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

Ontario → Washington via Salt Lake City: arrives on time 82%

  1. 06:00 ONT → 08:50 SLC
    DL 2708 · Delta · 1h 50m · 95% on time, 0.5% cancelled
  2. 1h 40m layover in Salt Lake City (SLC) · 45 min minimum on one ticket
  3. 10:30 SLC → 16:37 DCA
    DL 820 · Delta · 4h 07m · 85% on time, 0.8% cancelled

Total trip 7h 37m, scheduled departure to arrival (Washington is 3 h ahead of Ontario). Times are local. Both flew on 55 of the last 56 days.

Makes the connection98%The first flight arrived more than 55 minutes late on 2% of the days it flew: too late for the 45-minute minimum connection on a 1h 40m layover.
Arrives on time82%First flight not cancelled (0.5% are) × connection made (98%) × second flight not cancelled (0.8% are) and within 15 minutes (85%).
Total trip7h 37mONT 06:00 to DCA 16:37, 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.