Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Antonio → Boston via Denver: arrives on time 84%
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05:40 SAT → 06:57 DENUA 1464 · United · 2h 19m · 93% on time, 0.0% cancelled
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2h 43m layover in Denver (DEN) · 45 min minimum on one ticket
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09:40 DEN → 15:44 BOSUA 1232 · United · 4h 04m · 86% on time, 1.0% cancelled
Total trip 9h 04m, scheduled departure to arrival (Boston is 1 h ahead of San Antonio). Times are local. Both flew on 55 of the last 56 days.
Makes the connection99%The first flight arrived more than 118 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 2h 43m layover.
Arrives on time84%First flight not cancelled (0.0% are) × connection made (99%) × second flight not cancelled (1.0% are) and within 15 minutes (86%).
Total trip9h 04mSAT 05:40 to BOS 15:44, layover included
Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.