How long does this flight take

How long does this flight take?
cleveland to las vegas. i really need to know. please please please help... my mom left this morning on a flight from cleveland to las vegas and she wont have her cell phone on until she lands...but i need her as soon as possible. does anyone know how many hours this flight will take?
Air Travel - 2 Answers
Random Answers, Critics, Comments, Opinions :
1 :
My guess is about 3 to 3-1/2 hours. If you know her flight # or her airline, go to the airline website and use the "Flight Status" or "Flight Tracker" which will tell you when her plane is due to land.
2 :
DIRECT: 4:26 hours! track it at the airlines web or at: http://flightaware.com/