India, March 19 -- Think you can spot a frequent flier? While a passenger's sleek carry-on or high-end noise-canceling headphones could be a sign, flight attendants say it's rarely that simple. The real indicators have less to do with what someone is carrying and more to do with how travelers carry themselves.

Trained to notice the little details in their passengers, we asked two flight attendants about what actually gives a frequent flier away, and, perhaps, what to know if you're looking to blend in on your next flight.

Here's what flight attendants notice about frequent fliers.

Baggage Can Be Misleading

Kristine Eksteine Nizka, an ex-flight attendant and travel planner at Love Your Italy, notes that an outfit and luggage don't rea...