Flight Check

BOI → SFO

BOI (Boise) to SFO (San Francisco)

BOI (Boise) to SFO (San Francisco) flights arrive on time 76% of the time. The most reliable airline on this route is United Airlines at 79%. The average delay is 78 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).

Source: Bureau of Transportation Statistics. Updated October 2026.

BOI → SFO on-time performance by month

24
25
26
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better

This route is on time most of the time. About 76% of flights arrive on schedule.

Delays on this route are most often caused by the airline (crew, maintenance, or boarding).

Accurate?

Airlines are roughly equal on this route — United Airlines leads slightly at 79% vs SkyWest Airlines at 76%.

Airline Comparison

United Airlines leads at 79% on time; SkyWest Airlines trails at 76%.

Accurate?

Good to know

Departing from BOI

83% on time

Expect ~17 min sitting on the taxiway after your gate pushes back. BOI has long runway queues.

TSA is currently ~22 min. Best time: 4 AM (about 5 min).

More about BOI →

Arriving at SFO

76% on time

When flights into SFO are late, the average delay is 69 minutes. Build buffer if you have ground plans.

If connecting at SFO: TSA is ~22 min right now. Allow at least 60 minutes for a domestic connection.

Flight cancelled or delayed?
Check what United Airlines owes you — refund rights, action plan, complaint email. Free.

Flying out of BOI? We'll brief you.

Delays, TSA, weather, gates — we'll let you know if something matters.

Free. No account needed.

Flying this route?

Enter your flight number for a personalized delay briefing.

Check your flight

Know someone flying soon?

Send them the link — delay data, TSA waits, weather, all free.

Data last updated October 2026. Source: Bureau of Transportation Statistics.