Weber, 31, and Flanagan, 30, dated for 10 months after their time on "The Bachelor," before calling it quits in December 2020.
"They had a lot of fun together and are glad to know each other now," a source tells Page Six of the reality stars. "But as far as a relationship...
"We’ve realized that we were not prepared for the external forces that hindered our ability to not only heal as individuals but also as a couple."
The former "Bachelorette" star went Instagram-official with her bearded beau earlier this month following her split from Dale Moss.
Schwer previously apologized for the "insensitive" picture in his high school yearbook, saying he was "deeply ashamed" of his actions as a teenager.
"The only people responsible for protecting a relationship are the people in the relationship," Viall said in response to Sumner Stroh's video.
The alleged texts between Schwer and his ex-girlfriend claim the reality star broke things off right before leaving for the show in March 2022.
"He's been a front-runner for a while," a source told Page Six of the "Bachelorette" Season 19 contestant. "There's no denying that the audience loves him."
The reality star and her husband, Sean Lowe, have supported Chris Harrison since he was fired from the franchise over racially insensitive remarks.
The "Bachelor" alum announced in June that she and the country singer are expecting again. She is due in October.