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

Washington → Seattle via St Louis: arrives on time 48%

  1. 08:00 DCA → 09:10 STL
    WN 4853 · Southwest · 2h 10m · 83% on time, 2.0% cancelled
  2. 2h 50m 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 9h 15m, scheduled departure to arrival (Seattle is 3 h behind Washington). Times are local. Both flew on 47 of the last 56 days.

Makes the connection100%The first flight arrived more than 125 minutes late on 0% of the days it flew: too late for the 45-minute minimum connection on a 2h 50m layover.
Arrives on time48%First flight not cancelled (2.0% are) × connection made (100%) × second flight not cancelled (0.0% are) and within 15 minutes (49%).
Total trip9h 15mDCA 08:00 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.