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

San Antonio → Boston via Detroit: arrives on time 62%

  1. 16:44 SAT → 20:45 DTW
    DL 2458 · Delta · 3h 01m · 82% on time, 4.2% cancelled
  2. 1h 08m layover in Detroit (DTW) · 45 min minimum on one ticket
  3. 21:53 DTW → 23:54 BOS
    DL 1187 · Delta · 2h 01m · 71% on time, 2.3% cancelled

Total trip 6h 10m, scheduled departure to arrival (Boston is 1 h ahead of San Antonio). Times are local. Both flew on 0 of the last 56 days, too few to list among the best connections.

Makes the connection94%The first flight arrived more than 23 minutes late on 6% of the days it flew: too late for the 45-minute minimum connection on a 1h 08m layover.
Arrives on time62%First flight not cancelled (4.2% are) × connection made (94%) × second flight not cancelled (2.3% are) and within 15 minutes (71%).
Total trip6h 10mSAT 16:44 to BOS 23:54, 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.