Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → San Francisco via Los Angeles: arrives on time 75%
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12:02 ORD → 14:28 LAXAA 2718 · American · 4h 21m · 73% on time, 2.8% cancelled
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2h 42m 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 8h 36m, scheduled departure to arrival (San Francisco is 2 h behind Chicago). Times are local. Both flew on 49 of the last 56 days.
Makes the connection93%The first flight arrived more than 72 minutes late on 7% of the days it flew: too late for the 90-minute minimum connection on a 2h 42m layover.
Arrives on time75%First flight not cancelled (2.8% are) × connection made (93%) × second flight not cancelled (0.0% are) and within 15 minutes (83%).
Total trip8h 36mORD 12:02 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.