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 69%

  1. 15:02 IAD → 16:54 ATL
    DL 2135 · Delta · 1h 52m · 73% on time, 0.0% cancelled
  2. 2h 31m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 19:25 ATL → 21:30 SLC
    DL 660 · Delta · 4h 05m · 76% on time, 0.3% cancelled

Total trip 8h 28m, 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 connection91%The first flight arrived more than 106 minutes late on 9% of the days it flew: too late for the 45-minute minimum connection on a 2h 31m layover.
Arrives on time69%First flight not cancelled (0.0% are) × connection made (91%) × second flight not cancelled (0.3% are) and within 15 minutes (76%).
Total trip8h 28mIAD 15:02 to SLC 21:30, 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.