Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Buffalo → Nashville via Chicago: arrives on time 40%
-
19:50 BUF → 20:30 MDWWN 768 · Southwest · 1h 40m · 60% on time, 4.0% cancelled
-
1h 10m layover in Chicago (MDW) · 45 min minimum on one ticket
-
21:40 MDW → 23:05 BNAWN 4091 · Southwest · 1h 30m · 65% on time, 5.3% cancelled
Total trip 4h 20m, scheduled departure to arrival (Nashville is 1 h behind Buffalo). Times are local. Both flew on 48 of the last 56 days.
Makes the connection68%The first flight arrived more than 25 minutes late on 32% of the days it flew: too late for the 45-minute minimum connection on a 1h 10m layover.
Arrives on time40%First flight not cancelled (4.0% are) × connection made (68%) × second flight not cancelled (5.3% are) and within 15 minutes (65%).
Total trip4h 20mBUF 19:50 to BNA 23:05, 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.