Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
St Louis → Baltimore via Chicago: arrives on time 74%
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06:55 STL → 08:23 ORDAA 1926 · American · 1h 28m · 74% on time, 2.2% cancelled
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2h 28m layover in Chicago (ORD) · 90 min minimum on separate tickets
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10:51 ORD → 13:57 BWIUA 2653 · United · 2h 06m · 83% on time, 0.0% cancelled
Total trip 6h 02m, scheduled departure to arrival (Baltimore is 1 h ahead of St Louis). Times are local. Both flew on 31 of the last 56 days.
Makes the connection91%The first flight arrived more than 58 minutes late on 9% of the days it flew: too late for the 90-minute minimum connection on a 2h 28m layover.
Arrives on time74%First flight not cancelled (2.2% are) × connection made (91%) × second flight not cancelled (0.0% are) and within 15 minutes (83%).
Total trip6h 02mSTL 06:55 to BWI 13:57, 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.