““If you’re both lucky and everything runs smoothly, it will take 27 minutes to reach your destination. On average, it will only take 41 minutes to get through this journey. But if you want to always be on time, you need to budget… the whole 55 minutes it could possibly take. If you do, you’ll be early most of the time. (Bring a book, newspaper, or some work to do.) What do most people do, though? They give themselves 30 minutes – and are late pretty much always. Or they give themselves 40 minutes – and are late consistently. Or they give themselves 50 minutes – and are still late sometimes!””
