U.S. airports and federal officials scrambled to restore flights after yesterday's historic grounding.
Transportation Secretary Sean Duffy said operations were back at full capacity, but warned that delays and cancellations would persist through the busy travel weekend.
FlightAware reported over 5,500 canceled flights nationwide, with major hubs such as Los Angeles, Chicago, Atlanta, Dallas, Denver, New York and San Francisco experiencing cancellation rates of 17 percent or higher.