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

Austin → Ontario via Denver: arrives on time 20%

  1. 18:35 AUS → 20:05 DEN
    WN 2573 · Southwest · 2h 30m · 46% on time, 0.0% cancelled
  2. 1h 10m 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 6h 00m, scheduled departure to arrival (Ontario is 2 h behind Austin). Times are local. Both flew on 39 of the last 56 days.

Makes the connection56%The first flight arrived more than 25 minutes late on 44% of the days it flew: too late for the 45-minute minimum connection on a 1h 10m layover.
Arrives on time20%First flight not cancelled (0.0% are) × connection made (56%) × second flight not cancelled (0.0% are) and within 15 minutes (35%).
Total trip6h 00mAUS 18:35 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.