Complex sentence: On the afternoon of November 6,2005, Fujimori arrived, without prior notice, in Santiago, Chile, on a private aircraft, having flown via Tijuana, Mexico, from Tokyo; the flight passed through Peruvian airspace on its path from Mexico to Chile.
Split into simpler sentences: On the afternoon of November 6,2005, Fujimori unexpectedly arrived in Santiago, Chile, on a private aircraft, having flown via Tijuana, Mexico, from Tokyo. His flight had passed through Peruvian airspace on its path from Mexico to Chile.