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

San Antonio → Boston via Atlanta: arrives on time 48%

  1. 16:40 SAT → 20:14 ATL
    DL 2009 · Delta · 2h 35m · 78% on time, 1.5% cancelled
  2. 1h 01m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 21:15 ATL → 23:59 BOS
    DL 2269 · Delta · 2h 44m · 63% on time, 1.6% cancelled

Total trip 6h 19m, scheduled departure to arrival (Boston is 1 h ahead of San Antonio). Times are local. Both flew on 20 of the last 56 days.

Makes the connection78%The first flight arrived more than 16 minutes late on 22% of the days it flew: too late for the 45-minute minimum connection on a 1h 01m layover.
Arrives on time48%First flight not cancelled (1.5% are) × connection made (78%) × second flight not cancelled (1.6% are) and within 15 minutes (63%).
Total trip6h 19mSAT 16:40 to BOS 23:59, 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.