Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → Chattanooga via Dallas-Fort Worth: arrives on time 26%
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16:51 ORD → 19:28 DFWAA 2988 · American · 2h 37m · 46% on time, 3.4% cancelled
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1h 45m layover in Dallas-Fort Worth (DFW) · 45 min minimum on one ticket
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21:13 DFW → 00:18 CHA +1 dayAA 426 · American · 2h 05m · 42% on time, 9.5% cancelled
Total trip 6h 27m, scheduled departure to arrival (Chattanooga is 1 h ahead of Chicago). Times are local. Both flew on 26 of the last 56 days.
Makes the connection71%The first flight arrived more than 60 minutes late on 29% of the days it flew: too late for the 45-minute minimum connection on a 1h 45m layover.
Arrives on time26%First flight not cancelled (3.4% are) × connection made (71%) × second flight not cancelled (9.5% are) and within 15 minutes (42%).
Total trip6h 27mORD 16:51 to CHA 00:18, 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.