Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Baltimore → San Francisco via Chicago: arrives on time 36%
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19:00 BWI → 20:05 MDWWN 1005 · Southwest · 2h 05m · 73% on time, 11.5% cancelled
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1h 25m 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 12m, scheduled departure to arrival (San Francisco is 3 h behind Baltimore). Times are local. Both flew on 24 of the last 56 days.
Makes the connection82%The first flight arrived more than 40 minutes late on 18% of the days it flew: too late for the 45-minute minimum connection on a 1h 25m layover.
Arrives on time36%First flight not cancelled (11.5% are) × connection made (82%) × second flight not cancelled (2.0% are) and within 15 minutes (51%).
Total trip8h 12mBWI 19:00 to SFO 00:12, 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.