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

Chicago → Houston via Boston: arrives on time 89%

  1. 07:40 MDW → 10:55 BOS
    WN 4611 · Southwest · 2h 15m · 90% on time, 0.0% cancelled
  2. 2h 42m layover in Boston (BOS) · 90 min minimum on separate tickets
  3. 13:37 BOS → 16:57 IAH
    UA 1976 · United · 4h 20m · 90% on time, 1.4% cancelled

Total trip 9h 17m, scheduled departure to arrival. Times are local. Both flew on 54 of the last 56 days.

Makes the connection100%The first flight arrived more than 72 minutes late on 0% of the days it flew: too late for the 90-minute minimum connection on a 2h 42m layover.
Arrives on time89%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (1.4% are) and within 15 minutes (90%).
Total trip9h 17mMDW 07:40 to IAH 16:57, 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.