On July 11, 2026, flight operations across the United States were severely disrupted with 172 flights cancelled and 3,189 delayed nationwide. These disruptions affected multiple states including Georgia, New York, Texas, Florida, and Arizona.
Major Airports with Highest Delays and Cancellations
Hartsfield-Jackson Atlanta Airport in Georgia led the nation with 294 flight delays and 20 cancellations. John F. Kennedy Airport in New York reported 170 delays and the highest cancellation count at 35. Boston Logan Airport in Massachusetts recorded 288 delays and 16 cancellations. Dallas-Fort Worth Airport in Texas reported 262 delays and 12 cancellations. Charlotte Douglas Airport in North Carolina experienced 180 delays and 16 cancellations.
Other airports impacted include Reagan National Airport in Virginia with 123 delays and 11 cancellations, Philadelphia Airport in Pennsylvania with 120 delays and 9 cancellations, LaGuardia Airport in New York with 119 delays and 10 cancellations, Orlando Airport in Florida with 117 delays and 8 cancellations, Phoenix Sky Harbor Airport in Arizona with 87 delays and 4 cancellations, and Louis Armstrong New Orleans Airport in Louisiana with 31 delays and 1 cancellation.
Airline Operational Disruptions
American Airlines faced the most delays among major carriers, with 522 delays and 17 cancellations. JetBlue reported 179 delays and the highest airline cancellations at 42 flights. Delta
Air Lines recorded 360 delays and 28 cancellations, mainly centered around its hub at Atlanta. United Airlines had 215 flight delays and 7 cancellations. Regional operators also faced significant impacts, with SkyWest Airlines reporting 158 delays and 2 cancellations, PSA Airlines recording 120 delays and 22 cancellations, Endeavor Air with 116 delays and 2 cancellations, and Tradewind experiencing 8 cancellations and no delays.
Weather Causes and FAA Warnings
The operational disruptions on July 11 are primarily linked to widespread thunderstorms on July 10 across multiple states that affected flight schedules and aircraft rotations. The FAA had issued warnings in advance regarding thunderstorms disrupting major airports
including Boston Logan, New York’s JFK, LaGuardia and Newark, Philadelphia, Atlanta, Charlotte, and airports in Florida such as Miami, Fort Lauderdale, Orlando, and Tampa. Additional weather challenges included low cloud conditions impacting San Francisco and San Diego airports. Forecasts predict further thunderstorms and severe weather for July 12, 2026, across the southern US, including the Desert Southwest and Southeast, potentially producing damaging winds, hail, and isolated tornadoes.
Traveler and Operational Impact
Passenger flights remained in flux throughout July 11 as airlines worked to catch up on delayed aircraft rotations and crew assignments affected by prior storm activity. The busiest hubs experienced cascading delays and
flight cancellations due to congested schedules. These disruptions affected both business and leisure travelers at peak summer travel volumes. The forecast for incoming severe storms on July 12 is expected to prolong operational difficulties, particularly in southern states.
Geographic Reach of Disruptions
Flight delays and cancellations affected airports across multiple states including Arizona, Florida, Georgia, Louisiana, Massachusetts, New York, North Carolina, Pennsylvania, Texas, and Virginia. Key airports in the Southeast, Mid-Atlantic, and Desert Southwest experienced ongoing disturbances. Major airline hubs such as Hartsfield-Jackson Atlanta, Boston Logan, John F. Kennedy, Dallas-Fort Worth, Charlotte Douglas, Philadelphia, and Orlando remain the most impacted locations.
