Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Antonio → Dulles via Denver: arrives on time 84%
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08:53 SAT → 10:11 DENUA 2853 · United · 2h 18m · 86% on time, 1.6% cancelled
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3h 42m layover in Denver (DEN) · 45 min minimum on one ticket
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13:53 DEN → 19:22 IADUA 347 · United · 3h 29m · 87% on time, 0.3% cancelled
Total trip 9h 29m, scheduled departure to arrival (Dulles is 1 h ahead of San Antonio). Times are local. Both flew on 56 of the last 56 days.
Makes the connection97%The first flight arrived more than 177 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 3h 42m layover.
Arrives on time84%First flight not cancelled (1.6% are) × connection made (97%) × second flight not cancelled (0.3% are) and within 15 minutes (87%).
Total trip9h 29mSAT 08:53 to IAD 19:22, 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.