Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

San Francisco → Washington via Chicago: arrives on time 87%

  1. 23:40 SFO → 05:55 MDW
    WN 3649 · Southwest · 4h 15m · 41% on time, 1.7% cancelled
  2. 2h 20m layover in Chicago (MDW) · 45 min minimum on one ticket
  3. 08:15 MDW → 11:10 DCA +1 day
    WN 2569 · Southwest · 1h 55m · 91% on time, 0.0% cancelled

Total trip 8h 30m, scheduled departure to arrival (Washington is 3 h ahead of San Francisco). Times are local. Both flew on 29 of the last 56 days.

Makes the connection98%The first flight arrived more than 95 minutes late on 2% of the days it flew: too late for the 45-minute minimum connection on a 2h 20m layover.
Arrives on time87%First flight not cancelled (1.7% are) × connection made (98%) × second flight not cancelled (0.0% are) and within 15 minutes (91%).
Total trip8h 30mSFO 23:40 to DCA 11:10, 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.