It appears the US Republican Controlled Senate has plenty of time to confirm a President Trump nomination before the Nov 3rd election, as the rapid nominations and confirmations below clearly show.
Supreme Court Justice (John P. Stevens) Nomination To Confirmation 20 Days
On November 28, 1975, President Gerald Ford nominated John Paul Stevens to replace Douglas. Stevens was confirmed by the United States Senate on December 17, 1975.
Supreme Court Justice (Sandra Day O'Connor) Nomination To Confirmation 33 Days
Sandra Day O'Connor was nominated to the Supreme Court by President Ronald Reagan on August 19, 1981 and confirmed on Sept 21, 1981
Supreme Court Justice (John P. Stevens) Nomination To Confirmation 20 Days
On November 28, 1975, President Gerald Ford nominated John Paul Stevens to replace Douglas. Stevens was confirmed by the United States Senate on December 17, 1975.
Supreme Court Justice (Sandra Day O'Connor) Nomination To Confirmation 33 Days
Sandra Day O'Connor was nominated to the Supreme Court by President Ronald Reagan on August 19, 1981 and confirmed on Sept 21, 1981