Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Arcata/Eureka → Seattle via San Francisco: arrives on time 16%
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07:40 ACV → 08:56 SFOUA 4632 · United, flown by SkyWest · 1h 16m · 17% on time, 7.0% cancelled
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1h 19m layover in San Francisco (SFO) · 45 min minimum on one ticket
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10:15 SFO → 12:34 SEAUA 2192 · United · 2h 19m · 47% on time, 1.7% cancelled
Total trip 4h 54m, scheduled departure to arrival. Times are local. Both flew on 49 of the last 56 days.
Makes the connection36%The first flight arrived more than 34 minutes late on 64% of the days it flew: too late for the 45-minute minimum connection on a 1h 19m layover.
Arrives on time16%First flight not cancelled (7.0% are) × connection made (36%) × second flight not cancelled (1.7% are) and within 15 minutes (47%).
Total trip4h 54mACV 07:40 to SEA 12:34, 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.