Showing Delta only (incl. its regional partners)All airlines ×

2,259 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: Delta’s LAX → SJC flights land within a few points of 9 in 10 on time whatever the hour.

Best time to leave 9–10 am 95% arrive on time from LAX

Best single flight DL 3842 LAX 12:57 → SJC 14:19 · 90% on time Avoid DL 1438 LAX 16:00 → SJC 17:17 · 87% 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).

LAX

% 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 3842flown by SkyWest	LAX 12:57	SJC 14:19	90%
DL 3883flown by SkyWest	LAX 18:16	SJC 19:32	88%
DL 1438	LAX 16:00	SJC 17:17	87%

All 11 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 4451flown by SkyWest	LAX 07:55	SJC 09:10	1h 15m	43	100%	0.0%	–
DL 3915flown by SkyWest	LAX 07:58	SJC 09:13	1h 15m	31	97%	0.0%	73 min
DL 2965	LAX 09:22	SJC 10:43	1h 21m	55	92%	3.6%	62 min
DL 1226	LAX 09:30	SJC 10:45	1h 15m	31	94%	0.0%	69 min
DL 3910flown by SkyWest	LAX 12:55	SJC 14:11	1h 16m	31	90%	0.0%	49 min
DL 3842flown by SkyWest	LAX 12:57	SJC 14:19	1h 22m	208	90%	0.0%	59 min
DL 3822flown by SkyWest	LAX 14:32	SJC 15:46	1h 14m	43	95%	0.0%	84 min
DL 2742	LAX 14:50	SJC 16:05	1h 15m	12	83%	0.0%	65 min
DL 1438	LAX 16:00	SJC 17:17	1h 17m	170	87%	1.8%	39 min
DL 3883flown by SkyWest	LAX 18:16	SJC 19:32	1h 19m	315	88%	0.0%	55 min
DL 3073	LAX 20:59	SJC 22:16	1h 17m	55	82%	0.0%	95 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	LAX	SJC	1h 16m	91%	0.8%	2,259	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