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

Seattle → Philadelphia via Chicago: arrives on time 96%

  1. 23:05 SEA → 05:00 MDW
    WN 2304 · Southwest · 3h 55m · 67% on time, 0.0% cancelled
  2. 4h 00m layover in Chicago (MDW) · 45 min minimum on one ticket
  3. 09:00 MDW → 11:55 PHL +1 day
    WN 4901 · Southwest · 1h 55m · 96% on time, 0.0% cancelled

Total trip 9h 50m, scheduled departure to arrival (Philadelphia is 3 h ahead of Seattle). Times are local. Both flew on 24 of the last 56 days.

Makes the connection100%The first flight arrived more than 195 minutes late on 0% of the days it flew: too late for the 45-minute minimum connection on a 4h 00m layover.
Arrives on time96%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (0.0% are) and within 15 minutes (96%).
Total trip9h 50mSEA 23:05 to PHL 11:55, 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.