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Showing United only (incl. its regional partners)All airlines ×
1,093 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: United’s LAX → SAN flights land within a few points of 88% on time whatever the hour.

Best time to leave 4–5 pm 93% arrive on time from LAX
Best single flight UA 4643 LAX 09:00 → SAN 10:08 · 89% on time Avoid UA 5415 LAX 18:50 → SAN 19:51 · 86% 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.
UA 4643flown by SkyWest LAX 09:00 SAN 10:08 89%
UA 5415flown by SkyWest LAX 18:50 SAN 19:51 86%

All 3 United 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.
UA 4643flown by SkyWest LAX 09:00 SAN 10:08 1h 08m 365 89% 1.9% 67 min
UA 5415flown by SkyWest LAX 18:50 SAN 19:51 1h 01m 283 86% 2.1% 73 min
UA 594 LAX 22:56 SAN 23:54 58m 71 80% 0.0% 52 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.
United LAX SAN 1h 01m 88% 1.2% 1,093 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