Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Seattle → San Antonio via Chicago: arrives on time 84%
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23:11 SEA → 05:18 ORDUA 747 · United · 4h 07m · 86% on time, 0.3% cancelled
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4h 07m layover in Chicago (ORD) · 45 min minimum on one ticket
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09:25 ORD → 12:29 SAT +1 dayUA 490 · United · 3h 04m · 86% on time, 0.7% cancelled
Total trip 11h 18m, scheduled departure to arrival (San Antonio is 2 h ahead of Seattle). Times are local. Both flew on 37 of the last 56 days.
Makes the connection98%The first flight arrived more than 202 minutes late on 2% of the days it flew: too late for the 45-minute minimum connection on a 4h 07m layover.
Arrives on time84%First flight not cancelled (0.3% are) × connection made (98%) × second flight not cancelled (0.7% are) and within 15 minutes (86%).
Total trip11h 18mSEA 23:11 to SAT 12:29, 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.