On a global and daily basis, far more people drive than fly. Personal vehicle travel is the primary mode of transportation for billions of people for work, errands, and regional travel. For example, in the United States alone, there are over 2.2 trillion passenger miles traveled in cars and trucks annually, compared to roughly 770 billion miles traveled by air. While the "number of flights" globally is impressive—exceeding 35 million departures per year—the sheer volume of daily car trips dwarfs this figure. However, when looking at long-distance travel (trips over 500 miles), flying becomes the dominant and preferred choice due to time efficiency. Statistically, driving is much more dangerous; you are nearly 1,200 times more likely to be injured or killed in a car than on a scheduled commercial flight per passenger mile. In 2026, as urban congestion grows and high-speed rail expands, the "driving" numbers are seeing slight declines in some European and Asian markets, but globally, the internal combustion engine (and increasingly the EV) remains the most used form of human mobility.