If “I’ll be there in five” often becomes 15, you’re far from alone, and not necessarily irresponsible. Scientists across psychology, chronobiology, and behavioral research have spent decades examining why some people run late while others treat punctuality as law. Studies from institutions like San Diego State University, the University of Missouri, and multiple time-management and chronotype researchers reveal lateness stems from cognitive biases, personality traits, and even biology.
Intrigued? Click on to explore the surprising science behind chronic lateness.