Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → Billings via Minneapolis: arrives on time 76%
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15:55 ORD → 17:40 MSPDL 1533 · Delta · 1h 45m · 62% on time, 2.8% cancelled
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4h 35m layover in Minneapolis (MSP) · 45 min minimum on one ticket
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22:15 MSP → 23:30 BILDL 2941 · Delta · 2h 15m · 80% on time, 1.3% cancelled
Total trip 8h 35m, scheduled departure to arrival (Billings is 1 h behind Chicago). Times are local. Both flew on 54 of the last 56 days.
Makes the connection99%The first flight arrived more than 230 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 4h 35m layover.
Arrives on time76%First flight not cancelled (2.8% are) × connection made (99%) × second flight not cancelled (1.3% are) and within 15 minutes (80%).
Total trip8h 35mORD 15:55 to BIL 23:30, 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.