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

Ontario → Baltimore via Atlanta: arrives on time 62%

  1. 11:50 ONT → 19:11 ATL
    DL 665 · Delta · 4h 21m · 85% on time, 1.6% cancelled
  2. 1h 33m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 20:44 ATL → 22:30 BWI
    DL 2670 · Delta · 1h 47m · 69% on time, 0.9% cancelled

Total trip 7h 41m, scheduled departure to arrival (Baltimore is 3 h ahead of Ontario). Times are local. Both flew on 0 of the last 56 days, too few to list among the best connections.

Makes the connection93%The first flight arrived more than 48 minutes late on 7% of the days it flew: too late for the 45-minute minimum connection on a 1h 33m layover.
Arrives on time62%First flight not cancelled (1.6% are) × connection made (93%) × second flight not cancelled (0.9% are) and within 15 minutes (69%).
Total trip7h 41mONT 11:50 to BWI 22:30, 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.