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

Ontario → West Palm Beach via Atlanta: arrives on time 67%

  1. 11:50 ONT → 19:11 ATL
    DL 665 · Delta · 4h 21m · 85% on time, 1.6% cancelled
  2. 3h 48m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 22:59 ATL → 00:51 PBI +1 day
    DL 1065 · Delta · 1h 52m · 71% on time, 2.5% cancelled

Total trip 10h 01m, scheduled departure to arrival (West Palm Beach is 3 h ahead of Ontario). Times are local. Both flew on 55 of the last 56 days.

Makes the connection99%The first flight arrived more than 183 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 3h 48m layover.
Arrives on time67%First flight not cancelled (1.6% are) × connection made (99%) × second flight not cancelled (2.5% are) and within 15 minutes (71%).
Total trip10h 01mONT 11:50 to PBI 00:51, 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.