Over 4,000 U.S. flights delayed after FAA computer outage grounds planes By: MarketWatch January 11, 2023 at 09:57 AM EST The outage hit the FAA's Notice to Air Missions System, which provides pilots with safety information. Read More >> Related Stocks: American Airlines Group, Inc. - Common Stock Delta Air Lines JetBlue Airways Corporation - Common Stock Southwest Airlines Spirit Airlines, Inc. Common Stock U.S. Global Jets ETF United Airlines Holdings, Inc. - Common Stock