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1,705 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 92% on time.

Best time to leave 8–9 am 95% arrive on time from BOI
Best single flight DL 3725 BOI 07:00 → LAX 08:28 · 96% on time Avoid UA 4730 BOI 07:00 → LAX 08:33 · 91% 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).

7
8
9
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BOI
95
97
89
92
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84
% 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
Los Angeles flights leaving BOI 8–9 am: 1Close ×
AS 3480flown by SkyWest BOI 08:03 LAX 09:30 2h 27m 325 95% 0.0% 59 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.
Delta (incl. SkyWest) 621 95% 0.2% 96 min
United (incl. SkyWest) 367 92% 0.0% 66 min
Alaska (incl. SkyWest, Horizon) 717 89% 0.4% 58 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.
DL 3725flown by SkyWest BOI 07:00 LAX 08:28 96%
AS 3480flown by SkyWest BOI 08:03 LAX 09:30 95%
UA 4730flown by SkyWest BOI 07:00 LAX 08:33 91%
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.
Delta BOI LAX 2h 25m 95% 0.2% 621 Flying now
United BOI LAX 2h 33m 92% 0.0% 367 Flying now
Alaska BOI LAX 2h 19m 89% 0.4% 717 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