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

Ontario → Las Vegas via San Francisco: arrives on time 16%

  1. 18:39 ONT → 20:07 SFO
    UA 5624 · United, flown by SkyWest · 1h 28m · 16% on time, 1.6% cancelled
  2. 1h 08m layover in San Francisco (SFO) · 45 min minimum on one ticket
  3. 21:15 SFO → 23:10 LAS
    UA 406 · United · 1h 55m · 77% on time, 0.3% cancelled

Total trip 4h 31m, scheduled departure to arrival. Times are local. Both flew on 45 of the last 56 days.

Makes the connection21%The first flight arrived more than 23 minutes late on 79% of the days it flew: too late for the 45-minute minimum connection on a 1h 08m layover.
Arrives on time16%First flight not cancelled (1.6% are) × connection made (21%) × second flight not cancelled (0.3% are) and within 15 minutes (77%).
Total trip4h 31mONT 18:39 to LAS 23:10, 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.