Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Antonio → Boston via Denver: arrives on time 80%
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05:40 SAT → 06:57 DENUA 1464 · United · 2h 19m · 93% on time, 0.0% cancelled
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48m layover in Denver (DEN) · 45 min minimum on one ticket
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07:45 DEN → 13:49 BOSUA 558 · United · 4h 04m · 91% on time, 0.6% cancelled
Total trip 7h 09m, 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 connection88%The first flight arrived more than 3 minutes late on 12% of the days it flew: too late for the 45-minute minimum connection on a 48m layover.
Arrives on time80%First flight not cancelled (0.0% are) × connection made (88%) × second flight not cancelled (0.6% are) and within 15 minutes (91%).
Total trip7h 09mSAT 05:40 to BOS 13:49, 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.