Direct flights from Atlanta to Ontario
18 nonstop flights a week on 1 airline. Zero layovers — one hop from ATL to ONT.
Flight time: about 3h54m nonstop
Which days does it fly?
When does it fly?
Departure times in Atlanta local time, from flights observed over the last 7 days.
| Flight | Departs | Duration | Days |
|---|---|---|---|
| Delta DAL665 | 9:54a | 3h50m | Wed, Fri, Sat, Sun |
| Delta DAL665 | 9:55a | 3h51m | Mon, Tue, Thu |
| Delta DAL2891 | 4:53p | 3h54m | Sun |
| Delta DAL2891 | 5:03p | 3h57m | Fri |
| Delta DAL2891 | 5:08p | 3h53m | Mon |
| Delta DAL2891 | 5:40p | 4h4m | Sat |
| Delta DAL2891 | 5:46p | 3h46m | Thu |
| Delta DAL2891 | 7:12p | 3h57m | Wed |
| Delta DAL2891 | 7:20p | 3h56m | Tue |
| Delta DAL779 | 9:14p | 3h55m | Mon |
| Delta DAL779 | 9:16p | 3h50m | Thu |
| Delta DAL779 | 9:37p | 3h48m | Sun |
| Delta DAL779 | 10:15p | 3h56m | Fri |
Delta
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The route
One hop: ATL → ONTDrag to pan · scroll with ⌘/Ctrl to zoom · arrow keys when focused
Nonstop from Atlanta (ATL) to Ontario (ONT)
Hartsfield Jackson Atlanta International Airport (ATL) has 18 nonstop flights a week to Ontario (ONT), operated by Delta. No layovers, no connections — one hop out of ATL and you're there.
This route flies every day of the week, so any travel day works. Route data updated September 2026 from observed departures.
Route data updated September 2026 from observed flight departures. Schedules change — always confirm with the airline before booking.
How long is the flight from Atlanta to Ontario?
The nonstop flight from Atlanta (ATL) to Ontario (ONT) takes about 3h54m in the air, based on recently observed nonstop departures.
How long does it take to drive from Atlanta to Ontario?
Driving from Atlanta to Ontario takes about 31h 11m behind the wheel — roughly 2,147 miles, or about 3 days of real driving. The nonstop flight takes about 3h54m.