Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Seattle → Honolulu via San Francisco: arrives on time 45%
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13:30 SEA → 15:48 SFOUA 737 · United · 2h 18m · 56% on time, 0.6% cancelled
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57m layover in San Francisco (SFO) · 45 min minimum on one ticket
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16:45 SFO → 19:25 HNLUA 1509 · United · 5h 40m · 85% on time, 0.0% cancelled
Total trip 8h 55m, scheduled departure to arrival (Honolulu is 3 h behind Seattle). Times are local. Both flew on 56 of the last 56 days.
Makes the connection53%The first flight arrived more than 12 minutes late on 47% of the days it flew: too late for the 45-minute minimum connection on a 57m layover.
Arrives on time45%First flight not cancelled (0.6% are) × connection made (53%) × second flight not cancelled (0.0% are) and within 15 minutes (85%).
Total trip8h 55mSEA 13:30 to HNL 19:25, 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.