Thousands of Southwest Airlines passengers remained stranded Tuesday across Southern California as the airline's winter woes worsened, leading to canceled and delayed flights throughout the nation. As of 4:20 p.m. Tuesday, the airline had canceled 2,653 flights nationally, including some from San Diego International Airport and other airfields across Southern California, according the tracking website FlightAware. In San Diego, cancellations hit 188 by late Tuesday afternoon and 177 Southwest operated flights were canceled. Stranded passengers were left with few alternatives, with the Southwest Airlines' website listing all flights departing from Southern California as "unavailable" through Saturday. MORE: https://www.cbs8.com/article/travel/southwest-airlines-cancelations-san-diego/509-edfb4939-a2e3-431d-aae4-7016e825982f