Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Billings → Chicago via Dallas-Fort Worth: arrives on time 73%
-
06:00 BIL → 09:55 DFWAA 3746 · American, flown by Envoy · 2h 55m · 91% on time, 0.3% cancelled
-
3h 24m layover in Dallas-Fort Worth (DFW) · 90 min minimum on separate tickets
-
13:19 DFW → 15:59 ORDF9 1342 · Frontier · 2h 43m · 75% on time, 1.6% cancelled
Total trip 9h 02m, scheduled departure to arrival (Chicago is 1 h ahead of Billings). Times are local. Both flew on 48 of the last 56 days.
Makes the connection98%The first flight arrived more than 114 minutes late on 2% of the days it flew: too late for the 90-minute minimum connection on a 3h 24m layover.
Arrives on time73%First flight not cancelled (0.3% are) × connection made (98%) × second flight not cancelled (1.6% are) and within 15 minutes (75%).
Total trip9h 02mBIL 06:00 to ORD 15:59, 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.