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Showing Delta only (incl. its regional partners)All airlines ×
1,354 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: Delta’s LAX → SAN flights land within a few points of 84% on time whatever the hour.

Best time to leave 10–11 pm 90% arrive on time from LAX
Best single flight DL 3746 LAX 22:40 → SAN 23:40 · 87% on time Avoid DL 4001 LAX 14:11 → SAN 15:11 · 82% 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).

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% 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 3746flown by SkyWest LAX 22:40 SAN 23:40 87%
DL 4087flown by SkyWest LAX 18:15 SAN 19:16 84%
DL 4001flown by SkyWest LAX 14:11 SAN 15:11 82%

All 5 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 3716flown by SkyWest LAX 08:50 SAN 09:51 1h 02m 86 79% 0.0% 38 min
DL 3601flown by SkyWest LAX 14:05 SAN 14:57 52m 31 84% 0.0% 38 min
DL 4001flown by SkyWest LAX 14:11 SAN 15:11 1h 00m 278 82% 0.4% 53 min
DL 4087flown by SkyWest LAX 18:15 SAN 19:16 1h 01m 318 84% 0.6% 52 min
DL 3746flown by SkyWest LAX 22:40 SAN 23:40 1h 00m 362 87% 0.8% 57 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 SAN 1h 00m 84% 0.7% 1,354 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