NBC, which only has American Ninja Warrior's Minneapolis qualifiers booked for this Monday, has yet to announce any tweaks to its line-up, while Fox as has been the case this summer has a disposable 9-1-1 rerun airing at 9 pm.
Democratic Sen. Richard Blumenthal accused Trump of outsourcing his decision to the Federalist Society and other conservative groups.
The president has also said previously to reporters that he has narrowed the pool, saying on Thursday "of the four people, I have it down to three or two".
The son of Indian-American immigrants, Thapar is the Nation's first Article III judge of South Asian descent.
Sacha Baron Cohen Trolls Donald Trump, Seemingly Teases New Project
Ali G creator Sacha Baron Cohen has hinted that he is about to take on Donald Trump 15 years after the duo clashed in 2003. An archive video of Trump attacking Cohen then plays, with the president branding the Englishman a "third-rate character".
While the U.S. Senate once required a 60-vote supermajority to overcome blocking tactics against Supreme Court nominees, the Republican majority changed the rules previous year during the debate on Justice Neil Gorsuch.
Talking to reporters travelling with him to Montana overseas Air Force One, Mr Trump said he has interviewed some "extraordinarily talented and brilliant" people during the process.
The US President has chosen prime time to make the announcement.
Trump during his campaign in 2016 said he would appoint justices who would overturn the landmark 1973 decision that said women have a constitutional right to an abortion. "We've been talking about this for 36 years going all the way back to the nomination of Sandra O'Connor, and after that you only have a single individual on the court who has expressly said he would overturn Roe".
Judge Raymond Kethledge of MI, who serves on the 6th U.S. Circuit Court of Appeals, is seen in this 2017 photo released by Bloomsbury Publishing Inc.in New York, New York, U.S., July 6, 2018. "It's, well let's just say it's the four people. The whole list is extraordinary", he said. I think they're all outstanding. On Sunday there was no indication that he had yet made his decision, as speculation continued to swirl around the appointment. Add Donald Trump as an interest to stay up to date on the latest Donald Trump news, video, and analysis from ABC News.