Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Seattle → Detroit via Houston: arrives on time 89%
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23:49 SEA → 06:10 IAHUA 2379 · United · 4h 21m · 84% on time, 0.4% cancelled
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3h 35m layover in Houston (IAH) · 45 min minimum on one ticket
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09:45 IAH → 13:42 DTW +1 dayUA 4064 · United, flown by Mesa · 2h 57m · 90% on time, 0.0% cancelled
Total trip 10h 53m, scheduled departure to arrival (Detroit is 3 h ahead of Seattle). Times are local. Both flew on 38 of the last 56 days.
Makes the connection100%The first flight arrived more than 170 minutes late on <1% of the days it flew: too late for the 45-minute minimum connection on a 3h 35m layover.
Arrives on time89%First flight not cancelled (0.4% are) × connection made (100%) × second flight not cancelled (0.0% are) and within 15 minutes (90%).
Total trip10h 53mSEA 23:49 to DTW 13:42, 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.