A massive winter storm prompts over 2,000 flight cancellations in the U.S., affecting 12 states. Power outages and business disruptions precede an anticipated weekend freeze. Southwest Airlines tops cancellations, with Delta and United also impacted. The Federal Aviation Administration (FAA) warns of weather-related delays, while United awaits regulatory approval to resume 737 MAX 9 operations amid an FAA investigation following an Alaska Airlines incident. Delays may persist as airlines navigate operational challenges caused by adverse Midwest weather conditions.