Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Antonio → Dallas-Fort Worth via Houston: arrives on time 43%
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17:57 SAT → 19:04 IAHUA 2323 · United · 1h 07m · 67% on time, 0.0% cancelled
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55m layover in Houston (IAH) · 45 min minimum on one ticket
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19:59 IAH → 21:25 DFWUA 1949 · United · 1h 26m · 71% on time, 0.9% cancelled
Total trip 3h 28m, scheduled departure to arrival. Times are local. Both flew on 45 of the last 56 days.
Makes the connection61%The first flight arrived more than 10 minutes late on 39% of the days it flew: too late for the 45-minute minimum connection on a 55m layover.
Arrives on time43%First flight not cancelled (0.0% are) × connection made (61%) × second flight not cancelled (0.9% are) and within 15 minutes (71%).
Total trip3h 28mSAT 17:57 to DFW 21:25, 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.