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

Chicago → Boston via Indianapolis: arrives on time 85%

  1. 06:45 ORD → 09:01 IND
    AA 4439 · American, flown by Republic · 1h 16m · 89% on time, 1.4% cancelled
  2. 2h 04m layover in Indianapolis (IND) · 90 min minimum on separate tickets
  3. 11:05 IND → 13:32 BOS
    DL 5628 · Delta, flown by Republic · 2h 27m · 91% on time, 1.1% cancelled

Total trip 5h 47m, scheduled departure to arrival (Boston is 1 h ahead of Chicago). Times are local. Both flew on 42 of the last 56 days.

Makes the connection96%The first flight arrived more than 34 minutes late on 4% of the days it flew: too late for the 90-minute minimum connection on a 2h 04m layover.
Arrives on time85%First flight not cancelled (1.4% are) × connection made (96%) × second flight not cancelled (1.1% are) and within 15 minutes (91%).
Total trip5h 47mORD 06:45 to BOS 13:32, 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.