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

Ontario → Boise via Seattle: arrives on time 88%

  1. 06:20 ONT → 09:17 SEA
    DL 3816 · Delta, flown by SkyWest · 2h 57m · 94% on time, 0.0% cancelled
  2. 3h 13m layover in Seattle (SEA) · 45 min minimum on one ticket
  3. 12:30 SEA → 15:12 BOI
    DL 3959 · Delta, flown by SkyWest · 1h 42m · 88% on time, 0.0% cancelled

Total trip 7h 52m, scheduled departure to arrival (Boise is 1 h ahead of Ontario). Times are local. Both flew on 56 of the last 56 days.

Makes the connection100%The first flight arrived more than 148 minutes late on 0% of the days it flew: too late for the 45-minute minimum connection on a 3h 13m layover.
Arrives on time88%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (0.0% are) and within 15 minutes (88%).
Total trip7h 52mONT 06:20 to BOI 15:12, 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.