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. 13:05 BOI → 14:21 SLC
    DL 1442 · Delta · 1h 16m · 93% on time, 0.0% cancelled
  2. 1h 24m layover in Salt Lake City (SLC) · 45 min minimum on one ticket
  3. 15:45 SLC → 16:41 ONT
    DL 4443 · Delta, flown by SkyWest · 1h 56m · 87% on time, 0.0% cancelled

Total trip 4h 36m, scheduled departure to arrival (Ontario is 1 h behind Boise). Times are local. Both flew on 55 of the last 56 days.

Makes the connection98%The first flight arrived more than 39 minutes late on 2% of the days it flew: too late for the 45-minute minimum connection on a 1h 24m layover.
Arrives on time86%First flight not cancelled (0.0% are) × connection made (98%) × second flight not cancelled (0.0% are) and within 15 minutes (87%).
Total trip4h 36mBOI 13:05 to ONT 16:41, 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.