Foul Bathrooms, Long Lines, Terrible Traffic: You'll Never Believe Which Airports are the Worst

7. Toronto Pearson International

7. Toronto Pearson International

The massive lines for security and baggage are what make Toronto Pearson Canada's representative on this list. Travelers also weren't keen on the 17-mile commute to the city of Toronto.

Related: Drop Everything and go to Toronto Right Now

We've all heard of air rage, where people flip out on airplanes. But oftentimes, the launch sequence to a full-fledged aerial freakout begins at the airport. Confusing layouts, delays, crowds — it's enough to make you consider walking to your destination.

And this week, when more than 3.5 million travelers are expected to take flight for Thanksgiving, expect fliers' airport frustration to multiply by a million — especially if you're in one of the most frustrating airports.

Bloomberg Businessweek has released " The Airport Frustration Index" — a ranking of the most frustrating airports in the U.S. and Canada. Each airport gets a Frustration Score, which includes factors like how long it takes to reach each airport during rush hour, on-time arrivals and departures, and the opinions of more than 3,000 travelers surveyed (another good way to make the list: be one of the three airports that serve New York City).

Here are the top 10 Most Frustrating Airports in North America: