Noudan lähetyksen vasta illalla, kun saan noutokoodin ja oikea lokero avautuu.

In Finnish, the present tense is very often used for the future when the time is clear from context.

So Noudan lähetyksen vasta illalla literally uses present tense, but it means something like I’ll pick up the parcel only in the evening.

The future meaning is shown by:

• vasta illalla = not until the evening / only in the evening
• the whole situation clearly refers to a later event

Finnish does not usually need a separate future tense the way English does.

Vasta adds the idea of not until or only then.

So:

• illalla = in the evening
• vasta illalla = not until the evening

It suggests a delay or a later-than-expected time.

For example:

• Tulen illalla = I’m coming in the evening
• Tulen vasta illalla = I’m not coming until the evening

Lähetyksen is the form used here because the parcel is the object of the action noudan.

The basic form is:

• lähetys = shipment, delivery, parcel

In this sentence:

• noudan lähetyksen = I pick up the parcel

This -n object form is very common when the action is seen as completed or directed at a whole item.

Compare:

• luen kirjan = I read the book
• haen paketin = I fetch the package
• noudan lähetyksen = I pick up the parcel

So here lähetyksen is the normal object form.

Because Finnish uses different case endings to express time as well as place.

Here:

• ilta = evening
• illalla = in the evening / during the evening

This is an adessive form, and with times of day it is very common:

• aamulla = in the morning
• päivällä = in the daytime
• illalla = in the evening
• yöllä = at night

So vasta illalla is the natural way to say not until the evening.

Here kun means when.

It introduces the clause that tells you when the pickup happens:

• kun saan noutokoodin ja oikea lokero avautuu

So the structure is:

• I’ll pick up the parcel in the evening, when I get the pickup code and the correct locker opens

Depending on context, kun can sometimes mean when, once, or even because, but here it is clearly a time word: when / once.

For the same reason as noudan: Finnish often uses the present tense for future events.

So:

• kun saan noutokoodin = when I get the pickup code
• oikea lokero avautuu = the correct locker opens / will open

Even though these things happen later, present tense is normal because the sentence is talking about a future situation in a straightforward way.

Noutokoodin is the object form of noutokoodi, which is a compound word:

• nouto = pickup, retrieval
• koodi = code

So:

• noutokoodi = pickup code
• noutokoodin = the pickup code as the object of saan

In the clause:

• saan noutokoodin = I get the pickup code

Compound words are extremely common in Finnish, and this is a very typical example.

Finnish usually leaves out subject pronouns when they are not needed.

The verb ending already tells you the subject:

• saan = I get
• saat = you get
• saa = he/she gets
• saamme = we get

So minä is unnecessary unless you want emphasis or contrast.

Compare:

• Saan noutokoodin = normal, neutral
• Minä saan noutokoodin = more emphatic, like I’m the one who gets the code

Because oikea lokero is the subject of avautuu, not the object.

The clause means:

• the correct locker opens

So:

• oikea lokero = nominative subject
• avautuu = opens

If it were an object, then another form might be needed, but here the locker is the thing doing the action grammatically.

Also, the adjective agrees with the noun:

• oikea lokero = correct locker
• oikean lokeron would be a different case, used in different sentence roles

This is a very useful distinction.

• avaa = opens something
• avautuu = opens / becomes opened

So:

• Minä avaan lokeron = I open the locker
• Lokero avautuu = The locker opens

The verb avautua often gives the idea that something opens by itself, automatically, or without naming the person who opens it. That fits very well with parcel lockers and machines.

Yes. In this sentence, ja joins two things inside the kun clause:

• kun saan noutokoodin
• ja oikea lokero avautuu

This means the pickup is connected with both events:

1. I get the pickup code
2. the correct locker opens

So the structure is roughly:

• I’ll pick up the parcel later, when I get the code and the correct locker opens

In real-life logic, the idea is that these are part of the same process.

Finnish word order is fairly flexible, although different orders create different emphasis.

The given sentence is neutral and natural:

• Noudan lähetyksen vasta illalla, kun saan noutokoodin ja oikea lokero avautuu.

You could also say:

• Vasta illalla noudan lähetyksen...

That puts more emphasis on not until the evening.

Finnish often uses word order to highlight what is most important or contrastive, while the case endings show the grammatical roles.

Lähetys is correct and natural, especially in logistics, delivery, and shipping contexts.

But depending on the situation, Finnish might also use:

• paketti = package, parcel
• toimitus = delivery

So:

• Noudan lähetyksen sounds a bit more like I’m collecting the shipment/delivery item
• Noudan paketin would sound very everyday and concrete: I’m picking up the package

All are possible in the right context, but lähetys is perfectly good Finnish here.