On these types of aircraft (as well as several others), the cabin window lines are interrupted by the existence of air conditioning riser ducts, window conduits, or electrical wiring embedded in the cabin wall, which makes placing a window there impossible for the manufacturers.

If you have ever found yourself stuck in the middle seat because you couldn't decide, here's a guide breaking down the pros and cons of each seat type

Air travel can be unpredictable, crowded planes, emotional passengers, and tense moments at 30,000 feet. In this viral travel story, a simple seat change request quickly turns into shocking in-flight drama that no one on the plane could have predicted.