With American positioning DFW as a key hub for growth and North Texas’ population continuing to boom, it’s a matter of when, not if, new gates will be needed at an airport that pumps an estimated $37 billion a year into the regional economy. A new 15-gate satellite concourse at Terminal E will open this year, enabling 100 additional daily regional flights from American. And, plans are underway for a four-gate expansion at the southern end of Terminal D.