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

No clear winner: Delta’s BOI → LAX flights land within a few points of 95% on time whatever the hour.

Best time to leave 7–8 am 97% arrive on time from BOI
Best single flight DL 3725 BOI 07:00 → LAX 08:28 · 96% 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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BOI
% 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 3725flown by SkyWest BOI 07:00 LAX 08:28 96%

All 3 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 3725flown by SkyWest BOI 07:00 LAX 08:28 2h 25m 224 96% 0.0% 76 min
DL 3673flown by SkyWest BOI 15:23 LAX 16:40 2h 17m 31 97% 0.0% 124 min
DL 3701flown by SkyWest BOI 16:00 LAX 17:25 2h 25m 78 88% 0.0% 125 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 BOI LAX 2h 25m 95% 0.2% 621 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