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

St Louis → Portland via Las Vegas: arrives on time 8%

  1. 19:40 STL → 21:05 LAS
    WN 3935 · Southwest · 3h 25m · 14% on time, 2.0% cancelled
  2. 1h 10m layover in Las Vegas (LAS) · 45 min minimum on one ticket
  3. 22:15 LAS → 00:32 PDX +1 day
    WN 199 · Southwest · 2h 18m · 38% on time, 0.0% cancelled

Total trip 6h 53m, scheduled departure to arrival (Portland is 2 h behind St Louis). Times are local. Both flew on 24 of the last 56 days.

Makes the connection22%The first flight arrived more than 25 minutes late on 78% of the days it flew: too late for the 45-minute minimum connection on a 1h 10m layover.
Arrives on time8%First flight not cancelled (2.0% are) × connection made (22%) × second flight not cancelled (0.0% are) and within 15 minutes (38%).
Total trip6h 53mSTL 19:40 to PDX 00:32, layover included

Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.

Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.