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

Miami → Salt Lake City via Atlanta: arrives on time 52%

  1. 16:00 MIA → 18:22 ATL
    DL 1579 · Delta · 2h 22m · 67% on time, 0.6% cancelled
  2. 1h 03m 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 7h 30m, scheduled departure to arrival (Salt Lake City is 2 h behind Miami). Times are local. Both flew on 56 of the last 56 days.

Makes the connection68%The first flight arrived more than 18 minutes late on 32% of the days it flew: too late for the 45-minute minimum connection on a 1h 03m layover.
Arrives on time52%First flight not cancelled (0.6% are) × connection made (68%) × second flight not cancelled (0.3% are) and within 15 minutes (76%).
Total trip7h 30mMIA 16:00 to SLC 21:30, layover included

Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.

Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.