The Rise of the Resistance attraction won’t be available on opening day, which means the crowds won’t even be broken up between the two attractions and the line for Smuggler’s Run will be even longer than expected until the second attraction opens.
The crowds might not be quite as insane on opening day as anticipated, because for the first three weeks after opening the land will require reservations to enter.
Star Wars; Galaxy’s Edge is set to open at Disneyland in less than two months.
Still, one certainly expects that nearly everybody who can get into the land will be making their way to the Millennium Falcon attraction first.