Together, those three labor groups account for more than 80 percent of the 83,000 workers at United.
The interests of each labor group are going to be different, he said.
His labor group is spending $5 million to try to stop the recall.
"This is the last major labor group they need to settle with."
The labor group promised that the owners would never know.
Instead, it remained an association of labor groups organized at the local level.
In response to all the changes, many labor groups are trying to gain more control over their fate.
He said whatever was done would follow "discussion and cooperation with our labor groups."
It is the only labor group that has not reached an agreement with United on cuts.
"I see it as a simple disagreement with some labor groups on this one issue," he said.