Regarding growth at ORD specifically:
https://www.reuters.com/business/uni...es-2026-01-21/

United draws 'line in the sand' in escalating Chicago O'Hare fight with American Airlines

"In 2026, we're drawing a line in the sand," Kirby told analysts on a conference call to discuss the company's quarterly earnings released on Tuesday. "We are not going to allow them to win a single gate at our expense … We're going to add as many flights as are required to keep our gate count the same in Chicago."