Passenger traffic at McCarran International Airport has inched up compared with a year earlier.
Data released Thursday show nearly 3.8 million people arrived and departed from the Las Vegas airport in May. That's up 0.3 percent from May 2013.
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The number of passengers flying domestically was up 2.1 percent, while international traffic was up 7.2 percent for the month. Domestic flights account for the vast majority of traffic.
Total airport traffic is up 2.4 percent so far this year compared with the same period in 2013.
McCarran ranks as the ninth-busiest airport nationally. Southwest is by far its largest carrier, while United, Delta, American and Spirit round out the top five.