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

Austin → Chicago via Boston: arrives on time 26%

  1. 14:25 AUS → 19:41 BOS
    DL 1156 · Delta · 4h 16m · 56% on time, 1.3% cancelled
  2. 1h 04m layover in Boston (BOS) · 45 min minimum on one ticket
  3. 20:45 BOS → 22:39 ORD
    DL 2804 · Delta · 2h 57m · 47% on time, 6.4% cancelled

Total trip 8h 17m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.

Makes the connection59%The first flight arrived more than 19 minutes late on 41% of the days it flew: too late for the 45-minute minimum connection on a 1h 04m layover.
Arrives on time26%First flight not cancelled (1.3% are) × connection made (59%) × second flight not cancelled (6.4% are) and within 15 minutes (47%).
Total trip8h 17mAUS 14:25 to ORD 22:39, layover included

Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.

Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.