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

Boston → Chicago via Newark: arrives on time 28%

  1. 17:44 BOS → 19:15 EWR
    UA 1647 · United · 1h 31m · 41% on time, 3.3% cancelled
  2. 1h 04m layover in Newark (EWR) · 45 min minimum on one ticket
  3. 20:19 EWR → 22:06 ORD
    UA 546 · United · 2h 47m · 69% on time, 3.6% cancelled

Total trip 5h 22m, scheduled departure to arrival (Chicago is 1 h behind Boston). Times are local. Both flew on 48 of the last 56 days.

Makes the connection43%The first flight arrived more than 19 minutes late on 57% of the days it flew: too late for the 45-minute minimum connection on a 1h 04m layover.
Arrives on time28%First flight not cancelled (3.3% are) × connection made (43%) × second flight not cancelled (3.6% are) and within 15 minutes (69%).
Total trip5h 22mBOS 17:44 to ORD 22:06, 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.