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

Boise → Ontario via Salt Lake City: arrives on time 86%

  1. 18:42 BOI → 19:57 SLC
    DL 2920 · Delta · 1h 15m · 81% on time, 1.2% cancelled
  2. 3h 02m layover in Salt Lake City (SLC) · 45 min minimum on one ticket
  3. 22:59 SLC → 23:48 ONT
    DL 1614 · Delta · 1h 49m · 89% on time, 0.6% cancelled

Total trip 6h 06m, scheduled departure to arrival (Ontario is 1 h behind Boise). Times are local. Both flew on 55 of the last 56 days.

Makes the connection99%The first flight arrived more than 137 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 3h 02m layover.
Arrives on time86%First flight not cancelled (1.2% are) × connection made (99%) × second flight not cancelled (0.6% are) and within 15 minutes (89%).
Total trip6h 06mBOI 18:42 to ONT 23:48, 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.