Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Seattle → Columbus via Houston: arrives on time 78%
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05:00 SEA → 11:21 IAHUA 2748 · United · 4h 21m · 89% on time, 0.0% cancelled
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54m layover in Houston (IAH) · 45 min minimum on one ticket
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12:15 IAH → 16:05 CMHUA 4072 · United, flown by Mesa · 2h 50m · 89% on time, 0.0% cancelled
Total trip 8h 05m, scheduled departure to arrival (Columbus is 3 h ahead of Seattle). Times are local. Both flew on 35 of the last 56 days.
Makes the connection88%The first flight arrived more than 9 minutes late on 12% of the days it flew: too late for the 45-minute minimum connection on a 54m layover.
Arrives on time78%First flight not cancelled (0.0% are) × connection made (88%) × second flight not cancelled (0.0% are) and within 15 minutes (89%).
Total trip8h 05mSEA 05:00 to CMH 16:05, 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.