Every time that I need to take a plane ride anywhere in the country I constantly love to fly at night! The reason for that is because there are fewer people on the flight which means that the central A/C and heating vents in there will have far better air flow.
Also the air quality is much better too, however when there are fewer people it makes for much better air quality on a plane for some reason, however that also sort of makes sense to me in a way, but I got real exhausted of having to put up with awful heating and A/C on a plane and having wall to wall people all crammed in love a tin can.
It was absolutely not making me want to fly. It was when a friend told me about flying at night being a lot better that I gave it a try and those were my findings. I will never fly in the day again and have to deal with awful air quality and awful heating and A/C! Especially if I am on a very long flight anywhere I want to be able to have quality heating and A/C. If it is Winter time it can be pretty chilly on a plane, and if Summer it can get pretty hot. And having quality heating or A/C is a very important thing. This helps confrontation it off and everything. I look forward to flying at night also because I can have some fantastic rest not being crammed together with people.