Want to know something odd? Do the honest math, and a perfectly ordinary car ride is riskier than a flight over the same distance – even though a lot of people are more afraid of flying. Let's find out why.
Change the class sizes and watch what happens to the share of sick kids – not just the count.
With the starting numbers, Class A has more sick kids (5 instead of 2) – but Class B has the bigger share (25% instead of 17%), because it's much smaller. Raw counts alone don't always tell the truth.
But careful: These numbers alone aren't a fair comparison. There are vastly more car trips than flights, and car trips are usually much shorter. Just like with the school classes, we need a reference point – not the raw count itself.
With flights there's something else going on too: because crashes are so rare, the yearly number swings wildly – sometimes 0, sometimes one bad crash with many deaths at once. For events this rare, a single year doesn't tell you much. We need a better comparison number.
Different studies land on slightly different exact figures, but they all show the same picture:
A concrete example: a flight to a beach vacation abroad and back (about 2,600 km / 1,600 miles) works out to a similar calculated risk as a single, roughly 45 km (28 mile) drive – about as far as visiting relatives in the next town, or driving into the nearest big city.
Approximate, rounded figures that vary somewhat by study. Based on international road and aviation safety research.
Move the slider: how long is the trip?
No matter how long the trip, both numbers stay huge. That means: almost every single time, you simply arrive. Cars and planes are both extremely safe. The difference from before only tells you which one is a little safer relative to the other – it's not a reason to fear either one.
Still, what you already know stays important: buckle up, sit properly in the car, look both ways before crossing. That makes the tiny chance of something bad happening even a little tinier.
Worth remembering:
Being scared of something that almost never happens doesn't make your life any safer – it just makes it less fun. So: know the numbers, think it through for a second, then relax and get on board. Car or plane, either way.