tailodds FORECAST
Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

St Louis → Washington via New York: arrives on time 78%

  1. 05:40 STL → 09:00 LGA
    WN 4939 · Southwest · 2h 20m · 96% on time, 2.0% cancelled
  2. 1h 47m layover in New York (LGA) · 90 min minimum on separate tickets
  3. 10:47 LGA → 12:17 DCA
    AA 4654 · American, flown by Republic · 1h 30m · 85% on time, 2.8% cancelled

Total trip 5h 37m, scheduled departure to arrival (Washington is 1 h ahead of St Louis). Times are local. Both flew on 46 of the last 56 days.

Makes the connection96%The first flight arrived more than 17 minutes late on 4% of the days it flew: too late for the 90-minute minimum connection on a 1h 47m layover.
Arrives on time78%First flight not cancelled (2.0% are) × connection made (96%) × second flight not cancelled (2.8% are) and within 15 minutes (85%).
Total trip5h 37mSTL 05:40 to DCA 12:17, 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.