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

Ontario → Boise via Salt Lake City: arrives on time 73%

  1. 13:00 ONT → 15:47 SLC
    DL 3172 · Delta · 1h 47m · 95% on time, 0.0% cancelled
  2. 48m layover in Salt Lake City (SLC) · 45 min minimum on one ticket
  3. 16:35 SLC → 17:51 BOI
    DL 2920 · Delta · 1h 17m · 86% on time, 0.0% cancelled

Total trip 3h 52m, scheduled departure to arrival (Boise is 1 h ahead of Ontario). Times are local. Both flew on 54 of the last 56 days.

Makes the connection85%The first flight arrived more than 3 minutes late on 15% of the days it flew: too late for the 45-minute minimum connection on a 48m layover.
Arrives on time73%First flight not cancelled (0.0% are) × connection made (85%) × second flight not cancelled (0.0% are) and within 15 minutes (86%).
Total trip3h 52mONT 13:00 to BOI 17:51, layover included

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