I am guessing it is an issue with united.com, where are you looking?

when I look at 9/1 for ORD - HNL I see:
9:59am 1:54pm 8h55m UA1 777 Info
5:35am 12:55pm IAH 12h20m UA3344,UA3927 738/767 Info
UA3344 Operated By:Continental Airlines
UA3927 Operated By:Continental Airlines
6:00am 1:20pm SFO 12h20m UA121,UA75 319/777 Info
6:30am 12:35pm LAX 11h05m UA101,UA3700 319/738 Info
UA3700 Operated By:Continental Airlines
7:00am 1:20pm SFO 11h20m UA149,UA75 319/777 Info
7:10am 2:26pm PHX 12h16m UA2894,UA3008 320/752 Info
UA2894 Operated By:US Airways
UA3008 Operated By:US Airways
8:00am 3:15pm DEN 12h15m UA675,UA43 752/763 Info
8:10am 3:44pm LAX 12h34m UA842,UA83 752/763 Info
9:00am 3:15pm DEN 11h15m UA245,UA43

when I look at 9/1 for JFK - LAX I see:
7:00am 10:07am 6h07m UA891 757 Info
8:30am 11:40am 6h10m UA23 757 Info
11:30am 2:38pm 6h08m UA53 757 Info
3:10pm 6:43pm 6h33m UA27 757 Info
6:05pm 9:39pm 6h34m UA25 757 Info
8:00pm 11:35pm 6h35m UA11