The "Divergent" star was among 27 activists arrested Oct. 10. She livestreamed her arrest on Facebook. She's pleaded not guilty to criminal trespass and engaging in a riot, both misdemeanors that carry a maximum punishment of a month in jail and a $1,500 fine.
Woodley was to stand trial on Jan. 25. Court documents show trial has been rescheduled for Feb. 22 because her attorney had a conflict.
The Standing Rock Sioux want construction of the $3.8 billion pipeline halted, saying it threatens drinking water and cultural sites. Nearly 470 people have been arrested in months of protests supporting the tribe.