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

Phoenix → Miami via Atlanta: arrives on time 61%

  1. 05:45 PHX → 12:27 ATL
    DL 918 · Delta · 3h 42m · 96% on time, 1.6% cancelled
  2. 3h 31m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 15:58 ATL → 18:09 MIA
    DL 1323 · Delta · 2h 11m · 63% on time, 1.7% cancelled

Total trip 9h 24m, scheduled departure to arrival (Miami is 3 h ahead of Phoenix). Times are local. Both flew on 56 of the last 56 days.

Makes the connection99%The first flight arrived more than 166 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 3h 31m layover.
Arrives on time61%First flight not cancelled (1.6% are) × connection made (99%) × second flight not cancelled (1.7% are) and within 15 minutes (63%).
Total trip9h 24mPHX 05:45 to MIA 18:09, 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.