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

San Antonio → Philadelphia via Atlanta: arrives on time 40%

  1. 12:05 SAT → 15:38 ATL
    DL 1121 · Delta · 2h 33m · 77% on time, 2.3% cancelled
  2. 52m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 16:30 ATL → 18:37 PHL
    DL 1329 · Delta · 2h 07m · 62% on time, 4.8% cancelled

Total trip 5h 32m, scheduled departure to arrival (Philadelphia is 1 h ahead of San Antonio). Times are local. Both flew on 56 of the last 56 days.

Makes the connection70%The first flight arrived more than 7 minutes late on 30% of the days it flew: too late for the 45-minute minimum connection on a 52m layover.
Arrives on time40%First flight not cancelled (2.3% are) × connection made (70%) × second flight not cancelled (4.8% are) and within 15 minutes (62%).
Total trip5h 32mSAT 12:05 to PHL 18:37, 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.