China immigrates to the United States, and it is best to fly directly to Boston. Which airport can take more things?

I remember, if you immigrate, you can take three pieces of luggage each, at least I do.

I'm an Air China plane. After getting an immigrant visa, I can take three tickets with me, and the ticket will indicate that I can take three tickets.

Air China refers to China International Airlines Limited.

Provisions on Free Check-in of Economy Class Baggage on American, Canadian and Brazilian Airlines;

For the route of piece-by-piece luggage transportation, each passenger can check two pieces of luggage for free, and the weight of each piece of luggage shall not exceed 23kg (50lbs), the sum of three sides of each piece of luggage shall not exceed 158cm (62in), and the sum of three sides of two pieces of luggage shall not exceed 273cm (107in).