Luggage Size

• If you are planning to check your luggage, make sure your bags do not exceed the dimensions set by the airline and the Transportation Security Administration (TSA). For carry-on bags, the length, height and width must be between 45 and 51 inches total. Checked bags can be as large as 62 inches total
  
  

Luggage Weight

• Carry-on bags must be less than 40 pounds, while checked bags must be less than 50 pounds. You can be charged up to $150 for bags weighing up to 75 pounds and up to an additional $175 for bags weighing 100 pounds. To be safe, make sure to weigh your bags at home before you head to the airport.
  
  

Carry-On Luggage Allowance

• Most airlines will allow you to take one carry-on and one personal bag. The personal bag can be a backpack or briefcase, purse or laptop case.
  
  

Checked Luggage Allowance

• Depending on the airline, you can be charged for checking your luggage. In most cases, however, you can check a maximum of two bags; any additional bags will incur a hefty charge.
  
  

International Travel

• If you are traveling internationally, make sure to check with your airline's requirements regarding weight and dimensions restrictions; they could differ from rules for domestic travel.