Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Francisco → Charlotte via Chicago: arrives on time 82%
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23:40 SFO → 05:55 MDWWN 3649 · Southwest · 4h 15m · 41% on time, 1.7% cancelled
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1h 55m layover in Chicago (MDW) · 45 min minimum on one ticket
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07:50 MDW → 10:55 CLT +1 dayWN 2749 · Southwest · 2h 05m · 96% on time, 0.0% cancelled
Total trip 8h 15m, scheduled departure to arrival (Charlotte is 3 h ahead of San Francisco). Times are local. Both flew on 46 of the last 56 days.
Makes the connection88%The first flight arrived more than 70 minutes late on 12% of the days it flew: too late for the 45-minute minimum connection on a 1h 55m layover.
Arrives on time82%First flight not cancelled (1.7% are) × connection made (88%) × second flight not cancelled (0.0% are) and within 15 minutes (96%).
Total trip8h 15mSFO 23:40 to CLT 10:55, 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.