No you do not.
Two bags carry in Air Canada Baggage Policy for the search keyword
Yes, Continental Airlines (now United Airlines) allows passengers to bring GPS devices in their carry-on baggage. It's always recommended to check with the airline for any specific guidelines or restrictions regarding electronic devices in carry-on luggage.
One bag and a carry on
baggage allowance really depends on the your ticket class, but basically economy ticket 20kg check in baggage and 7 kg hand carry like other commercial airlines. if you are member of alfursan club, you got extra 10kg with your check in baggage
The restrictions for carry ons for united airlines states that a traveler can bring on board 1 carry-on bag because of limit in space.
A Long-board, also known as a skateboard is transportable on American Airlines. The longboard must be checked as baggage and is charged as either the First or Second bag rate, as applicable. This means, if you have no baggage, whatsoever, then the longboard will be considered as your 1 piece of checked baggage. If your long-board is considered in excess of your allowable checked baggage, each board will be subject to the baggage charge for a single piece. There are strict maximum weight and size restrictions. Those are, 50Lbs and 62 inches overall.
American, JetBlue, Delta, United, and US Air have all confirmed that they will keep carry-on baggage free on fees. This happened after a senator convinced them to keep their free carry-on fee as the result of a situation with Spirit Airlines.
Spirit of America Airlines does charge a fee for carry-on luggage that will go into the overhead baggage compartments. The fees start at twenty dollars and goes up as high as forty-five dollars.
United Airlines charges baggage fees of $25 for your first checked bag and $35 for your second bag. They do not charge for carry-on luggage, but it must meet their policies. United will also charge up to $100 more per bag if they are oversized, weigh more than 50 pounds, or you are checking more than two bags per person. International fees for baggage start at these same rates, but can be higher as well.
It is the website of United Airlines. Visitors may register for flights, purchase tickets, change tickets, print boarding passes, and check flight times. Visitors can also keep up to date regarding baggage weight limits and items that are not allowed on carry-on baggage on domestic and international flights.
Some airlines are now allowing passengers two carry-on pieces of baggage. Anything further than that is now subject to additional fees, ranging from $ 25 to $ 70.