Surge in U.S. Flight Cancellations & Delays
Summer 2025 has seen a sharp rise in airline disruptions across the United States. The national flight cancellation rate is up roughly 29%, climbing from 1.4% last summer to 1.8% this year, with delays affecting over 27% of flights and average delays extending by nearly four minutes to about 62 minutes
The most impacted airports are:
Ronald Reagan Washington National Airport (DCA): cancellations up 274%, nearly 6% of flights canceled
Hartsfield‑Jackson Atlanta (ATL): up 257%
Others heavily hit include Dulles (IAD), Logan (BOS), LaGuardia (LGA), and Philadelphia (PHL)
On the upside, Miami (MIA), Fort Lauderdale (FLL), San Francisco (SFO), Dallas/Fort Worth (DFW), and Los Angeles (LAX) saw fewer cancellations than last summer, with improved on‑time performance.
Southwest’s New Delays and Cancelled Flights
Southwest Airlines has canceled around 100 flights, roughly 2% of its schedule, with an additional 7% delayed. Weather disruptions—especially low ceilings—have been the main culprit. Key affected routes include Washington D.C. to Los Angeles, San Diego to Sacramento, and Honolulu to LA/Burbank/SF.
FAA Staffing & Newark Flight Limits
The FAA has extended slot waivers for major NYC airports through October 2026, easing their 80% minimum usage rule due to controller shortages and system limitations.
Additionally, Newark Liberty Airport remains subject to hourly caps of 28 arrivals and departures due to runway construction and air traffic control issues; these limits are in place through October 2025.
Schedule Reductions from Major Carriers
Airlines including United, JetBlue, and Avelo are cutting dozens of domestic routes beginning in August. United plans a 4% reduction in flights, while American Airlines confirmed earlier rumors of widespread cancellations were unfounded and will continue operating ~6,700 daily flights.
Weather Woes & Natural Hazards
Severe weather—including thunderstorms, high winds, and flooding—triggered over 12,000 disruptions in mid-July. Airports most impacted include JFK, LaGuardia, Newark, Chicago O’Hare, Atlanta, Orlando, and Denver, disrupting both domestic and inbound international travelers.
Tips for Travelers: Navigating August Air Travel
Book flights early in the day and opt for direct routes to reduce cancellation risk.
Arrive at least 2 hours before domestic and 3 hours before international departures.
Monitor flight alerts via official airline and FAA channels.