Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Seattle → Miami via San Francisco: arrives on time 65%
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05:15 SEA → 07:35 SFOUA 5676 · United, flown by SkyWest · 2h 20m · 87% on time, 0.7% cancelled
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1h 05m layover in San Francisco (SFO) · 45 min minimum on one ticket
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08:40 SFO → 17:29 MIAUA 2029 · United · 5h 49m · 73% on time, 0.0% cancelled
Total trip 9h 14m, scheduled departure to arrival (Miami is 3 h ahead of Seattle). Times are local. Both flew on 37 of the last 56 days.
Makes the connection90%The first flight arrived more than 20 minutes late on 10% of the days it flew: too late for the 45-minute minimum connection on a 1h 05m layover.
Arrives on time65%First flight not cancelled (0.7% are) × connection made (90%) × second flight not cancelled (0.0% are) and within 15 minutes (73%).
Total trip9h 14mSEA 05:15 to MIA 17:29, 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.