"Your flight has been delayed due to a mechanical problem" -- it is something a passenger never really wants to hear especially during Thanksgiving week. More than 24 million passengers are expected to fly in the U.S. during the Thanksgiving holiday which runs from November 16 through the 27. CNN went behind the scenes with maintenance crews at United Airlines at its base in Houston to find out how they work to keep planes flying safe and on time. More than 600 flights will go through Houston this Wednesday alone.

COMMENTARY-obeidallah-twinkie

On Friday, Hostess Brands announced it would be closing down, thus marking the end of its product line, which includes Twinkies. The response was swift. Facebook and Twitter were filled with comments bemoaning the loss of this creme-filled sponge cake. Eulogies appeared in publications across the country. But where were you when Hostess needed you? You weren't there for them then. Why? Because millions of us began to realize that junk food was not good for us.