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

Boston → Washington via Chicago: arrives on time 16%

  1. 17:38 BOS → 19:59 ORD
    AA 1592 · American · 3h 21m · 38% on time, 8.3% cancelled
  2. 56m layover in Chicago (ORD) · 45 min minimum on one ticket
  3. 20:55 ORD → 23:59 DCA
    AA 1187 · American · 2h 04m · 58% on time, 11.8% cancelled

Total trip 6h 21m, scheduled departure to arrival. Times are local. Both flew on 53 of the last 56 days.

Makes the connection34%The first flight arrived more than 11 minutes late on 66% of the days it flew: too late for the 45-minute minimum connection on a 56m layover.
Arrives on time16%First flight not cancelled (8.3% are) × connection made (34%) × second flight not cancelled (11.8% are) and within 15 minutes (58%).
Total trip6h 21mBOS 17:38 to DCA 23:59, 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.