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

Baltimore → Seattle via St Louis: arrives on time 43%

  1. 09:35 BWI → 10:50 STL
    WN 1110 · Southwest · 2h 15m · 83% on time, 0.0% cancelled
  2. 1h 10m layover in St Louis (STL) · 45 min minimum on one ticket
  3. 12:00 STL → 14:15 SEA
    WN 3981 · Southwest · 4h 15m · 49% on time, 0.0% cancelled

Total trip 7h 40m, scheduled departure to arrival (Seattle is 3 h behind Baltimore). Times are local. Both flew on 39 of the last 56 days.

Makes the connection88%The first flight arrived more than 25 minutes late on 12% of the days it flew: too late for the 45-minute minimum connection on a 1h 10m layover.
Arrives on time43%First flight not cancelled (0.0% are) × connection made (88%) × second flight not cancelled (0.0% are) and within 15 minutes (49%).
Total trip7h 40mBWI 09:35 to SEA 14:15, 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.