Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Charlotte → San Francisco via Chicago: arrives on time 30%
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19:05 CLT → 20:10 MDWWN 1513 · Southwest · 2h 05m · 35% on time, 2.0% cancelled
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1h 20m layover in Chicago (MDW) · 45 min minimum on one ticket
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21:30 MDW → 00:12 SFO +1 dayWN 2893 · Southwest · 4h 42m · 51% on time, 2.0% cancelled
Total trip 8h 07m, scheduled departure to arrival (San Francisco is 3 h behind Charlotte). Times are local. Both flew on 40 of the last 56 days.
Makes the connection61%The first flight arrived more than 35 minutes late on 39% of the days it flew: too late for the 45-minute minimum connection on a 1h 20m layover.
Arrives on time30%First flight not cancelled (2.0% are) × connection made (61%) × second flight not cancelled (2.0% are) and within 15 minutes (51%).
Total trip8h 07mCLT 19:05 to SFO 00:12, 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.