No tener vuelo is a Spanish slang term that means 'to be simple or not sophisticated', often used to refer to someone who doesn't think big or has a limited mindset.
Examples
- Spanish: Juan no tiene vuelo, siempre está contento con lo mínimo y nunca se esfuerza por más.
- English: Juan doesn't have flight, he is always happy with the bare minimum and never strives for more.