In the modern era of theme park planning, Disney is rarely "empty," but there are specific windows where crowds are noticeably thinner. Historically, the best times to visit for low wait times are mid-January through early February (after the marathon and holiday crowds depart) and the month of September (immediately after Labor Day when most U.S. children return to school). During these periods, the parks often see lower "wait time" averages across major attractions. Another "slow" window typically occurs in the first two weeks of November, nestled between the Halloween festivities and the massive Thanksgiving rush. However, Disney now uses aggressive dynamic pricing and seasonal events (like food and wine festivals) to "level out" attendance year-round. While you won't find the parks empty, visiting on a Tuesday or Wednesday in late August or early September remains your best bet for avoiding the crushing 90-minute lines commonly seen during spring break or the December holidays.