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

Dallas-Fort Worth → Ontario via Seattle: arrives on time 67%

  1. 16:15 DFW → 18:38 SEA
    DL 803 · Delta · 4h 23m · 74% on time, 1.6% cancelled
  2. 1h 12m layover in Seattle (SEA) · 45 min minimum on one ticket
  3. 19:50 SEA → 22:41 ONT
    DL 3884 · Delta, flown by SkyWest · 2h 51m · 84% on time, 0.0% cancelled

Total trip 8h 26m, scheduled departure to arrival (Ontario is 2 h behind Dallas-Fort Worth). Times are local. Both flew on 28 of the last 56 days.

Makes the connection82%The first flight arrived more than 27 minutes late on 18% of the days it flew: too late for the 45-minute minimum connection on a 1h 12m layover.
Arrives on time67%First flight not cancelled (1.6% are) × connection made (82%) × second flight not cancelled (0.0% are) and within 15 minutes (84%).
Total trip8h 26mDFW 16:15 to ONT 22:41, 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.