Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Seattle → San Francisco via Los Angeles: arrives on time 80%
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11:03 SEA → 14:01 LAXF9 1178 · Frontier · 2h 58m · 83% on time, 1.5% cancelled
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3h 09m layover in Los Angeles (LAX) · 90 min minimum on separate tickets
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17:10 LAX → 18:38 SFOUA 233 · United · 1h 28m · 83% on time, 0.0% cancelled
Total trip 7h 35m, scheduled departure to arrival. Times are local. Both flew on 49 of the last 56 days.
Makes the connection98%The first flight arrived more than 99 minutes late on 2% of the days it flew: too late for the 90-minute minimum connection on a 3h 09m layover.
Arrives on time80%First flight not cancelled (1.5% are) × connection made (98%) × second flight not cancelled (0.0% are) and within 15 minutes (83%).
Total trip7h 35mSEA 11:03 to SFO 18:38, 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.