United to release results Jan. 31, no call = = = = Thursday January 16, 4:42 PM EST = CHICAGO, Jan 16 (Reuters) - Bankrupt United Airlines (UAL) said on Thursd= ay it will not hold a conference call on Jan. 31 after it releases fourth= -quarter and full-year financial results. United and parent UAL Corp., the No. 2 U.S. air carrier behind American A= irlines parent AMR Corp. (AMR), filed the largest-ever airline bankruptcy= on Dec. 9. United hopes to complete a restructuring within 18 months of the filing. = =A92002 Reuters Limited. = Roger EWROPS