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

Philadelphia → Salt Lake City via Atlanta: arrives on time 88%

  1. 05:15 PHL → 07:22 ATL
    DL 1269 · Delta · 2h 07m · 90% on time, 2.7% cancelled
  2. 2h 43m 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 55m, scheduled departure to arrival (Salt Lake City is 2 h behind Philadelphia). Times are local. Both flew on 56 of the last 56 days.

Makes the connection99%The first flight arrived more than 118 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 2h 43m layover.
Arrives on time88%First flight not cancelled (2.7% are) × connection made (99%) × second flight not cancelled (0.5% are) and within 15 minutes (92%).
Total trip8h 55mPHL 05:15 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.