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

Salt Lake City → Washington via Boston: arrives on time 53%

  1. 09:50 SLC → 16:37 BOS
    DL 657 · Delta · 4h 47m · 82% on time, 1.1% cancelled
  2. 3h 28m layover in Boston (BOS) · 45 min minimum on one ticket
  3. 20:05 BOS → 22:03 DCA
    DL 5666 · Delta, flown by Republic · 1h 53m · 59% on time, 7.6% cancelled

Total trip 10h 08m, scheduled departure to arrival (Washington is 2 h ahead of Salt Lake City). Times are local. Both flew on 55 of the last 56 days.

Makes the connection99%The first flight arrived more than 163 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 3h 28m layover.
Arrives on time53%First flight not cancelled (1.1% are) × connection made (99%) × second flight not cancelled (7.6% are) and within 15 minutes (59%).
Total trip10h 08mSLC 09:50 to DCA 22:03, 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.