New York, NY NYC to Toronto, ON YTO flight with Air Canada

United Airlines, established in 1926, is a major U.S. airline headquartered in Chicago, Illinois. Operating an extensive domestic and international network, United serves more destinations than any other airline, connecting travelers across six continents. The airline's eight hubs include Chicago–O'Hare, Denver, Houston–Intercontinental, Los Angeles, Newark, San Francisco, Washington–Dulles, and Guam. As a founding member of the Star Alliance, United offers a comprehensive range of services, including regional flights through United Express, catering to both leisure and business travelers. The airline is committed to sustainability, investing in sustainable aviation fuel and innovative technologies to reduce its environmental impact.

Jazz Aviation LP, commonly known as Jazz, is a Canadian regional airline and a wholly owned subsidiary of Chorus Aviation. It primarily operates as Air Canada Express, providing regional and charter services across Canada and the United States. Jazz is Canada's largest regional carrier and plays a crucial role in Air Canada's network, carrying a significant portion of its daily passengers and offering nearly half of its transborder departures. With its main base in Halifax, Jazz serves 79 destinations and operates a fleet of Bombardier aircraft. Beyond passenger flights, Jazz also offers charter services and provides maintenance, repair, and overhaul (MRO) services through Jazz Technical Services.

American Airlines is one of the largest airlines in the world, connecting travelers to hundreds of destinations across the United States, Latin America, Europe, Asia, and beyond. Operating from major hubs such as Dallas/Fort Worth, Miami, and Charlotte, American offers a wide range of travel options. Passengers can choose from Economy with affordable fares, Premium Economy with extra space, or Business and First Class featuring flat-bed seats, premium dining, and lounge access. With a modern fleet and membership in the oneworld alliance, American Airlines combines global reach with comfort and reliability.

Flair Airlines is a Canadian ultra low-cost carrier (ULCC) headquartered in Edmonton, Alberta, operating scheduled passenger and chartered services with a fleet of Boeing 737 aircraft. The airline aims to provide affordable air travel and serves over 35 cities across North America, including destinations in Canada, the United States, Mexico, Jamaica, and the Dominican Republic. As a low-cost carrier, Flair Airlines offers an all-economy cabin with various services and amenities available for additional fees, such as baggage allowances and in-flight catering. While they don't offer traditional business or first class, passengers can choose from different fare bundles like the Basic Bundle and Big Bundle, which include options like checked bags, carry-on bags, and priority boarding. Flair also provides an On-Time Guarantee, compensating passengers for significant delays.

Porter Airlines is a Canadian airline headquartered at Billy Bishop Toronto City Airport, known for its focus on convenience and customer service. Established in 2006, it has grown to be the third-largest airline in Canada. Porter operates scheduled flights across North America, utilizing a fleet of De Havilland Canada DHC-8-400 turboprops and Embraer 195-E2 jet aircraft. A key feature of Porter Airlines is its \Flying Refined\" brand, emphasizing a premium travel experience with amenities like complimentary beer, wine, and snacks, as well as free Wi-Fi on its E195-E2 jets. They also offer a unique two-by-two seating configuration, ensuring no middle seats on their flights. Porter's main hubs include Toronto–Billy Bishop, Toronto–Pearson, and Ottawa Macdonald-Cartier airports."

Republic Airways is a major regional airline in the United States, operating as a subsidiary of Republic Airways Holdings. It provides scheduled passenger service for American Airlines (as American Eagle), Delta Air Lines (as Delta Connection), and United Airlines (as United Express) using a fleet of Embraer 170 and 175 regional jets. Headquartered in Indianapolis, Indiana, Republic Airways operates over 900 daily flights to more than 80 cities across the U.S. and Canada. The company is known for its large fleet of Embraer E-Jets and its state-of-the-art training facilities. In April 2025, Republic Airways Holdings announced its acquisition of Mesa Air Group, which is expected to create the second-largest regional carrier in the U.S.