Austrian Airlines is the flag carrier of Austria and a subsidiary of the Lufthansa Group. The airline is headquartered at Vienna International Airport in Schwechat, where it also maintains its hub. It has a customer service rating of 3 out of 5.
Alaska Airlines, which is based in Seattle, is the seventh largest U.S. air carrier. The airline serves more than 100 destinations in the contiguous United States, Canada, Mexico, and four Hawaiian Islands. It has a customer service rating of 3 out of 5.
Etihad Airways is the national airline of the United Arab Emirates. Its head office is located in Khalifa City A, near Abu Dhabi. It has a customer service responsiveness rating of 3 out of 5.
Air Canada is the Canada-based flag carrier and the country’s largest airline, providing scheduled passenger service to more than 180 destinations on six continents. The airline operates a fleet of Boeing, Airbus, and Embraer aircraft and is a founding member of the Star Alliance global airline network.
Emirates is one of the flag carriers of the United Arab Emirates. It has a customer service responsiveness rating of 3 out of 5.
Lufthansa is Germany’s largest airline, offering international passenger and cargo services It responsiveness rating of 2 out of 5.
Frontier Airlines is a Denver-based ultra-low-cost carrier serving roughly 120 destinations across the United States, Mexico, Central America, and the Caribbean. Frontier announced and began introducing First Class seating between late 2025 and early 2026, bringing premium comfort at its signature low fares. It has a customer service responsiveness rating of 3 out of 5.
Singapore Airlines is the flag carrier of Singapore. Its former regional subsidiary SilkAir was merged into Singapore Airlines in 2021, with routes absorbed into Singapore Airlines and its low-cost arm Scoot.
Hawaiian Airlines is the flag carrier and the largest airline in the U.S. state of Hawaii. It is the 10th largest commercial airline in the US, and is based in Honolulu, Hawaii It has a customer service responsiveness rating of 3 out of 5.
Southwest Airlines Co. is a U.S. passenger airline headquartered in Dallas, Texas. It operates an all-Boeing 737 fleet and serves more than 100 airports across the United States, Mexico, the Caribbean, and Central America. Southwest flies point-to-point routes rather than a hub-and-spoke network and does not charge fees for the first two checked bags. It is publicly traded on the New York Stock Exchange under the ticker symbol LUV.
