Weather snarls some flights during busy holiday travel week

Flight Disruptions & Delays - Nationwide, there were 3,600 flight delays [2] - Atlanta airport, the world's busiest, runs 2,100 flights daily, serving 80% of the US population within a 2-hour flight radius [2] - Weather-related issues in Atlanta and Chicago (O'Hare) are causing significant disruptions [4] - Other major hubs like Minneapolis, JFK, LaGuardia, and LAX are also experiencing ripple effects [5] - A 20-inch oil pipeline break in Seattle disrupted jet fuel supplies, causing some flights to refuel in other cities [3] Airport Operations & Safety - Atlanta air traffic controllers evacuated the tower due to heavy fog and tornado fears, causing flight slowdowns [1] - The tower evacuation lasted approximately 10 minutes [1] - SeaTac airport in Seattle is returning to normal operations after the oil pipeline issue [3] Travel Recommendations - Delta's customer service advises passengers to allow extra time for travel to reduce stress [4]