Artemis II is expected to reach the Moon in about three to four days , with some coverage describing the lunar vicinity arrival as roughly five days depending on how the mission timeline is counted. NASA’s mission profile also describes the full flight as about 10 days total, including the outbound trip, lunar flyby, and return to Earth.

Quick answer

  • To the Moon’s vicinity: about 3 days.
  • To the lunar flyby/closest approach phase: about 4 days.
  • Total mission length: about 10 days.

Why the timing varies

Different sources count different milestones. Some count the time until Orion enters the Moon’s sphere of influence, while others count until the spacecraft reaches the lunar flyby point or completes the full outbound leg.

Bottom line

If you just want the simple version: Artemis II should get to the Moon in around 3 to 4 days.