I’ve noticed this as well, especially when booking flights on airlines ... the reservation can sit next to up to two children in their party for free.” United does note that seat assignments ...

Each airline handles seating assignments differently. This guide will tell you exactly how to get your family's seats ...

Standard economy includes seat selection and a free carry-on. All three economy classes charge for checked bags on domestic flights. United Airlines is one of the largest airlines in the U.S ...