IAD Delays

Every reading taken of IAD since this site started sampling the FAA's feed — what was holding traffic, why, and for how long. The worst hold recorded was 30m.

1 reading

Newest first. The FAA keeps none of this, so every row here is a sample that would otherwise be gone.

When	Kind	Reason	Typical	Worst
21 Sep 2026 21:23	departure	TM Initiatives:SWAP:WX	16m	30m

Source: the FAA's national airspace status feed. A ground delay programme holds aircraft at their origin because IAD cannot take them, and is the one that costs an airline money. The reason is quoted as the FAA writes it.

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