The oldest airline in the world is about to turn 100 years old.

KLM Royal Dutch Airlines was established in 1919, meaning this year marks an entire century in the flying business. Quantas was founded just one year later, so they’ll have to wait just a little bit longer for their centennial.

“Olive” those pennies add up.

In 1987 American Airlines saved $40,000 by removing one olive from each salad served in first class. Makes you wonder how much they would have saved by removing the salad from the menu entirely.

You can lose 1.5 liters of water from your body over a 3-hour flight.

Yes. You heard that right. You can shed up to a liter and a half of water from your body in the course of a 3-hour flight. For those of you who can’t relate to the metric system – think filling a Big Gulp up at your local 7 Eleven.

Lufthansa is the world’s largest purchaser of caviar.

When you love something, sometimes you just have to buy it. And Lufthansa loves caviar. They purchase over 10 tons per year making them the world’s single biggest customer.

Internet and Online check-in turns 20 this year

Thank Alaska Airlines for this one. They introduced the internet and online check-in way back in 1999.