Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → San Diego via Seattle: arrives on time 81%
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07:00 ORD → 09:40 SEAUA 341 · United · 4h 40m · 89% on time, 0.0% cancelled
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2h 25m layover in Seattle (SEA) · 90 min minimum on separate tickets
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12:05 SEA → 15:04 SANDL 2572 · Delta · 2h 59m · 82% on time, 1.4% cancelled
Total trip 10h 04m, scheduled departure to arrival (San Diego is 2 h behind Chicago). Times are local. Both flew on 56 of the last 56 days.
Makes the connection100%The first flight arrived more than 55 minutes late on 0% of the days it flew: too late for the 90-minute minimum connection on a 2h 25m layover.
Arrives on time81%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (1.4% are) and within 15 minutes (82%).
Total trip10h 04mORD 07:00 to SAN 15:04, 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.