Various Carry On Luggage Sizes

I  can’t cover all of the airlines, but I think this should give you a good idea of the average free checked luggage allowances.  Presumptions: flight from USA and on an economy ticket.  You can also find this on the website.

Airline Size Number Weight
China Southern 20×40×55 1 Piece 11 lbs
American Airlines 35 inches; 45 inches 1 Personal item; 1 Carry On
United Airlines 9x14x22 inches; 9x10x17 inches 1 Carry On; 1 Personal Item
Delta Airlines 45 inches total 1 Carry On; 1 Personal Item
Emirates 22 x 15 x 8 inches 1 Personal Item 15 lbs
Southwestern Airlines 10 x 16 x 24 inches 1 Carry On; 1 Personal Item
Lufthansa 21x15x9 inches 1 Carry On 17 lbs
Air China 21x15x7 inches 1 Carry On 11 lbs
Air France 21x13x9 inches 1 Carry On; 1 Personal Item 26.5 lbs
British Airways 22x18x10 inches; 18x14x8 inches 1 Carry On; 1 Personal Item 50 lbs

 

Various Checked Luggage Sizes

I  can’t cover all of the airlines, but I think this should give you a good idea of the average free checked luggage allowances.  One thing that appears to be consistent- 62 inches total size around. Presumptions: flight from USA and on an economy ticket.

Airline Size Free Pieces Weight
China Southern 62 Inches Total 2 Pieces 50 lbs
American Airlines 62 Inches Total 2 Pieces 50 lbs
United Airlines 62 Inches Total 0 Pieces 50 lbs
Delta Airlines 62 Inches Total 1 Piece 50 lbs
Emirates 62 Inches Total 2 Pieces 50 lbs
Southwestern Airlines 62 Inches Total 2 Pieces 50 lbs
Lufthansa 62 Inches Total 1 Pieces 50 lbs
Air China 62 Inches Total 2 Pieces 50 lbs
Air France 62 Inches Total 1 Pieces 50 lbs
British Airways 81 Inches Total 1 Pieces 51 lbs