1,827 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 86% depart on time. After 4 pm it’s 3 in 5.

Best time to leave 6–7 am 95% arrive on time from BOI

Best single flight UA 4678 BOI 06:30 → SFO 07:30 · 90% on time Avoid AS 3025 BOI 10:52 → SFO 11:49 · 60% 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).

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

San Francisco flights leaving BOI 7–8 pm: 1Close ×


UA 649	BOI 19:05	SFO 19:58	1h 53m	72	24%	0.0%	111 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)	1,466	71%	0.4%	85 min
Alaska (incl. SkyWest, Horizon)	361	64%	1.1%	63 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 4678flown by SkyWest	BOI 06:30	SFO 07:30	90%
UA 4733flown by SkyWest	BOI 10:35	SFO 11:35	66%
AS 3025flown by SkyWest	BOI 10:52	SFO 11:49	60%

All 6 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	BOI	SFO	2h 00m	71%	0.4%	1,466	Flying now
Alaska	BOI	SFO	1h 57m	64%	1.1%	361	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