Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Dulles → Los Angeles via Seattle: arrives on time 84%
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09:00 IAD → 11:51 SEAUA 2101 · United · 5h 51m · 91% on time, 0.0% cancelled
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3h 04m layover in Seattle (SEA) · 90 min minimum on separate tickets
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14:55 SEA → 17:40 LAXDL 2830 · Delta · 2h 45m · 85% on time, 0.9% cancelled
Total trip 11h 40m, scheduled departure to arrival (Los Angeles is 3 h behind Dulles). Times are local. Both flew on 50 of the last 56 days.
Makes the connection100%The first flight arrived more than 94 minutes late on 0% of the days it flew: too late for the 90-minute minimum connection on a 3h 04m layover.
Arrives on time84%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (0.9% are) and within 15 minutes (85%).
Total trip11h 40mIAD 09:00 to LAX 17:40, 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.