Most who travel by plane will have an allocated seat, and if they want perks like more leg room or a guaranteed window spot they may have to dish outs some extra cash
However, if you are jetting off with an airline that allows you to check pre-booked seats, keep an eye out for empty rows. According to TikTok user @chelsbadger there's a good chance you'll be able to sit on this empty row and have it all to yourself.
As reported by the Mirror, the avid flyer clarified it will only work for a flight that 'isn't fully booked'.
