Arizona’s largest airport, a civil-military hub 3 miles east of downtown Phoenix
Washington, D.C.’s Reagan National and Dulles International face intermittent flight suspensions during America 250 events, with the MWAA warning that airspace closures could affect schedules through late summer. Travelers are urged to monitor updates and contact airlines for changes.
Air travel is constrained by extreme heat. Reports show airlines reducing weight, cargo or fuel to ensure safe departures as temperatures soar. Studies project more frequent weight-related restrictions at hot airports midcentury, with Las Vegas and Denver highlighted for rising risk.