What Are the Best US Airlines of 2019?
Here Are the Best (and Worst) American Airlines, According to Experts and Fliers
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With more than 50 percent of customer reviews rating Allegiant Air as "average" on TripAdvisor, and through reading reviews based off of firsthand experiences, it's evident that travellers are mostly booking this airline for cheap weekend getaways and last-minute trips. It's a no-frills airline, so you get what you pay for, including cramped seats.