But the tentative contracts are expected to eliminate a number of jobs.
The tentative contract also increases wages by 14.5 percent over three years.
The tentative contract offers a 14.25 percent raise over 52 months and 12 days.
A tentative contract was reached on October 3, 2005, nearly 16 months late.
The department has accepted that price in the tentative contract.
The two sides ultimately reached a tentative contract that was ratified by the union.
American offered a similar formula in the tentative contract that was rejected two years ago.
United Airlines and its pilots reached a tentative contract after more than three years of bargaining.
They sent a tentative contract and invitation to spring training in the mail.
Ten of the unions have reached tentative contracts with the railroad.