Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → Buffalo via Minneapolis: arrives on time 82%
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10:15 MDW → 11:45 MSPWN 2869 · Southwest · 1h 30m · 70% on time, 0.0% cancelled
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3h 37m layover in Minneapolis (MSP) · 90 min minimum on separate tickets
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15:22 MSP → 18:27 BUFDL 1749 · Delta · 2h 05m · 85% on time, 1.9% cancelled
Total trip 7h 12m, scheduled departure to arrival (Buffalo is 1 h ahead of Chicago). Times are local. Both flew on 54 of the last 56 days.
Makes the connection98%The first flight arrived more than 127 minutes late on 2% of the days it flew: too late for the 90-minute minimum connection on a 3h 37m layover.
Arrives on time82%First flight not cancelled (0.0% are) × connection made (98%) × second flight not cancelled (1.9% are) and within 15 minutes (85%).
Total trip7h 12mMDW 10:15 to BUF 18:27, 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.