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

Phoenix → Memphis via Denver: arrives on time 83%

  1. 09:08 PHX → 12:00 DEN
    UA 597 · United · 1h 52m · 86% on time, 0.8% cancelled
  2. 3h 43m layover in Denver (DEN) · 90 min minimum on separate tickets
  3. 15:43 DEN → 19:03 MEM
    F9 4626 · Frontier · 2h 20m · 85% on time, 0.7% cancelled

Total trip 7h 55m, scheduled departure to arrival (Memphis is 2 h ahead of Phoenix). Times are local. Both flew on 23 of the last 56 days.

Makes the connection99%The first flight arrived more than 133 minutes late on 1% of the days it flew: too late for the 90-minute minimum connection on a 3h 43m layover.
Arrives on time83%First flight not cancelled (0.8% are) × connection made (99%) × second flight not cancelled (0.7% are) and within 15 minutes (85%).
Total trip7h 55mPHX 09:08 to MEM 19:03, 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.