Can I board a flight alone with my 4 months old or not? Is it safe?

A. Absolutely with the flight it’s not a problem you can go ahead with that in fact your parents with the kids actually get an early and quick access you don’t even have to stand in the queue to Board the flight you can go ahead with it just make sure to feed the child well before you take off and after landing you should avoid feeding midflight and put cotton or earplugs to avoid air pressure