Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → Billings via Dallas-Fort Worth: arrives on time 70%
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14:45 ORD → 17:27 DFWAA 2429 · American · 2h 41m · 73% on time, 0.0% cancelled
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3h 48m layover in Dallas-Fort Worth (DFW) · 45 min minimum on one ticket
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21:15 DFW → 23:13 BILAA 3937 · American, flown by Envoy · 2h 58m · 78% on time, 1.5% cancelled
Total trip 9h 28m, scheduled departure to arrival (Billings is 1 h behind Chicago). Times are local. Both flew on 0 of the last 56 days, too few to list among the best connections.
Makes the connection91%The first flight arrived more than 183 minutes late on 9% of the days it flew: too late for the 45-minute minimum connection on a 3h 48m layover.
Arrives on time70%First flight not cancelled (0.0% are) × connection made (91%) × second flight not cancelled (1.5% are) and within 15 minutes (78%).
Total trip9h 28mORD 14:45 to BIL 23:13, 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.