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

Salt Lake City → Boston via Denver: arrives on time 87%

  1. 18:30 SLC → 20:02 DEN
    DL 1586 · Delta · 1h 34m · 71% on time, 0.0% cancelled
  2. 3h 57m layover in Denver (DEN) · 90 min minimum on separate tickets
  3. 23:59 DEN → 05:58 BOS +1 day
    UA 2656 · United · 3h 59m · 92% on time, 1.3% cancelled

Total trip 9h 28m, scheduled departure to arrival (Boston is 2 h ahead of Salt Lake City). Times are local. Both flew on 52 of the last 56 days.

Makes the connection96%The first flight arrived more than 147 minutes late on 4% of the days it flew: too late for the 90-minute minimum connection on a 3h 57m layover.
Arrives on time87%First flight not cancelled (0.0% are) × connection made (96%) × second flight not cancelled (1.3% are) and within 15 minutes (92%).
Total trip9h 28mSLC 18:30 to BOS 05:58, 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.