when is john cornyn up for reelection

John Cornyn is up for reelection in the U.S. Senate in Texas in the general election scheduled for November 3, 2026. He declared his candidacy for this 2026 election and is seeking a fifth term in office. His current Senate term ends on January 3, 2027, which aligns with the 2026 election cycle. He is facing a primary challenge from Texas Attorney General Ken Paxton as well.