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

Boston → San Antonio via Detroit: arrives on time 76%

  1. 05:30 BOS → 07:39 DTW
    DL 1019 · Delta · 2h 09m · 95% on time, 2.5% cancelled
  2. 46m layover in Detroit (DTW) · 45 min minimum on one ticket
  3. 08:25 DTW → 10:34 SAT
    DL 788 · Delta · 3h 09m · 88% on time, 0.6% cancelled

Total trip 6h 04m, scheduled departure to arrival (San Antonio is 1 h behind Boston). Times are local. Both flew on 42 of the last 56 days.

Makes the connection89%The first flight arrived more than 1 minutes late on 11% of the days it flew: too late for the 45-minute minimum connection on a 46m layover.
Arrives on time76%First flight not cancelled (2.5% are) × connection made (89%) × second flight not cancelled (0.6% are) and within 15 minutes (88%).
Total trip6h 04mBOS 05:30 to SAT 10:34, 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.