Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Antonio → Chicago via Nashville: arrives on time 17%
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16:55 SAT → 19:10 BNAWN 4193 · Southwest · 2h 15m · 27% on time, 0.0% cancelled
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1h 15m layover in Nashville (BNA) · 45 min minimum on one ticket
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20:25 BNA → 21:55 MDWWN 4286 · Southwest · 1h 30m · 29% on time, 0.0% cancelled
Total trip 5h 00m, scheduled departure to arrival. Times are local. Both flew on 40 of the last 56 days.
Makes the connection57%The first flight arrived more than 30 minutes late on 43% of the days it flew: too late for the 45-minute minimum connection on a 1h 15m layover.
Arrives on time17%First flight not cancelled (0.0% are) × connection made (57%) × second flight not cancelled (0.0% are) and within 15 minutes (29%).
Total trip5h 00mSAT 16:55 to MDW 21:55, 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.