At the moment I can only see the routes and times up to September 5th and we arrive on the 7th.
When will the timetable/routes be published for after September 5th as I’m trying to plan our time in the park before we go.
The Grand Canyon South Rim shuttle system usually publishes seasonal timetables a few weeks in advance, but exact dates can vary from year to year. For planning purposes, here’s how it generally works:
Shuttle services at the South Rim run on a summer schedule and then switch to a “fall” or “off-peak” schedule after Labor Day, which typically falls in early September. The fall schedule often runs from early September through mid-May, with fewer buses and reduced frequency on some routes.
For visitors arriving after September 5th, the updated timetable is usually released online by the National Park Service around late August or very early September. This allows travelers to see the full post-Labor Day schedule.
In short, the timetable/routes for your September 7th arrival should be available in late August. Meanwhile, you can plan your visit roughly using the September 1–5 schedule, keeping in mind that some buses may run less frequently after Labor Day.
Tip: If you have a specific sightseeing plan, prioritize popular viewpoints early in the day or later in the afternoon to avoid crowding, especially since shuttle frequency may be lower after September 5th.