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

Philadelphia → Harrisburg via Atlanta: arrives on time 75%

  1. 10:40 PHL → 12:54 ATL
    DL 1100 · Delta · 2h 14m · 87% on time, 3.1% cancelled
  2. 2h 47m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 15:41 ATL → 17:37 MDT
    DL 2857 · Delta · 1h 56m · 79% on time, 2.4% cancelled

Total trip 6h 57m, scheduled departure to arrival. Times are local. Both flew on 48 of the last 56 days.

Makes the connection99%The first flight arrived more than 122 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 2h 47m layover.
Arrives on time75%First flight not cancelled (3.1% are) × connection made (99%) × second flight not cancelled (2.4% are) and within 15 minutes (79%).
Total trip6h 57mPHL 10:40 to MDT 17:37, 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.