Welcome! This is not the official American Top 40 site. Please browse the site to learn more about the classic editions of the radio show American Top 40. (Don't see the menu? Click on the three bars in the upper right of the page). If this layout does not function properly for you, you can visit the original format.
- Other than the list of weekend shows, this site was last updated
2 July 2025 (see the updates
section below).
- Visit
the CT40 page
for more info on Casey's Top 40.
- AT40 celebrated its 55th Anniversary on July 4, 2025. Visit the Anniversary site for highlights from the past.
Week of March 14, 2026 AT40: 1980s Show(s)...
March 12, 1988
List of Shows Aired
Week of March 14, 2026 AT40: 1970s Show(s)...
March 15, 1975
or
March 17, 1979
List of Shows Aired
Latest Updates
- Updated: 12 March 2026:
- Updated 2 July 2025: Updated the 2020s page of the Anniversary section of the site.
- November 2023: Added a bit of info about the Seacrest era on the history page. Added a picture to the pictures page.
- June 2023: Did a general clean up of links on various pages. Merged two different pages on other radio shows into one.
Miscellaneous Info
- AT40 Facebook groups: AT40 the 1970s, AT40: the 1980s, AT40 with Shadoe, This Week in AT40 History
- Archived AT40: The 1970s and AT40:1980s shows are continuously playing on the iHeart radio website and app. Archived AT40 shows from March 1998 to early January 2004 are on this iHeart station.
- A link to AT40 expert Pete Battistini's website is available on the links page
- If you're a fan of classic AT40, you need to get "American Top 40 with Casey Kasem (The 1970s)" and "American Top 40 with Casey Kasem (the 1980s)" by Pete Battistini.
- Information on "American Top 20" and "American Top 10" shows can be found in the AT20 section of this website.