Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Sacramento → Boise via San Francisco: arrives on time 35%
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11:46 SMF → 12:53 SFOUA 5248 · United, flown by SkyWest · 1h 07m · 57% on time, 2.7% cancelled
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1h 01m layover in San Francisco (SFO) · 45 min minimum on one ticket
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13:54 SFO → 16:44 BOIUA 267 · United · 1h 50m · 62% on time, 0.0% cancelled
Total trip 3h 58m, scheduled departure to arrival (Boise is 1 h ahead of Sacramento). Times are local. Both flew on 56 of the last 56 days.
Makes the connection58%The first flight arrived more than 16 minutes late on 42% of the days it flew: too late for the 45-minute minimum connection on a 1h 01m layover.
Arrives on time35%First flight not cancelled (2.7% are) × connection made (58%) × second flight not cancelled (0.0% are) and within 15 minutes (62%).
Total trip3h 58mSMF 11:46 to BOI 16:44, layover included
Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.
Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.