Los Angeles, CA LAX to Hanoi HAN flight with Japan Airlines

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.

Cathay Pacific is a leading international airline based in Hong Kong, renowned for its premium service and extensive global network. Operating flights to over 190 destinations across 60 countries, the airline connects travelers to Asia and beyond. Cathay Pacific is committed to providing a superior travel experience, featuring comfortable seating, award-winning in-flight entertainment, and a diverse range of dining options. The airline also emphasizes sustainability, implementing initiatives to reduce its environmental impact. With a focus on customer satisfaction and operational excellence, Cathay Pacific continues to be a preferred choice for travelers seeking quality and reliability in air travel.

Japan Airlines (JAL) is a major Japanese airline headquartered in Tokyo, established in 1951. It is considered the flag carrier of Japan and operates an extensive network of domestic and international flights, serving over 90 destinations worldwide. JAL's main hubs are Tokyo's Narita and Haneda airports, with secondary hubs in Osaka. The JAL Group includes several subsidiaries for domestic feeder services and cargo operations. JAL is also a member of the Oneworld airline alliance, enhancing its global reach.

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.

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."

Lufthansa is Germany’s largest airline and one of the leading carriers in Europe, connecting travelers to destinations worldwide from its main hubs in Frankfurt and Munich. Its modern fleet offers a wide choice of travel experiences, from Economy Class with affordable fares and onboard entertainment to Premium Economy, Business Class, and First Class with extra comfort, fine dining, and exclusive lounge access.

Korean Air is the flag carrier and largest airline of South Korea, headquartered in Seoul. Established in 1969, it operates an extensive network of domestic and international passenger and cargo flights. Korean Air is a founding member of the SkyTeam alliance and SkyTeam Cargo. The airline is recognized as a 5-star airline by Skytrax and is among the top 20 airlines globally in terms of passengers carried. Its fleet includes aircraft from both Boeing and Airbus, serving destinations across Asia, Africa, Europe, South America, and North America.

Alaska Airlines, headquartered in SeaTac, Washington, is a major U.S. airline and the fifth-largest in North America by scheduled passengers carried as of 2024. Along with its regional partners, Horizon Air and SkyWest Airlines, Alaska Airlines operates a route network primarily connecting cities along the West Coast of the United States, including Alaska and Hawaii, to over 100 destinations in the contiguous U.S., the Bahamas, Belize, Canada, Costa Rica, Guatemala, and Mexico. The airline is a member of the Oneworld alliance, offering passengers access to a broad global network. Alaska Airlines is known for its customer service and loyalty program, Mileage Plan, and offers First Class, Premium Class, and Main Cabin seating options. The airline's primary hub is Seattle-Tacoma International Airport. In 2024, its parent company, Alaska Air Group, acquired Hawaiian Airlines.

Singapore Airlines (SIA) is Singapore's flag carrier, headquartered at Changi Airport. Established in 1972, it is recognized as one of the world's leading airlines, having been ranked as a 5-star airline and named the world's best airline by Skytrax multiple times. SIA operates a modern fleet of Airbus and Boeing wide-body aircraft, including the Airbus A380, for which it was the launch customer. The airline offers extensive passenger and cargo services across five continents, connecting 64 cities in 35 countries. Singapore Airlines is also known for its commitment to customer service, gourmet in-flight meals, and advanced entertainment systems. It is a member of the Star Alliance.

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."