Complex sentence: The airline also operated Jetrail from 1970 to 1974, the world's first fully automated monorail system that took passengers from remote parking at Dallas Love Field to the Braniff Terminal.
Split into simpler sentences: The airline also operated Jetrail at Dallas Love Field from 1970 to 1974. Jetrail was the world's first fully automated monorail system, taking passengers from remote parking lots at Dallas Love Field to the Braniff Terminal.