Inwood, NY JFK to Melbourne MEL flight with Emirates

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.

Emirates is a major airline based in Dubai, United Arab Emirates, and is a subsidiary of The Emirates Group, owned by the Investment Corporation of Dubai. It is recognized as the largest airline in the Middle East and one of the world's largest international airlines. Emirates operates a fleet of wide-body aircraft, primarily Airbus A380s and Boeing 777s, serving over 150 cities in 80 countries across six continents from its hub at Dubai International Airport. The airline is known for its luxurious amenities, including private suites, onboard showers in First Class on select A380s, gourmet cuisine, and an award-winning in-flight entertainment system called "ice".

Qatar Airways is the national airline of Qatar, headquartered in Doha and based at Hamad International Airport. Established in 1993 and re-launched in 1997, it has grown into one of the Middle East's largest network airlines, operating an extensive network of international services across Europe, the Middle East, Africa, Asia Pacific, and the Americas. The airline offers passenger and air cargo transportation, along with services like corporate travel, online check-in, and in-flight entertainment. Qatar Airways is a member of the Oneworld alliance and operates a modern fleet of over 200 aircraft. It has received numerous accolades, including "World's Best Airline" multiple times.

Air Canada is Canada's largest airline and flag carrier, headquartered in Saint-Laurent, Quebec. Founded in 1937 as Trans-Canada Air Lines, it was renamed Air Canada in 1964 and fully privatized in 1989. As a founding member of Star Alliance, Air Canada provides scheduled passenger and cargo services to over 220 destinations across six continents. The airline operates a diverse fleet, including Airbus A320 family aircraft, Boeing 737 MAX, Boeing 777, and Boeing 787 Dreamliner for both short and long-haul routes. Air Canada also offers leisure travel packages through its subsidiary, Air Canada Vacations.

China Southern Airlines, headquartered in Guangzhou, China, is one of the country's three major airlines and a prominent global carrier. It boasts the largest fleet in Asia and operates over 850 passenger and cargo aircraft, including Boeing and Airbus models. The airline offers an extensive network with more than 3,000 daily flights to 224 destinations across 40 countries and regions. China Southern focuses on building international hubs, particularly with its "Canton Route" from Guangzhou, and provides various travel classes, including Economy, Premium Economy, Business, and Deluxe First.