Traveling by Amtrak from Wilmington, Delaware (WIL) to Boston, Massachusetts (BOS) typically takes between 5 hours 15 minutes and 6 hours 45 minutes. The fastest option is the Acela Express, which uses higher-speed technology on the Northeast Corridor and usually completes the trip in just under 5.5 hours. The Northeast Regional is the more common and affordable service, averaging around 6.5 hours as it makes more frequent stops in cities like Philadelphia, New York, and Providence. In 2026, the introduction of the new Acela trainsets has slightly improved both the speed and the on-board comfort, featuring better Wi-Fi and more reliable power outlets. It is a high-value peer tip to book "Saver" fares at least 14 days in advance, as prices for this busy business corridor can skyrocket as your travel date approaches, even for the standard coach seats on the Regional trains.