SAN DIEGO, CALIFORNIA - DECEMBER 6: A Southwest Airlines Boeing 737 airplane departs from San Diego International Airport en route to Phoenix on December 6, 2025 in San Diego, California. (Photo by Kevin Carter/Getty Images)Getty ImagesSouthwest Airlines (LUV) stock has reached day 10 in a consecutive streak of gains, resulting in a total increase of 20% over this timeframe. The company has added approximately $2.8 billion in value during the past 10 days, bringing its current market capitalization to aroun ...