Photo by Mark Stebnicki on PexelsIs 30 minutes enough for a layover at IAD?
Still too short to clear security, ride the AeroTrain, and reach a distant gate. See full 30 min guide →
Is 45 minutes enough for a layover at IAD?
Meets the domestic-domestic MCT exactly, so it's fine on a good day but leaves no margin for delays. See full 45 min guide →
Is 1 hour enough for a layover at IAD?
Meets the domestic-international MCT and gives reasonable buffer for the AeroTrain and security. See full 1 hr guide →
Is 1 hour 15 min enough for a layover at IAD?
Comfortable for nearly all domestic and international-international connections at Dulles's spread-out concourses. See full 1¼ hr guide →
Is 1½ hours enough for a layover at IAD?
Sufficient even for many international-to-domestic connections, though tight if immigration lines are long. See full 1½ hr guide →
Is 2 hours enough for a layover at IAD?
Ample time to clear customs, recheck bags, and reach any concourse including Concourse Z by shuttle. See full 2 hr guide →
Is 2½ hours enough for a layover at IAD?
Very comfortable even during peak international arrival banks with immigration congestion. See full 2½ hr guide →
Is 3 hours enough for a layover at IAD?
Generous buffer that absorbs delays, long immigration queues, and Concourse Z shuttle waits. See full 3 hr guide →
Is 4 hours enough for a layover at IAD?
Far more time than needed for any connection type, including full international-to-domestic transfers. See full 4 hr guide →