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

Austin → Ontario via Atlanta: arrives on time 68%

  1. 13:31 AUS → 17:00 ATL
    DL 2011 · Delta · 2h 29m · 86% on time, 1.4% cancelled
  2. 3h 25m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 20:25 ATL → 21:50 ONT
    DL 779 · Delta · 4h 25m · 71% on time, 1.6% cancelled

Total trip 10h 19m, scheduled departure to arrival (Ontario is 2 h behind Austin). Times are local. Both flew on 42 of the last 56 days.

Makes the connection99%The first flight arrived more than 160 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 3h 25m layover.
Arrives on time68%First flight not cancelled (1.4% are) × connection made (99%) × second flight not cancelled (1.6% are) and within 15 minutes (71%).
Total trip10h 19mAUS 13:31 to ONT 21:50, 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.