Nonstop route
Detroit to Louisville nonstop
Yes — Delta flies DTW to SDF nonstop year-round — about daily.
DTWDetroit
✈
SDFLouisville
daily16.6 flights a week
Year-round16.6/wk Jun vs 17.2/wk Jan
$275–$450typical one-way · median $350
306miles nonstop
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Fares are what people actually paid: half of the 519 tickets in the US DOT fare survey for this route sold between $275 and $450 one way, median $350. 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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