Following World War I, the United States found itself swamped with aviators. Many decided to take their war-surplus aircraft on barnstorming campaigns, performing aerobatic maneuvers to woo crowds. In 1918, the United States Postal Service won the financial backing of Congress to begin experimenting with air mail service, initially using Curtiss Jenny[26] aircraft that had been procured by the United States Army Air Service. Private operators were the first to fly the mail but due to numerous accidents the US Army was tasked with mail delivery. During the Army's involvement they proved to be too unreliable and lost their air mail duties.[27] By the mid-1920s, the Postal Service had developed its own air mail network, based on a transcontinental backbone between New York City and San Francisco.[28] To supplement this service, they offered twelve contracts for spur routes to independent bidders. Some of the carriers that won these routes would, through time and mergers, evolve into Pan Am, Delta Air Lines, Braniff Airways, American Airlines, United Airlines (originally a division of Boeing), Trans World Airlines, Northwest Airlines, and Eastern Air Lines.
Operating costs for US major airlines are primarily aircraft operating expense including jet fuel, aircraft maintenance, depreciation and aircrew for 44%, servicing expense for 29% (traffic 11%, passenger 11% and aircraft 7%), 14% for reservations and sales and 13% for overheads (administration 6% and advertising 2%). An average US major Boeing 757-200 flies 1,252 mi (2,015 km) stages 11.3 block hours per day and costs $2,550 per block hour : $923 of ownership, $590 of maintenance, $548 of fuel and $489 of crew; or $13.34 per 186 seats per block hour. For a Boeing 737-500, a low-cost carrier like Southwest have lower operating costs at $1,526 than a full service one like United at $2,974, and higher productivity with 399,746 ASM per day against 264,284, resulting in a unit cost of 0.38 $cts/ASM against 1.13 $cts/ASM.[71]
These little coral islands are surrounded by excellent diving, snorkeling, and white sand beaches, and are filled with friendly locals. Private resorts litter the islands, and a vacation here is also very pricey. Luckily, Bangkok Airways offers cheap flights to and from Thailand. The best time to go to the Maldives is from November to May, when the weather is cool and dry. June through October sees wetter and hotter weather due to the monsoon season.
Who hasn’t been spellbound by images of Capri’s electric Blue Grotto? This glowing sea cave impresses even veteran globetrotters — and it’s only the beginning of the island’s marvels. Ash-white limestone cliffs, hidden slivers of beach, a towering natural arch: It’s no wonder Capri has been a tourist hub since ancient Roman times. Tip: Climb up to the ruins of Emperor Tiberius’ Villa Jovis, circa A.D. 27, for a heart-stopping vista.
Tisno on the island of Murter is one of the two major electronic music festival locations in Croatia. Over the summer months people flock to Tisno to attend such festivals as Suncebeat, Electric Elephant and Love International festivals. Aside from music, Murter is strikingly beautiful and you can easily do a day trip to the Kornati Islands from Murter.
Among the first countries to have regular airlines in Latin America and the Caribbean were Bolivia with Lloyd Aéreo Boliviano,[57] Cuba with Cubana de Aviación, Colombia with Avianca (the first airline established in the Americas), Argentina with Aerolineas Argentinas, Chile with LAN Chile (today LATAM Airlines), Brazil with Varig, Dominican Republic with Dominicana de Aviación, Mexico with Mexicana de Aviación, Trinidad and Tobago with BWIA West Indies Airways (today Caribbean Airlines), Venezuela with Aeropostal, Puerto Rico with Puertorriquena; and TACA based in El Salvador and representing several airlines of Central America (Costa Rica, Guatemala, Honduras and Nicaragua). All the previous airlines started regular operations well before World War II. Puerto Rican commercial airlines such as Prinair, Oceanair, Fina Air and Vieques Air Link came much after the second world war, as did several others from other countries like Mexico's Interjet and Volaris, Venezuela's Aserca Airlines and others.

Groups such as the International Civil Aviation Organization establish worldwide standards for safety and other vital concerns. Most international air traffic is regulated by bilateral agreements between countries, which designate specific carriers to operate on specific routes. The model of such an agreement was the Bermuda Agreement between the US and UK following World War II, which designated airports to be used for transatlantic flights and gave each government the authority to nominate carriers to operate routes.
Every imaginable shade of blue manifests in the lagoon of Bora Bora, aka, the Jewel of the South Seas. Coral motus ring the main island like a sandy sash, and beneath the surface, dolphins, rays, sharks, turtles and colorful fish throng. Presiding over it all is the moss-green volcanic peak of Mount Otemanu, where god descended to the island on a rainbow, according to local lore. Timeless grass-skirted dancers and exotic overwater bungalows round out the sublime scene. 

To island-hop some of the most beautiful havens in the world, book a trip to Asia, which lays claim to six of this year’s top 15 destinations. But if you only have a week, you’ll hardly suffer. Each of the islands on this list is worth a visit on its own, from the perennial World’s Best list-makers Maui and the Galápagos to Portugal’s rising star, the Azores, with its friendly locals and awe-inspiring landscapes.
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