The agenda and meeting schedule is being developed and should be available three weeks to a month before the conference itself i.e. late September/early October.
However, ICANN meetings largely follow the same formula, so here is a loose guide as to what you can expect at Los Angeles.
Saturday 27 Oct
Morning: One or two task force or working group meetings covering specific issues such as Whois, new gTLDs
Afternoon:Continuation of the morning's discussions.
Sunday 28 Oct
Morning: GNSO Working Groups meetings. Possibly a closed GAC working group meeting.
Afternoon: Possible a GNSO Council working meeting. Continuation of closed GAC working group meeting. Possibly a workshop.
Monday 29 Oct
Morning: The opening ceremony, followed by the public forum.
Afternoon: ICANN Workshops and Public Forums. Joint meetings between supporting organisations. Most likely GAC and GNSO. Possibly ccNSO and GNSO. Possibly ccNSO and GAC.
Tuesday 30 Oct
Morning: Individual constituency meetings where different groups such as registries, registrars, and so on meet up and discuss the issues.
Afternoon: GAC meeting; a workshop or two; more constituency meetings.
Wednesday 31 Oct
Morning: GNSO public forum; visits by the ICANN Board to the different supporting organisations; closed GAC session.
Afternoon: Continuation of closed GAC meeting; ccNSO Council meeting; one or two interesting sessions on topical matters.
Thursday 1 Nov
Morning: ICANN Board public forum.
Afternoon: ALAC meetings
Friday 2 Nov
Morning: Public Board meeting