Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Portland → Boise via San Francisco: arrives on time 12%
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11:16 PDX → 13:07 SFOUA 1613 · United · 1h 51m · 38% on time, 0.0% cancelled
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47m 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 4h 28m, scheduled departure to arrival (Boise is 1 h ahead of Portland). Times are local. Both flew on 37 of the last 56 days.
Makes the connection19%The first flight arrived more than 2 minutes late on 81% of the days it flew: too late for the 45-minute minimum connection on a 47m layover.
Arrives on time12%First flight not cancelled (0.0% are) × connection made (19%) × second flight not cancelled (0.0% are) and within 15 minutes (62%).
Total trip4h 28mPDX 11:16 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.