How long of a window is acceptable for food delivery?

Since "30 minutes or less" isn't always true (especially with traffic, weather, etc.), I wonder what people think is the acceptable time window for food delivery. Exactly on time? 5 minutes past the time? 10? I've had delivery once come an hour late and another time another place delivered it 20 minutes early.How long of a window is acceptable for food delivery?
when they tell you it should be there in 30 minutes or less, then 1 hour is not acceptableHow long of a window is acceptable for food delivery?
On a regular day less than an hour. On weekends and holidays 1hour to an hour %26amp; 1/2How long of a window is acceptable for food delivery?
45 min is the best.

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