Mandy Moore couldn’t be happier with how well her baby did on his first flight ever.On Thursday, July 1, the This Is Us actress took to Instagram to document her experience of taking her 4-month-old son August “Gus” Harrison on his first flight along with husband Taylor Goldsmith.“First flight for Mom and Dad in 16 months. Baby’s first flight ever,” she wrote alongside a selfie of her family on the plane.