A week after Thanksgiving, three weeks before Christmas travel peaks. Photo: Martin Falbisoner, CC BY-SA.
DHS suspended Global Entry in Feb 2026 and reversed a PreCheck suspension within a day. Photo: US CBP, public domain.
Permits, visitor centres and restrooms stop; the road and trail usually don't. Photo: NPS.
Even on a nonrefundable fare, by DOT rule. Accepting a rebooking forfeits it.
What the two 2026 shutdowns proved, and what still isn't known. See the full guide.