Level 1 - Application
Usually three (3) months for decision
(20 CFR, PARTS 404.900-906)

Level 2 - Reconsideration
Usually three (3) months for decision
(20 CFR, PARTS 404.907-922)

Level 3 - Administrative Law Judge Hearing
Usually twelve (12) to eighteen (18) months before scheduled
(20 CFR, PARTS 404.929-965)

Level 4 - Appeals Council
Usually six (6) to eighteen (18) months for decision
(20 CFR, PARTS 404.967-996)

Level 5 - Federal District Court
Usually six (6) to eighteen (18) months for decision