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

Washington → Seattle via Salt Lake City: arrives on time 87%

  1. 17:50 DCA → 20:37 SLC
    DL 820 · Delta · 4h 47m · 76% on time, 1.1% cancelled
  2. 2h 08m layover in Salt Lake City (SLC) · 45 min minimum on one ticket
  3. 22:45 SLC → 23:59 SEA
    DL 2998 · Delta · 2h 14m · 91% on time, 0.0% cancelled

Total trip 9h 09m, scheduled departure to arrival (Seattle is 3 h behind Washington). Times are local. Both flew on 38 of the last 56 days.

Makes the connection96%The first flight arrived more than 83 minutes late on 4% of the days it flew: too late for the 45-minute minimum connection on a 2h 08m layover.
Arrives on time87%First flight not cancelled (1.1% are) × connection made (96%) × second flight not cancelled (0.0% are) and within 15 minutes (91%).
Total trip9h 09mDCA 17:50 to SEA 23:59, 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.