Over 50 squadrons have been based at the airfield. The first was No. 39 Squadron of the Royal Flying Corps in August 1916 and the last No. 111 Squadron — the famous ‘Treble One’ — of the Royal Air Force which left in February 1958. The airfield was reduced to inactive status on September 1, 1964.

The following squadrons saw service at North Weald: No. 1 (Squadron Code JX): Detachments August-September 1940 April 1944. No.1 (RCAF) (YO) Detachments August-September 1940. No. 2 (XV): November 1943, January-February 1944. No. 4 (FV): November 1943. No. 19 (QV): June-July 1953. No. 25 (ZK): January-June 1940, September-October 1940. No. 26 ‘South African’ (RM): January-April 1945. No. 29 (YB): April 1928-October 1935, September 1936-November 1937. No. 33 (5R): April-May 1944. No. 39: August 1916-November 1918. No. 44 ‘Rhodesia’: July-December 1919. No. 46 ‘Uganda’ (PO): November-December 1940. No. 56 ‘Punjab’ (LR/US): October 1927-May 1940, June-September 1940, December 1940-June 1941 No. 63 (UB): November 1943-January 1944, September 1944. No. 64: July-August 1937. No. 66 (LZ): March 1944. No. 71 'Eagle' (American) (XR): June-December 1941. No. 72 ‘Basutoland’ (FG): March 1950-July 1953. No. 74 ‘Trinidad’ (4D): April-May 1944. No. 75: ‘New Zealand’ May 1918-June 1919. No. 111 (JU): May-June 1940, July-November 1941, December 1941, December 1953-February 1958. No. 116 (II): July-August 1944. No. 121 'Eagle' (American) (AV): December 1941-June No. 124 ‘Baroda’ (ON): November 1942-July 1943. No. 127 (9N): April-May 1944. No. 130 ‘Punjab’ (AP): May 1945. No. 151 (DZ): August 1936-February 1940, May-September No. 168 (DE): November 1943-February 1944. No. 222 'Natal' (ZD): August 1941-August 1942. No. 234 ‘Madras Presidency’ (AZ): August-December 1944. No. 242 ‘Canadian’ (LE): May-July 1941, August-September 1941 No. 249 ‘Gold Coast’ (GN): September 1940-May 1941. No. 257 ‘Burma’ (DT): October-November 1940. No. 268 (NM): January-March 1944. No. 275 (GG/PV): October-November 1940, June-July 1953. No. 285 (VG): January-June 1945. No. 287 (KZ): July 1944-June 1945. No. 288 (RP): August-November 1944. No. 301 ‘Pomorski’ (Polish) (GR): July-September 1945. No. 304 ‘Œl¹ski’ (Polish) (QD): July-September 1945. No. 310 (Czechoslovak) (NN): August-December 1944. No. 312 (Czechoslovak) (DU): August-October 1944. No. 313 (Czechoslovak) (RY): October-December 1944. No. 331 (Norwegian) (FN): May 1942-March 1944, April-May 1944. No. 332 (Norwegian) (AH/HG): June 1942-March 1944, April-May 1945. No. 403 ‘Wolf’ (Canadian) (KH): December 1941-May 1942, August 1942. No. 412 ‘Falcon’ (Canadian) (VZ): June 1942. No. 419 Flight: August-October 1940. No. 486 (New Zealand) (SA): September-October 1942. No. 601 'County of London' (RAH): March 1949-March 1957. No. 604 ‘County of Middlesex’ (NG/RAK): September-October 1938, September 1939-January 1940, March 1949-March 1957. No. 695 (4M): November 1946-April 1947. Historic Aircraft Flight: February-May 1958.