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

Atlanta → Ontario via Seattle: arrives on time 45%

  1. 16:45 ATL → 19:04 SEA
    DL 472 · Delta · 5h 19m · 70% on time, 0.0% cancelled
  2. 46m 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 56m, scheduled departure to arrival (Ontario is 3 h behind Atlanta). Times are local. Both flew on 56 of the last 56 days.

Makes the connection54%The first flight arrived more than 1 minutes late on 46% of the days it flew: too late for the 45-minute minimum connection on a 46m layover.
Arrives on time45%First flight not cancelled (0.0% are) × connection made (54%) × second flight not cancelled (0.0% are) and within 15 minutes (84%).
Total trip8h 56mATL 16:45 to ONT 22:41, layover included

Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.

Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.