Flint's Bishop International Airport says Delta Air Lines is adding flights from Flint to Detroit and Atlanta.
Bishop spokeswoman Pat Corfman tells The Flint Journal the expansion starts in February.
Delta and its Northwest Airlines unit now account for about 42 percent of Bishop's departures.
Corfman says with the expansion, Delta will have eight daily flights to Detroit Metropolitan Airport, one to Minneapolis-St. Paul and six to Atlanta.
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Bishop International Airport: http://www.bishopairport.org