Nonstop route
Detroit to Washington nonstop
Yes — Delta flies DTW to DCA nonstop year-round — about 7× daily.
DTWDetroit
✈
DCAWashington
7× daily51.3 flights a week
Year-round51.3/wk Jun vs 50.6/wk Jan
$125–$300typical one-way · median $175
405miles nonstop
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Fares are what people actually paid: half of the 3,836 tickets in the US DOT fare survey for this route sold between $125 and $300 one way, median $175. 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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