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2,447 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: airlines and hours on this route all land within a few points of 86% on time.

Best time to leave 4–5 pm 90% arrive on time from LAX
Best single flight UA 4643 LAX 09:00 → SAN 10:08 · 89% 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).

8
9
10
11
12
13
14
15
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19
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22
LAX
90
91
85
92
85
90
86
89
91
92
90
% 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
San Diego flights leaving LAX 10–11 pm: 2Close ×
DL 3746flown by SkyWest LAX 22:40 SAN 23:40 1h 00m 362 87% 0.8% 57 min
UA 594 LAX 22:56 SAN 23:54 58m 71 80% 0.0% 52 min

Airlines on this route

Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.
United (incl. SkyWest) 1,093 88% 1.2% 82 min
Delta (incl. SkyWest) 1,354 84% 0.7% 54 min

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.
UA 4643flown by SkyWest LAX 09:00 SAN 10:08 89%
DL 3746flown by SkyWest LAX 22:40 SAN 23:40 87%
UA 5415flown by SkyWest LAX 18:50 SAN 19:51 86%
DL 4087flown by SkyWest LAX 18:15 SAN 19:16 84%
DL 4001flown by SkyWest LAX 14:11 SAN 15:11 82%
All 8 flights on this route →

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.
United LAX SAN 1h 01m 88% 1.2% 1,093 Flying now
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