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

Chicago → Houston via Atlanta: arrives on time 79%

  1. 08:55 MDW → 11:45 ATL
    WN 4154 · Southwest · 1h 50m · 86% on time, 0.0% cancelled
  2. 3h 26m layover in Atlanta (ATL) · 90 min minimum on separate tickets
  3. 15:11 ATL → 16:23 HOU
    DL 2381 · Delta · 2h 14m · 81% on time, 2.4% cancelled

Total trip 7h 30m, scheduled departure to arrival. Times are local. Both flew on 40 of the last 56 days.

Makes the connection100%The first flight arrived more than 116 minutes late on 0% of the days it flew: too late for the 90-minute minimum connection on a 3h 26m layover.
Arrives on time79%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (2.4% are) and within 15 minutes (81%).
Total trip7h 30mMDW 08:55 to HOU 16:23, 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.