Originally Posted by
rickair7777
Regionals don't usually contract for spare aircraft. Normally the contract is for X amount of flying, and it is up to the regional to cover it. If they have good Mx, they can use fewer spares, or vice versa, but it is normally up to them.
In this contract Delta was providing the aircraft, leasing them to Mesa for $1 a month.
Was Mesa expected to buy a 900 on their own dime to use as a spare? Oh wait, yeah since there was a queue even if they did it wouldn't arrive for about a year and a half.