Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Oklahoma City → Nashville via Chicago: arrives on time 28%
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15:48 OKC → 17:38 MDWWN 3123 · Southwest · 1h 50m · 54% on time, 4.0% cancelled
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1h 02m layover in Chicago (MDW) · 45 min minimum on one ticket
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18:40 MDW → 20:10 BNAWN 1073 · Southwest · 1h 30m · 50% on time, 4.0% cancelled
Total trip 4h 22m, scheduled departure to arrival. Times are local. Both flew on 48 of the last 56 days.
Makes the connection60%The first flight arrived more than 17 minutes late on 40% of the days it flew: too late for the 45-minute minimum connection on a 1h 02m layover.
Arrives on time28%First flight not cancelled (4.0% are) × connection made (60%) × second flight not cancelled (4.0% are) and within 15 minutes (50%).
Total trip4h 22mOKC 15:48 to BNA 20:10, 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.