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

Philadelphia → Chicago via Atlanta: arrives on time 72%

  1. 10:40 PHL → 12:54 ATL
    DL 1100 · Delta · 2h 14m · 87% on time, 3.1% cancelled
  2. 2h 21m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 15:15 ATL → 16:15 MDW
    DL 1728 · Delta · 2h 00m · 77% on time, 2.1% cancelled

Total trip 6h 35m, scheduled departure to arrival (Chicago is 1 h behind Philadelphia). Times are local. Both flew on 42 of the last 56 days.

Makes the connection99%The first flight arrived more than 96 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 2h 21m layover.
Arrives on time72%First flight not cancelled (3.1% are) × connection made (99%) × second flight not cancelled (2.1% are) and within 15 minutes (77%).
Total trip6h 35mPHL 10:40 to MDW 16:15, 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.