- August 1, 1980
- August 2, 1980 (The first use of the name "Ace Airlines")
- August 3, 1980 (This strip and the next Sunday strip are adapted in the segment "Rainy Day" of the 1983 The Charlie Brown and Snoopy Show episode "It's That Team Spirit, Charlie Brown")
- August 4, 1980
- August 5, 1980
- August 6, 1980
- August 7, 1980 (Ending of a storyline in which Schroeder flies to music camp in the Sopwith Camel, which was later adapted as the segment "Snoopy's Flight" of the 1985 The Charlie Brown and Snoopy Show episode "Peppermint Patty's School Days")
- August 8, 1980
- August 9, 1980
- August 10, 1980
- August 11, 1980
- August 12, 1980
- August 13, 1980
- August 14, 1980
- August 15, 1980
- August 16, 1980
- August 17, 1980
- August 18, 1980
- August 19, 1980
- August 20, 1980
- August 21, 1980
- August 22, 1980
- August 23, 1980
- August 24, 1980
- August 25, 1980
- August 26, 1980
- August 27, 1980
- August 28, 1980
- August 29, 1980
- August 30, 1980
- August 31, 1980
← July 1980 | September 1980 → |