His first victory claim was a Spitfire on 7 May and a second on 19 May. He then claimed 3 victories on the Eastern front. and two tanks destroyed. Glunz then was posted to II./JG 26 based in France in July 1941. By the end of 1942 he had some 23 victories. On 28 March, Glunz intercepted six Mosquito bombers bombers near Dunkirk at low level. He succeeded in shooting 2 bombers within one minute for his 28th and 29th victories. In August 1943, he became the only Non-commissioned officer in JG 26 to receive the Ritterkreuz. Oberfeldwebel Glunz became Staffelkapitän, 5./JG 26 in January 1944. On 22 February 1944, he claimed 6 victories in a day, including five four-engined bombers. He was commissioned as a Leutnant in April 1944.
In March 1944, Glunz was appointed Staffelkapitän of 6./JG 26. Operating over the Invasion front in June 1944, Glunz claimed 3 P-47 fighters shot down on 10 June. He was awarded the Oakleaves in late June 1944 after 65 victories.
He recorded his 71st and last, victory, a Spitfire on 1 January 1945. He is credited with 5 ground victories during Operation Bodenplatte. In March 1945, Glunz was transferred to III./EJG 2 for conversion training for the Me 262 jet. Assigned to JG 7 he served the remainder of the war with this unit.However he never flew the Me 262 in combat. Adolf Glunz is credited with 71 aerial victories achieved in 574 combat missions. He engaged the enemy on 238 occasions and claimed all but three victories over the Western Front.
Although continuously in action until 1945, "Addi" Glunz was never shot down or wounded in aerial combat. He was wounded once on the ground when he was showered with glass fragments during a bombing raid on Abbeville airfield in April 1942. The nearest he came to losing an aircraft was on 13 October 1944, when a broken oil pipe caused his engine failure while in combat with P-47 Thunderbolts.