Nonstop route
Atlanta to Ontario nonstop
Yes — Delta flies ATL to ONT nonstop year-round — about daily.
ATLAtlanta
✈
ONTOntario
daily18.2 flights a week
Year-round18.2/wk Jun vs 13.5/wk Jan
$300–$550typical one-way · median $375
1,900miles nonstop
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Fares are what people actually paid: half of the 859 tickets in the US DOT fare survey for this route sold between $300 and $550 one way, median $375. That survey runs a couple of quarters behind, so treat it as the shape of the route's pricing rather than today's quote.
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