When is the last domestic flight arrive at Beijing Capital Intl Airport, What time? Which Terminal?

Dear Miss Cindy, What time will the last domestic flight arrive Beijing Capital International Airport ? so that we may still catch the last Airport Bus after midnight . And, will the Airport Shuttle Bus, Line No. 2 go to all 3 terminals , T1 . T2 and T3 ? Thank you for your assistance and advise. Best regards, RichardW