How long is a flight from....

How long is a flight from....?
How long is a flight from Pittsburgh, PA to Denver, Colorado? Just because I already got a stupid answer, I would like the answer measured in hours!
Air Travel - 5 Answers
Random Answers, Critics, Comments, Opinions :
1 :
About this far on the map (-------------------------------------------------------)
2 :
According to southwest, they range from 4-7 hours, typically they make a stop or two so it'd be quicker (3-4 I'm guessing) if you can get a direct flight
3 :
Hi. Probably about three hours
4 :
This morning United flight 7559 left Pittsburgh at 8 AM and flew non-stop to Denver, arriving there at 9:13 AM, an elapsed time of 3 hours 13 minutes. Regards, Dan
5 :
A direct flight from Pittsburgh to Denver would be approx. 3 Hrs 40 Min