"I could not believe that he would say something like that, and to a baby or about a baby. And then to hit him was just, I felt like I was in another world. I was shaking," Bennett told CNN affiliate KARE in Minneapolis.
Hundley's first court appearance will be in Atlanta, Shein said. It has not yet been set, she said. Hundley must first surrender to authorities, which he has not yet done, she said.
The charge of simple assault on someone under age 16 carries a prison sentence of one year, court papers said.
In 2007, Hundley pleaded guilty to a misdemeanor assault charge filed in Virginia, according to court records.
Thompson said the familyy will evaluate evidence before deciding whether to sue anyone, including Hundley or Delta.
Thompson said Bennett saw Hundley order two drinks while she was seated and saw him being served another one while she stood at the rear of the plane. Thompson said he wasn't sure if Bennett complained to flight attendants about Hundley's behavior.
The family might have a case against Delta for serving Hundley alcohol if he was already intoxicated, CNN legal contributor Paul Callan said.
InSession legal analyst Joey Jackson said he doesn't think there's a significant case because the child was not seriously harmed.
"While this conduct was offensive, it's abhorrent, it should never happen under any circumstance, the issue of a civil case regarding money will be how are you affected," he said.