Reagan National Ranked Least Reliable U.S. Airport

A new Consumer Affairs report identifies the Arlington airport as having the highest cancellation rate in the nation.

Updated on Oct. 29, 2026 in Air Travel

Bold vector editorial illustration showing an empty row of modern terminal seats looking toward glass windows, conveying travel disruption. — Ronald Reagan Washington National Airport was ranked the least reliable major U.S. airport in 2026, driven by high cancellation and delay rates. AI Illustration. Upload story photo >

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Ronald Reagan Washington National Airport has been named the least reliable major airport in the United States according to a 2026 report. The study also placed Dulles International Airport among the bottom ten major facilities in the country.

Why it matters

Travelers through the Arlington area frequently face significant disruptions, as nearly half of all delays at Reagan National originate from incoming flights arriving late. Reliability in this report is measured by analyzing rates of flight diversions, cancellations, and delays exceeding three hours.

Ronald Reagan Washington National Airport maintains a 2.8% flight cancellation rate, the highest among major U.S. airports. Severe delays are categorized as those exceeding 3+ hours.

The players

Ronald Reagan Washington National Airport

This facility is a major aviation hub serving the Arlington and Washington, D.C. area.

Dulles International Airport

This is a major international airport located in the Northern Virginia region.

Consumer Affairs

This organization tracks consumer data and provides reports on service quality across various industries.

The details

Nearly 50% of delays recorded at Reagan National result from incoming aircraft arriving behind schedule. The facility also leads the nation in canceling the final flight of the day, further impacting passengers with late-night itineraries.

2026: Consumer Affairs issued the airport reliability report.

Travel Outlook

This analysis follows methodology established by the U.S. Department of Transportation's flight delay and cancellation database to evaluate nationwide airport performance. The rankings highlight a broader trend where airports in the Northeast U.S. consistently underperform those in the Western U.S.

Arlington travelers should allow for extra time when booking late-day flights due to the airport's high frequency of final-flight cancellations. Passengers may also consider flying out of alternative hubs if their schedule does not permit significant delays.

The takeaway

Reliability at major hubs remains heavily influenced by regional operational patterns and incoming flight connectivity. Travelers can mitigate potential issues by choosing morning departure windows whenever possible.