AI take off don't land

Just started using AFCAD, TTools and stuff. Now have CJCR Worship Intl with lots of traffic taxiing and taking off. Q: Why do none land back at CJCR. the flight plans are correct. The AI aircraft do show up at the destination airports.
jimmy
jimmy R martin
inhislove@triad.rr.com
jimmy
jimmy R martin
inhislove@triad.rr.com