Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Boise → Atlanta via San Francisco: arrives on time 32%
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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 22m layover in San Francisco (SFO) · 45 min minimum on one ticket
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21:20 SFO → 05:20 ATL +1 dayUA 1603 · United · 5h 00m · 85% on time, 0.7% cancelled
Total trip 8h 15m, scheduled departure to arrival (Atlanta is 2 h ahead of Boise). Times are local. Both flew on 52 of the last 56 days.
Makes the connection38%The first flight arrived more than 37 minutes late on 62% of the days it flew: too late for the 45-minute minimum connection on a 1h 22m layover.
Arrives on time32%First flight not cancelled (0.0% are) × connection made (38%) × second flight not cancelled (0.7% are) and within 15 minutes (85%).
Total trip8h 15mBOI 19:05 to ATL 05:20, 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.