Originally Posted by
dera
One of the requirements for a contract to be legal and binding is that it needs to have consideration. Something of value for both parties. An arbitrary training contract often does not have that.
Well, it might. At common law, consideration can be something of value given up by the promissee, whether or not the promisor later retains any benefit from it. The company-specific training was of prospective value at the time of signing, and it did cost the airline time and effort to deliver.