Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
St Louis → Nashville via Chicago: arrives on time 84%
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09:08 STL → 10:36 ORDAA 4104 · American, flown by Envoy · 1h 28m · 94% on time, 0.0% cancelled
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1h 53m layover in Chicago (ORD) · 90 min minimum on separate tickets
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12:29 ORD → 14:14 BNAUA 3634 · United, flown by Republic · 1h 45m · 90% on time, 1.6% cancelled
Total trip 5h 06m, scheduled departure to arrival. Times are local. Both flew on 47 of the last 56 days.
Makes the connection95%The first flight arrived more than 23 minutes late on 5% of the days it flew: too late for the 90-minute minimum connection on a 1h 53m layover.
Arrives on time84%First flight not cancelled (0.0% are) × connection made (95%) × second flight not cancelled (1.6% are) and within 15 minutes (90%).
Total trip5h 06mSTL 09:08 to BNA 14:14, 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.