Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
St Louis → Chicago via Dallas-Fort Worth: arrives on time 15%
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19:22 STL → 21:20 DFWAA 2491 · American · 1h 58m · 37% on time, 8.0% cancelled
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52m layover in Dallas-Fort Worth (DFW) · 45 min minimum on one ticket
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22:12 DFW → 00:50 ORD +1 dayAA 1193 · American · 2h 38m · 55% on time, 6.9% cancelled
Total trip 5h 28m, scheduled departure to arrival. Times are local. Both flew on 38 of the last 56 days.
Makes the connection32%The first flight arrived more than 7 minutes late on 68% of the days it flew: too late for the 45-minute minimum connection on a 52m layover.
Arrives on time15%First flight not cancelled (8.0% are) × connection made (32%) × second flight not cancelled (6.9% are) and within 15 minutes (55%).
Total trip5h 28mSTL 19:22 to ORD 00:50, layover included
Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.
Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.