The length of Veterans Day parades varies by location. Here are typical durations for well-known U.S. parades this date:

• New York City Veterans Day Parade: generally around 2.5 hours, often from about 12:30 p.m. to around 3:00 p.m. local time, with additional pre- and post-events like wreath-laying ceremonies. [web results reference NYC timing around 12:30 p.m.–3:00 p.m.]
• Birmingham National Veterans Day Parade (National event in Birmingham): usually 3.5 hours, from around 1:00 p.m. to 4:30 p.m., rain or shine.
• Savannah, GA Veterans Day Parade: typically begins around 10:00 a.m. and Runs several hours, with disbanding in mid-morning to early afternoon.

If you have a specific city or region in mind, I can confirm the exact start and end times for that location and provide route details. Would you like the duration for a particular Veterans Day parade (city or region)?