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

Ontario → Houston via Denver: arrives on time 8%

  1. 14:30 ONT → 17:40 DEN
    WN 3147 · Southwest · 2h 10m · 24% on time, 0.0% cancelled
  2. 1h 00m layover in Denver (DEN) · 45 min minimum on one ticket
  3. 18:40 DEN → 22:15 HOU
    WN 606 · Southwest · 2h 35m · 34% on time, 2.4% cancelled

Total trip 5h 45m, scheduled departure to arrival (Houston is 2 h ahead of Ontario). Times are local. Both flew on 24 of the last 56 days.

Makes the connection24%The first flight arrived more than 15 minutes late on 76% of the days it flew: too late for the 45-minute minimum connection on a 1h 00m layover.
Arrives on time8%First flight not cancelled (0.0% are) × connection made (24%) × second flight not cancelled (2.4% are) and within 15 minutes (34%).
Total trip5h 45mONT 14:30 to HOU 22:15, 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.