Speaking at the 2016 Bank of America Merrill Lynch 2016 Global Technology Conference, EA Chief Financial Officer Blake Jorgensen revealed that Titanfall 2 is planned to launch "roughly three weeks from Battlefield 1." The latter game has a release date of October 21st, which suggests that Titanfall 2 will launch in mid-November, or possibly earlier in October.
Source: DualShockers
http://www.gamnesia.com/news/titanfall-2-will-launch-roughly-three-weeks-from-battlefield-1