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

Atlanta → Ontario via Denver: arrives on time 21%

  1. 18:20 ATL → 19:40 DEN
    WN 3002 · Southwest · 3h 20m · 44% on time, 0.0% cancelled
  2. 1h 35m layover in Denver (DEN) · 45 min minimum on one ticket
  3. 21:15 DEN → 22:35 ONT
    WN 1663 · Southwest · 2h 20m · 35% on time, 0.0% cancelled

Total trip 7h 15m, scheduled departure to arrival (Ontario is 3 h behind Atlanta). Times are local. Both flew on 55 of the last 56 days.

Makes the connection60%The first flight arrived more than 50 minutes late on 40% of the days it flew: too late for the 45-minute minimum connection on a 1h 35m layover.
Arrives on time21%First flight not cancelled (0.0% are) × connection made (60%) × second flight not cancelled (0.0% are) and within 15 minutes (35%).
Total trip7h 15mATL 18:20 to ONT 22:35, 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.