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Showing Delta only (incl. its regional partners)All airlines ×
3,450 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: airports and hours on this route all land within a few points of 82% on time.

Best time to leave 7–8 am 90% arrive on time from LAX
Best single flight DL 979 LAX 07:00 → JFK 15:34 · 90% on time Avoid DL 939 LAX 12:15 → JFK 20:58 · 73% on time

Time of day × airport

Share of this route’s flights leaving within 15 minutes, by airport and scheduled departure hour, over Aug 2025 – Jul 2026. Blank: no flights then (or fewer than 40 in the year).

6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
LAX
88
88
83
81
74
68
51
76
72
73
79
77
81
84
SNA
88
% of this route’s flights leaving within 15 min (small number: flights in the Jun 6 – Jul 31, 2026 schedule): 85+75–8465–7455–64under 55

Pick an hour to see this route’s flights leaving then.

Flights, best and worst

Flights in the Jun 6 – Jul 31, 2026 schedule that ran 150+ times in the year. Times are local. Pick a flight for its history.
DL 979 LAX 07:00 JFK 15:34 90%
DL 934 LAX 06:00 JFK 14:30 89%
DL 915 LAX 23:55 JFK 08:30 86%
DL 960 LAX 21:10 JFK 05:25 86%
DL 958 LAX 08:30 JFK 17:25 83%
· · ·
DL 991 LAX 13:15 JFK 21:50 78%
DL 951 LAX 09:50 JFK 18:35 74%
DL 939 LAX 12:15 JFK 20:58 73%

All 12 Delta flights in the current schedule

Every flight that flew in the Jun 6 – Jul 31, 2026 schedule, with its record over Aug 2025 – Jul 2026. Times are local. Click a column to sort.
DL 934 LAX 06:00 JFK 14:30 5h 30m 365 89% 2.7% 106 min
DL 979 LAX 07:00 JFK 15:34 5h 34m 363 90% 3.0% 92 min
DL 958 LAX 08:30 JFK 17:25 5h 55m 364 83% 3.0% 99 min
DL 951 LAX 09:50 JFK 18:35 5h 45m 332 74% 2.1% 113 min
DL 972 LAX 11:20 JFK 19:59 5h 39m 85 67% 2.4% 113 min
DL 939 LAX 12:15 JFK 20:58 5h 43m 326 73% 1.8% 83 min
DL 991 LAX 13:15 JFK 21:50 5h 35m 323 78% 1.9% 119 min
DL 938 LAX 15:15 JFK 23:47 5h 32m 302 79% 1.7% 98 min
DL 556 SNA 21:00 JFK 05:23 5h 23m 86 89% 5.8% 225 min
DL 960 LAX 21:10 JFK 05:25 5h 15m 365 86% 2.2% 80 min
DL 676 LAX 22:45 JFK 07:04 5h 19m 172 81% 1.2% 41 min
DL 915 LAX 23:55 JFK 08:30 5h 35m 338 86% 2.1% 63 min

Nonstops by airline and airport

Arriving within 15 minutes, Aug 2025 – Jul 2026. Pick a row to see that airline’s flights on that airport pair.
Delta SNA JFK 5h 23m 89% 5.8% 86 Flying now
Delta LAX JFK 5h 35m 82% 2.2% 3,364 Flying now
Flying on a particular day? Pick a date above and the same ranking uses our forecast odds for each flight that day: Tomorrow.

About this data: US DOT on-time records, Aug 2025 – Jul 2026, all US airlines; regional flights count under the airline that sells them. Schedules (which flights and connections exist, and their times) are as of Jun 6 – Jul 31, 2026; seasonal flights outside that window aren’t ranked. Rebuilt monthly. JSON