One way the Alamo City can attract the attention of airlines is by filling more seats. That’s what’s happening at San Antonio International Airport, which has set a new passenger record.

More than 834,000 ticket holders flew into or out of San Antonio International in June. Airport officials said that’s the highest level of traffic ever. More impressive is the regularity in which San Antonio International is hitting new highs. June was the 12th consecutive month that the airport recorded growth…