFK from 2025-07-01 to 2026-06-30, DL939 arrived within 15 minutes of schedule 73% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +66 min or later. 1% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time23273%
16-30 min206%
31-60 min299%
61-120 min206%
2+ hrs175%

Performance by month

MonthFlightsOn-timeAvg delay
2025-072763%+15 min
2025-082673%+8 min
2025-092692%-10 min
2025-102789%-3 min
2025-112576%+22 min
2025-122568%+16 min
2026-013060%+23 min
2026-022483%-10 min
2026-032861%+12 min
2026-042879%+1 min
2026-052370%+27 min
2026-062966%+23 min

Performance by day of week

DayFlightsOn-time
Mon4969%
Tue5381%
Wed5271%
Thu5171%
Fri4982%
Sat1867%
Sun4665%

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