Complex sentence: From 1982 to 1984, Pacific Express operated one BAC One-Eleven jet departure a day to San Francisco with some flights making an intermediate stop in Sacramento.
Split into simpler sentences: From 1982 to 1984, Pacific Express operated BAC One-Eleven jets. In 1982-84, Pacific Express had one BAC one-Eleven jet departure a day to San Francisco with some flights making an intermediate stop in Sacramento.