This love-filled February, solo travel is on the rise and United is sharing travel hacks, popular destinations and app features to empower adventurers to get ready for National Plan a Solo Vacation Day on March 1 with the ultimate travel mantra: YOLO (You Only Live Once), Fly SOLO. Google searches for “solo travel” skyrocketed 223% in the past decade and solo fliers took 5% more trips with United in 2024 compared to 2023.