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

Boston → San Antonio via Washington: arrives on time 38%

  1. 15:19 BOS → 17:21 DCA
    AA 4380 · American, flown by Republic · 1h 54m · 62% on time, 7.0% cancelled
  2. 1h 11m layover in Washington (DCA) · 45 min minimum on one ticket
  3. 18:32 DCA → 21:13 SAT
    AA 1947 · American · 3h 41m · 57% on time, 2.0% cancelled

Total trip 6h 54m, scheduled departure to arrival (San Antonio is 1 h behind Boston). Times are local. Both flew on 55 of the last 56 days.

Makes the connection73%The first flight arrived more than 26 minutes late on 27% of the days it flew: too late for the 45-minute minimum connection on a 1h 11m layover.
Arrives on time38%First flight not cancelled (7.0% are) × connection made (73%) × second flight not cancelled (2.0% are) and within 15 minutes (57%).
Total trip6h 54mBOS 15:19 to SAT 21:13, 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.