"will it be longer?"

The IRS explained their process means not to consider it late until at least 21 days from e-filing, and that yes, certain features of a specific tax return can cause that return to take longer, and No, don't keep filing duplicates, and don't even call the IRS unless the "where's my refund" tool indicates the taxpayer needs to Call the IRS.

All of this can be learned from www.irs.gov:

https://www.irs.gov/refunds