Final answer:
Ellen Ochoa had 4 flights to space.
Step-by-step explanation:
Ellen Ochoa had a total of 4 flights to space. She flew on the space shuttle Discovery for her first three missions - STS-56 in 1993, STS-66 in 1994, and STS-96 in 1999. Her fourth mission was on the space shuttle Atlantis - STS-110 in 2002.