The published specs aren't about "real world experience" because everyone's real world experience is different.
The specs are so you can compare models against each other, knowing how they perform under exactly the same conditions.
If you know...
Going from Air 3S to Mavic 4 the battery flight time is better compared to Air 3S but not a whole lot more. The Air 3S was a much lighter drone when compared to the Mavic 4 Pro. I get roughly about 38 minutes in the air landing at 20% more or...