On November 13 and 14, the U.S. Federal Aviation Administration (FAA) ordered a nationwide ground stop for departing flights, citing communications and air traffic control system failures linked to a global Microsoft outage. A formal advisory said the stop affected all U.S. airports. The reports described it as only the second nationwide ground stop since the September 11, 2001 attacks. In after-hours trading, JetBlue fell 2.4%, American Airlines 1.7%, and United Airlines 1.2%; ETFs tracking the S&P 500 and Nasdaq 100 declined 0.5% and 0.8%, respectively.
The FAA halted all departing U.S. flights after a global Microsoft system failure disrupted critical air traffic control communications and safety protocols.
Read the full storyThe FAA halted all departing flights across the US following a communication failure in air traffic control systems, causing significant travel disruptions.