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

Dulles → Salt Lake City via Atlanta: arrives on time 86%

  1. 06:00 IAD → 07:46 ATL
    DL 2127 · Delta · 1h 46m · 90% on time, 2.6% cancelled
  2. 2h 19m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 10:05 ATL → 12:10 SLC
    DL 387 · Delta · 4h 05m · 92% on time, 0.5% cancelled

Total trip 8h 10m, scheduled departure to arrival (Salt Lake City is 2 h behind Dulles). Times are local. Both flew on 56 of the last 56 days.

Makes the connection97%The first flight arrived more than 94 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 2h 19m layover.
Arrives on time86%First flight not cancelled (2.6% are) × connection made (97%) × second flight not cancelled (0.5% are) and within 15 minutes (92%).
Total trip8h 10mIAD 06:00 to SLC 12:10, 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.