United Continental Holdings Inc., Chicago, plans to contribute at least $400 million to its pension plans in 2017, the airline announced in its 10-K filed Thursday.
United contributed $421 million to its pension plans in 2016.
As of Dec. 31, United's defined benefit assets totaled $3.36 billion and its projected benefit obligations, $5.25 billion, for a funded status of 64%, down from 66.5% the previous year.
The asset allocation as of that date was 38.69% fixed-income securities, 34.96% equity securities funds, 17.47% alternatives and 8.88% other.
The discount rate used to measure benefit obligations was 4.18% at the end of 2016, down from 4.58% as of Dec. 31, 2015.