Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Sacramento → St Louis via Chicago: arrives on time 63%
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07:00 SMF → 13:10 ORDUA 2370 · United · 4h 10m · 87% on time, 3.2% cancelled
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1h 10m layover in Chicago (ORD) · 45 min minimum on one ticket
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14:20 ORD → 15:46 STLUA 2000 · United · 1h 26m · 68% on time, 0.0% cancelled
Total trip 6h 46m, scheduled departure to arrival (St Louis is 2 h ahead of Sacramento). Times are local. Both flew on 56 of the last 56 days.
Makes the connection96%The first flight arrived more than 25 minutes late on 4% of the days it flew: too late for the 45-minute minimum connection on a 1h 10m layover.
Arrives on time63%First flight not cancelled (3.2% are) × connection made (96%) × second flight not cancelled (0.0% are) and within 15 minutes (68%).
Total trip6h 46mSMF 07:00 to STL 15:46, 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.