Ninoy Aquino International Airport (NAIA) maintained its growth momentum in passenger volume during the first four months of 2026, rising by 4.5 percent to more than 18 million despite the impact of higher jet fuel prices on airfares.Based on data from NAIA regulator Manila International Airport Authority (MIAA), the country’s primary gateway increased its passenger traffic to 18.29 million from January to April, compared to 17.5 million in the …