Chicago–O'Hare – The third-largest hub for American in terms of number of flights and American's primary hub for the Midwest. About 28 million passengers fly on American through O'Hare every year, or about 77,000 people per day. American has about 35% of the market share at O'Hare making it the airport's second-largest airline after United.
American Airlines allows pets to travel on most flights less than 12 hours. Pets may travel in the cabin for a fee of $125 per kennel per way. The animal must be at least eight weeks old and must stay in the kennel under the seat in front of you. Kennels may not exceed 19x13x9 inches, and pets should be able to stand up and move around comfortably.
Some cities have restrictions on subletting for a short period of time. Airbnb has published a list of regulations and requirements for cities in the United States. In some cities, collection of a transient occupancy tax by Airbnb is required. In many cities, hosts must register with the government and obtain a permit or license. Landlords or community associations may have restrictions on short-term sublets.