Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → Birmingham via Dallas-Fort Worth: arrives on time 13%
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18:20 ORD → 21:01 DFWAA 1559 · American · 2h 37m · 41% on time, 4.2% cancelled
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58m layover in Dallas-Fort Worth (DFW) · 45 min minimum on one ticket
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21:59 DFW → 23:46 BHMAA 3067 · American · 1h 47m · 37% on time, 5.8% cancelled
Total trip 5h 26m, scheduled departure to arrival. Times are local. Both flew on 53 of the last 56 days.
Makes the connection39%The first flight arrived more than 13 minutes late on 61% of the days it flew: too late for the 45-minute minimum connection on a 58m layover.
Arrives on time13%First flight not cancelled (4.2% are) × connection made (39%) × second flight not cancelled (5.8% are) and within 15 minutes (37%).
Total trip5h 26mORD 18:20 to BHM 23:46, 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.