"Airline Delays: SFO Passengers Stranded for Days Amid July 4 Travel Rush"

Passengers at San Francisco International Airport (SFO) are experiencing flight cancellations and delays as United Airlines continues to struggle with staffing shortages and weather-related issues. Many travelers have been stranded for days, with long lines and growing piles of baggage at the airport. The situation is expected to worsen in the coming days, particularly for United Airlines, as the Fourth of July holiday weekend approaches. United CEO Scott Kirby blamed the airline's struggles on a shortage of air traffic controllers, while Transportation Secretary Pete Buttigieg acknowledged the understaffing issue but also highlighted internal issues within United. Additionally, the deadline for airlines to complete upgrades to avoid interference from 5G wireless systems is approaching, further complicating the situation.