tailodds FORECAST
Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

Ontario → Atlanta via Seattle: arrives on time 85%

  1. 17:26 ONT → 20:06 SEA
    AS 575 · Alaska · 2h 40m · 61% on time, 2.2% cancelled
  2. 3h 53m layover in Seattle (SEA) · 90 min minimum on separate tickets
  3. 23:59 SEA → 07:46 ATL +1 day
    DL 652 · Delta · 4h 47m · 89% on time, 0.6% cancelled

Total trip 11h 20m, scheduled departure to arrival (Atlanta is 3 h ahead of Ontario). Times are local. Both flew on 45 of the last 56 days.

Makes the connection99%The first flight arrived more than 143 minutes late on 1% of the days it flew: too late for the 90-minute minimum connection on a 3h 53m layover.
Arrives on time85%First flight not cancelled (2.2% are) × connection made (99%) × second flight not cancelled (0.6% are) and within 15 minutes (89%).
Total trip11h 20mONT 17:26 to ATL 07:46, 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.