YYZ Delays

Every reading taken of YYZ since this site started sampling the FAA's feed — what was holding traffic, why, and for how long. 1 of the 1 were ground delay programmes, the kind that costs an airline money. The worst hold recorded was 1h 47m.

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
20 Sep 2026 16:34	ground delay	other	48m	1h 47m

Source: the FAA's national airspace status feed. A ground delay programme holds aircraft at their origin because YYZ 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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