I fly from KALB to KTPA and back alot. It's about a 2.5 hour flight. I will usually fly the 737-400 or the Learjet. Real weather has a big impact on flight times here.
Any number of things keep me going. I like long flights because it makes me work hard for a perfect landing. After flying 2+ hours you really want to nail the landing.
Scenery is a big reason too. FS2002 has done a good job representing my home airport , KALB, so when I fly back I think I get a feel for what real pilots see. I also think that the places I fly to are just as good.
Seeing my plane in flight is high on the list. I have active camera, so seeing the plane in a turn at FL320 with the contrails above and ground below makes it fun for me.
Other airplanes keep it fun too. I using PAI, and seeing real airlines in my sim helps me forget that I'm sitting in front of my computer.
Overall, there is always something going on in the sim, so I never get bored.
I am ready to fly to Europe. Mastering the 747 is another story.
