Southwest Airlines this weekend launches flights from Atlanta to Oakland, marking a shift in its longest route from Hartsfield-Jackson International Airport.

The daily flights to Oakland launch Sunday, Nov. 1 and will take the place of Southwest's Atlanta-San Francisco flights discontinuing Saturday.

FILE- In this April 23, 2015, file photo, a Southwest airlines jet takes off from a runway at Love Field in Dallas. Southwest Airlines is asking travelers on Sunday, Oct. 11, to arrive at least two hours before their scheduled departures as technical issues are forcing it to check-in some customers manually. (AP Photo/LM Otero, File)

Credit: Kelly Yamanouchi

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Credit: Kelly Yamanouchi

Dallas-based Southwest has been growing its presence in Oakland, which is in the San Francisco Bay area and is Southwest's largest operational base in California. Oakland International Airport said Atlanta and Dallas have been its two top under-served markets and the new flights will help meet travel demand.