It's time to start planning summer vacations, and sometimes booking flights can be overwhelming. 

TripAdvisor just released its Traveler's Choice Awards for 2019, ranking the top airlines in every country and region and across the world. 

Travelers ranked Southwest Airlines the best North American airline as well as the best airline in the United States, with Delta Airlines being named the best major airline in North America. Southwest and Jet Blue were rated the best low cost airlines, and Jet Blue was ranked highest for passenger comfort. Also making the list in various categories within North America were Air North, Cayman Airways, Mokulele Airlines, Alaska Airlines, Hawaiian Airlines and WestJet. 

If you're looking to fly a little farther from home, these are the top airlines in the world, according to travelers:

Singapore Airlines Qatar Airways EVA Air Emirates Japan Airlines Southwest Airlines Azul Air New Zealand Jet2 ANA (All Nippon Airways)

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