Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Diego → St Louis via Chicago: arrives on time 93%
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22:25 SAN → 04:36 ORDUA 1457 · United · 4h 11m · 90% on time, 0.7% cancelled
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2h 29m layover in Chicago (ORD) · 90 min minimum on separate tickets
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07:05 ORD → 08:31 STL +1 dayAA 4104 · American, flown by Envoy · 1h 27m · 96% on time, 0.0% cancelled
Total trip 8h 07m, scheduled departure to arrival (St Louis is 2 h ahead of San Diego). Times are local. Both flew on 55 of the last 56 days.
Makes the connection98%The first flight arrived more than 59 minutes late on 2% of the days it flew: too late for the 90-minute minimum connection on a 2h 29m layover.
Arrives on time93%First flight not cancelled (0.7% are) × connection made (98%) × second flight not cancelled (0.0% are) and within 15 minutes (96%).
Total trip8h 07mSAN 22:25 to STL 08:31, 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.