Passenger traffic at McCarran International Airport has climbed up 1.3 percent compared with a year earlier.
Data released Thursday show nearly 3.7 million people arrived and departed from the Las Vegas airport in June.
The number of passengers flying domestically was up 1.8 percent, while international traffic was up 9.2 percent for the month. Domestic flights account for the vast majority of traffic.
Total airport traffic is up 2.2 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 Allegiant round out the top five.