Airlines - how do they organise their planes?

[KardioKate]

How does this work? For example take a budget airline such as queasyjet. Are certain planes alloted to certain routes and spend their airtime shuttling between two airports?

Or are they run on a diagram system?

[coanda]

Serendipity!

[coanda]

This link is probably more informing!

http://www.airliners.net/aviation-forums/general_a...