Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Dulles → San Diego via Seattle: arrives on time 83%
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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 34m layover in Seattle (SEA) · 90 min minimum on separate tickets
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15:25 SEA → 18:13 SANDL 2613 · Delta · 2h 48m · 84% on time, 0.7% cancelled
Total trip 12h 13m, scheduled departure to arrival (San Diego is 3 h behind Dulles). Times are local. Both flew on 42 of the last 56 days.
Makes the connection100%The first flight arrived more than 124 minutes late on 0% of the days it flew: too late for the 90-minute minimum connection on a 3h 34m layover.
Arrives on time83%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (0.7% are) and within 15 minutes (84%).
Total trip12h 13mIAD 09:00 to SAN 18:13, 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.