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 74%

  1. 06:00 BOI → 07:11 SLC
    DL 2173 · Delta · 1h 11m · 91% on time, 1.7% cancelled
  2. 49m layover in Salt Lake City (SLC) · 45 min minimum on one ticket
  3. 08:00 SLC → 08:47 ONT
    DL 1302 · Delta · 1h 47m · 97% on time, 1.5% cancelled

Total trip 3h 47m, scheduled departure to arrival (Ontario is 1 h behind Boise). Times are local. Both flew on 41 of the last 56 days.

Makes the connection79%The first flight arrived more than 4 minutes late on 21% of the days it flew: too late for the 45-minute minimum connection on a 49m layover.
Arrives on time74%First flight not cancelled (1.7% are) × connection made (79%) × second flight not cancelled (1.5% are) and within 15 minutes (97%).
Total trip3h 47mBOI 06:00 to ONT 08:47, 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.