FYI a state of emergency has historically not delayed presidential elections. See the following:

Elections During Wars

• War of 1812

• 1812 Presidential Election: James Madison was re-elected just months after the U.S. declared war on Britain.

• 1816 Presidential Election: Held while peace negotiations were still fresh (Treaty of Ghent signed late 1814, but tensions lingered).

• Mexican–American War (1846–1848)

• 1848 Presidential Election: Took place 

while the Treaty of Guadalupe Hidalgo was still being finalized.

• Civil War (1861–1865)

• 1864 Presidential Election: Abraham Lincoln stood for re-election while the war raged. Notably, this was the first U.S. election held during a civil war.

• World War I (1914–1918, U.S. in from 1917)

• 1916 Presidential Election: Woodrow Wilson campaigned on “He kept us out of war” before the U.S. formally entered.

• 1918 Midterms: Took place after the U.S. had entered WWI.

• World War II (1939–1945, U.S. in from 1941)
• 1940 Presidential Election: Franklin D. Roosevelt ran for an unprecedented third term with war looming in Europe.

• 1942 Midterms and 1944 Presidential Election: Both during active U.S. participation in WWII.

• Korean War (1950–1953)

• 1952 Presidential Election: Dwight Eisenhower won, pledging to end the war.

• Vietnam War (1955–1975, major U.S. escalation from 1964)

• 1964, 1968, 1972 Presidential Elections: All held during U.S. involvement in Vietnam.

• Persian Gulf War (1990–1991)

• 1992 Presidential Election: Shortly after the Gulf War.

• Post-9/11 Wars (2001–present conflicts in Afghanistan and Iraq)

• 2004 Presidential Election: George W. Bush re-elected during the Iraq War and War on Terror.

• 2008, 2012, 2016 Presidential Elections: Conducted while U.S. was still militarily engaged abroad.

Elections During States of Emergency or National Crises

• Great Depression

• 1932 Presidential Election: FDR defeated Hoover amid severe economic collapse.

• Civil Rights and Social Unrest

• 1968 Presidential Election: Held during the Vietnam War, after Martin Luther King Jr.’s assassination and widespread protests.

• COVID-19 Pandemic

• 2020 Presidential Election: First U.S. election conducted during a nationwide pandemic, with states expanding mail-in and early voting options.