According to @business, U.S. flight reductions could climb to as much as 20% if the government shutdown further degrades air-traffic control staffing, Transportation Secretary Sean Duffy said (source: Bloomberg/@business, Nov 7, 2025). For traders, the 20% figure offers a defined stress-case for airline capacity and near-term schedules that can be used to benchmark exposure in U.S. airline equities and travel ETFs should staffing conditions worsen (source: Bloomberg/@business, Nov 7, 2025).