Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Denver → Boise via San Francisco: arrives on time 37%
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11:21 DEN → 13:04 SFOUA 1561 · United · 2h 43m · 72% on time, 0.0% cancelled
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50m 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 5h 23m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.
Makes the connection60%The first flight arrived more than 5 minutes late on 40% of the days it flew: too late for the 45-minute minimum connection on a 50m layover.
Arrives on time37%First flight not cancelled (0.0% are) × connection made (60%) × second flight not cancelled (0.0% are) and within 15 minutes (62%).
Total trip5h 23mDEN 11:21 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.