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

Atlanta → Seattle via Ontario: arrives on time 83%

  1. 09:15 ATL → 10:40 ONT
    DL 665 · Delta · 4h 25m · 85% on time, 2.5% cancelled
  2. 1h 19m layover in Ontario (ONT) · 45 min minimum on one ticket
  3. 11:59 ONT → 14:53 SEA
    DL 4070 · Delta, flown by SkyWest · 3h 01m · 91% on time, 0.0% cancelled

Total trip 8h 45m, scheduled departure to arrival (Seattle is 3 h behind Atlanta). Times are local. Both flew on 45 of the last 56 days.

Makes the connection93%The first flight arrived more than 34 minutes late on 7% of the days it flew: too late for the 45-minute minimum connection on a 1h 19m layover.
Arrives on time83%First flight not cancelled (2.5% are) × connection made (93%) × second flight not cancelled (0.0% are) and within 15 minutes (91%).
Total trip8h 45mATL 09:15 to SEA 14:53, 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.