Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Boise → San Diego via San Francisco: arrives on time 19%
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19:05 BOI → 19:58 SFOUA 649 · United · 1h 53m · 24% on time, 0.0% cancelled
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1h 02m layover in San Francisco (SFO) · 45 min minimum on one ticket
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21:00 SFO → 22:49 SANUA 1863 · United · 1h 49m · 79% on time, 0.0% cancelled
Total trip 4h 44m, scheduled departure to arrival (San Diego is 1 h behind Boise). Times are local. Both flew on 45 of the last 56 days.
Makes the connection25%The first flight arrived more than 17 minutes late on 75% of the days it flew: too late for the 45-minute minimum connection on a 1h 02m layover.
Arrives on time19%First flight not cancelled (0.0% are) × connection made (25%) × second flight not cancelled (0.0% are) and within 15 minutes (79%).
Total trip4h 44mBOI 19:05 to SAN 22:49, 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.