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

San Diego → Houston via Atlanta: arrives on time 84%

  1. 22:30 SAN → 05:50 ATL
    DL 819 · Delta · 4h 20m · 95% on time, 1.3% cancelled
  2. 2h 30m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 08:20 ATL → 09:28 HOU +1 day
    DL 1509 · Delta · 2h 04m · 90% on time, 3.3% cancelled

Total trip 8h 54m, scheduled departure to arrival (Houston is 2 h ahead of San Diego). Times are local. Both flew on 55 of the last 56 days.

Makes the connection99%The first flight arrived more than 105 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 2h 30m layover.
Arrives on time84%First flight not cancelled (1.3% are) × connection made (99%) × second flight not cancelled (3.3% are) and within 15 minutes (90%).
Total trip8h 54mSAN 22:30 to HOU 09:28, 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.