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

Chicago → Baltimore via Boston: arrives on time 67%

  1. 10:29 ORD → 13:59 BOS
    DL 2570 · Delta · 2h 30m · 76% on time, 2.1% cancelled
  2. 1h 51m layover in Boston (BOS) · 45 min minimum on one ticket
  3. 15:50 BOS → 17:42 BWI
    DL 5644 · Delta, flown by Republic · 1h 52m · 79% on time, 5.1% cancelled

Total trip 6h 13m, scheduled departure to arrival (Baltimore is 1 h ahead of Chicago). Times are local. Both flew on 52 of the last 56 days.

Makes the connection91%The first flight arrived more than 66 minutes late on 9% of the days it flew: too late for the 45-minute minimum connection on a 1h 51m layover.
Arrives on time67%First flight not cancelled (2.1% are) × connection made (91%) × second flight not cancelled (5.1% are) and within 15 minutes (79%).
Total trip6h 13mORD 10:29 to BWI 17:42, 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.