BROADCAST DATE : Oct 26, 2018

Filthy flights: What are the dirtiest airplane surfaces?

When you board a flight, do you ever wonder how clean it really is? From the seat belts and tray tables, to bathrooms, and blankets, we swab and test three major airlines — Air Canada, WestJet and Porter. And we go beyond the surface to check the air quality too.

What do you think is the dirtiest spot on an airplane?