Passenger traffic at John Wayne Airport was up 2.9% in January from a year earlier to 718,549, according to the latest numbers from the airport.

Southwest Airlines and its subsidiary AirTran Airways served a combined 301,776 passengers, the most for the month.

United Airlines served the second highest (104,162) followed by American Airlines (90,159).

International traffic, which comes from the airport's service to Canada and Mexico, was off about 7.4% for the month to 27,845.