| 1919-20 | Joined Midland League |
| 1920-21 | Elected to Division Two of the Football League |
| 1923-24 | Football League Division Two Champions |
|
| Promoted to Division One |
| 1927 | Relegated to Division Two |
| 1927-28 | Football League Division Two runner-up |
|
| Promoted to Division One |
| 1931 | Relegated to Division Two |
| 1931-32 | Football League Division Two runner-up |
|
| Promoted to Division One |
| 1939-40 | Football League programme abandoned due to outbreak of war |
| 1947 | Relegated to Division Two |
| 1955-56 | Football League Division Two runner-up |
|
| Promoted to Division One |
| 1960 | Relegated to Division Two |
| 1963-64 | Football League Division Two Champions |
|
| Promoted to Division One |
| 1964-65 | Football League runner-up (lost title on goal average) |
|
| F.A. Cup runner-up |
| 1965-66 | Football League runner-up (on goal average) |
| 1966-67 | European Inter Cities Fairs Cup runner-up |
|
| F.A. Cup semi-finalists |
| 1967-68 | European Inter Cities Fairs Cup Winners |
|
| Football League Cup Winners |
|
| F.A. Cup semi-finalists |
| 1968-69 | Football League Champions |
|
| European Inter Cities Fairs Cup Quarter Finalists |
| 1969-70 | Football League runner-up |
|
| European Cup Semi-Finalists |
|
| F.A. Cup runner-up |
| 1970-71 | Football League runner-up |
|
| European Inter Cities Fairs Cup Winners |
|
| As last winners of Fairs Cup, played a play-off with first winners |
|
| Barcelona to see who would keep the Cup permanently. Barcelona 2 |
|
| Leeds United 1, 22/9/71 @ ? |
| 1971-72 | Football League runner-up (on goal average x2) |
|
| F.A. Cup Winners |
| 1972-73 | European Cup Winners Cup runner-up |
|
| F.A. Cup runner-up |
| 1973-74 | Football League Champions (2nd time) |
| 1974-75 | European Cup runner-up |
| 1976-77 | F.A. Cup semi-finalists |
| 1977-78 | Football League Cup semi-finalists |
| 1978-79 | Football League Cup semi-finalists |
| 1982 | Relegated to Division Two |
| 1986-87 | F.A. Cup semi-finalists |
|
| Missed promotion through play-offs (SF Leeds United 1 Oldham |
|
| Athletic 0, Oldham Athletic 2 Leeds United 1, Agg 2-2, Leeds |
|
| won on away goals, F Charlton Athletic 1 Leeds United 0, Leeds |
|
| United 1 Charlton Athletic 0, Agg 1-1, Replay Leeds United 1 |
|
| Charlton Athletic 2) |
| 1989-90 | Football League Division Two Champions (on goal difference) |
|
| Promoted to Division One |
| 1990-91 | Football League Cup semi-finalists |
| 1991-92 | Football League Champions (3rd time) |
| 1992-93 | Founder members of F.A. Premiership |
| 1994-95 | Football League Cup runner-up |
| 2000-01 | Champions League semi-finalists |
| 2004 | Relegated to Football League Division One, then renamed "Football League Championship" |
| 2005-06 | Not promoted after play-offs (SF Leeds United 1 Preston North End, |
|
| Preston North End 0 Leeds United 2, F Leeds United 0 Watford 3 |
|
| @ Millennium Stadium, Cardiff) |