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

Washington → Las Vegas via Dallas: arrives on time 13%

  1. 17:20 DCA → 19:30 DAL
    WN 1403 · Southwest · 3h 10m · 27% on time, 4.0% cancelled
  2. 1h 00m layover in Dallas (DAL) · 45 min minimum on one ticket
  3. 20:30 DAL → 21:15 LAS
    WN 1128 · Southwest · 2h 45m · 50% on time, 0.0% cancelled

Total trip 6h 55m, scheduled departure to arrival (Las Vegas is 3 h behind Washington). Times are local. Both flew on 12 of the last 56 days, too few to list among the best connections.

Makes the connection27%The first flight arrived more than 15 minutes late on 73% of the days it flew: too late for the 45-minute minimum connection on a 1h 00m layover.
Arrives on time13%First flight not cancelled (4.0% are) × connection made (27%) × second flight not cancelled (0.0% are) and within 15 minutes (50%).
Total trip6h 55mDCA 17:20 to LAS 21:15, 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.