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

Boston → San Antonio via Denver: arrives on time 59%

  1. 12:22 BOS → 14:53 DEN
    UA 414 · United · 4h 31m · 90% on time, 1.1% cancelled
  2. 2h 46m layover in Denver (DEN) · 45 min minimum on one ticket
  3. 17:39 DEN → 20:54 SAT
    UA 2819 · United · 2h 15m · 61% on time, 0.0% cancelled

Total trip 9h 32m, 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 connection99%The first flight arrived more than 121 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 2h 46m layover.
Arrives on time59%First flight not cancelled (1.1% are) × connection made (99%) × second flight not cancelled (0.0% are) and within 15 minutes (61%).
Total trip9h 32mBOS 12:22 to SAT 20:54, 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.