The most difficult airlines riddles A list of airlines related questions that are most often answered incorrectly Aviation quiz Which airline is the largest by the number of passengers?Delta Air Lines, Inc. (NYSE: DAL), commonly referred to as Delta, is a major American airline, with its headquarters and largest hub at Hartsfield–Jackson Atlanta International Airport in Atlanta, Georgia. In 2013, Delta Air Lines was the world's largest airline in terms of scheduled passengers carried (120.6 million).very hard 26% EmiratesEmirates37%RyanairRyanair15%Lufthansa GroupLufthansa Group20%Delta Air LinesDelta Air Lines26%Created by: Tschuka. Statistics based on 1088 answers in 2 languages »airplanes riddles » Which airline is the world’s oldest one to still be using its original name?KLM was founded in 1919. Operations stopped during World War II apart from the operations in the Dutch Antilles. The airline is the "Oldest operating airline", but with the 2004 merge with Air France some dispute whether KLM should still hold the crown. QANTAS, founded in 1920, is dubbed "Oldest continuously operating airline".very hard 36% British AirwaysBritish Airways37%Air FranceAir France15%KLMKLM36%SwissairSwissair9%Created by: globalquiz.org. Statistics based on 9855 answers in 2 languages »Netherlands riddles » How long does the longest cruise flight take?About 17 hours. The flight between Qatar-New Zealand takes 16 hours and 20 minutes. It is currently the longest passenger flight in the world, operated by Qatar Airways.average 67% About 10 hoursAbout 10 hours1%About 13 hoursAbout 13 hours7%About 17 hoursAbout 17 hours67%About 22 hoursAbout 22 hours24%Created by: Tschuka. Statistics based on 1609 answers in 3 languages »planes riddles » Which airline has that logo?Korean airlines. The Korean Air logo featuring stylized "taegeukgi" design was introduced on 1 March 1984. The same symbol is used in the Korean Flag.average 68% Pepsi airlinesPepsi airlines20%Korean airlinesKorean airlines68%Indian airlinesIndian airlines6%Arabian airlinesArabian airlines4%Created by: Kasia. Statistics based on 20536 answers in 3 languages »logo riddles » At what altitude do airliners fly on long-distance flights?Approx 35,000 ft. Airplanes fly at high altitudes because of the reduction in drag, and to get into the jet streams. The Polar Jet stream ranges from 23,000 ft to 40,000 ft. The sub tropical jet stream range from 33,0000 ft to 50,000 ft.easy 73% approx 10,000 ftapprox 10,000 ft4%approx 20,000 ftapprox 20,000 ft10%approx 35,000 ftapprox 35,000 ft73%approx 50,000 ftapprox 50,000 ft11%Created by: globalquiz.org. Statistics based on 11341 answers in 2 languages »aviation riddles » Play aviation quiz and see all the questions.