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

Miami → Ontario via Atlanta: arrives on time 48%

  1. 10:40 MIA → 12:48 ATL
    DL 2836 · Delta · 2h 10m · 85% on time, 2.3% cancelled
  2. 4h 11m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 16:59 ATL → 18:30 ONT
    DL 2891 · Delta · 4h 31m · 50% on time, 0.0% cancelled

Total trip 10h 50m, scheduled departure to arrival (Ontario is 3 h behind Miami). Times are local. Both flew on 54 of the last 56 days.

Makes the connection99%The first flight arrived more than 206 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 4h 11m layover.
Arrives on time48%First flight not cancelled (2.3% are) × connection made (99%) × second flight not cancelled (0.0% are) and within 15 minutes (50%).
Total trip10h 50mMIA 10:40 to ONT 18:30, 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.