ankommen
to arrive
To reach a destination.
Der Zug aus München wird pünktlich auf Gleis 5 ankommen.
The train from Munich will arrive on time at platform 5.

to arrive
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to arrive
To reach a destination.
Der Zug aus München wird pünktlich auf Gleis 5 ankommen.
The train from Munich will arrive on time at platform 5.

'Ankommen' (to arrive) is a separable verb. The prefix 'an-' goes at the end of the main clause. In subordinate clauses and in the infinitive with 'zu', the verb stays together.
Mein Flug kommt um 18 Uhr in Berlin an.
My flight arrives in Berlin at 6 p.m.
Since 'ankommen' (to arrive) describes movement toward a destination, the perfect tense is formed with the auxiliary verb 'sein' (to be), not with 'haben' (to have).
Bist du gut zu Hause angekommen?
Did you get home safely?
In the meaning 'abhängen von' (to depend on), 'ankommen' is used in the fixed expression 'es kommt auf etwas an' (it depends on something). The object is always in the accusative.
Es kommt auf deine Entscheidung an.
It depends on your decision.
When 'ankommen' means how something is received or comes across, an adverb is often used with it, such as 'gut' (well) or 'schlecht' (badly), and the group of people is expressed in the dative with the preposition 'bei'.
Der neue Film kam beim Publikum sehr gut an.
The new film came across very well with the audience.
To state the destination, you usually use 'in' + dative for cities and countries, or 'an' + dative for places like a train station, airport, or stop.
Wir sind gestern Abend in Hamburg angekommen.
We arrived in Hamburg yesterday evening.
In this meaning, 'ankommen' is always used with the preposition 'gegen' + accusative. It often expresses that you have no chance.
Gegen seine laute Stimme komme ich einfach nicht an.
I simply can't stand a chance against his loud voice.
to come
'kommen' and 'ankommen' both have to do with movement toward a destination. 'kommen' describes movement toward a place or person in general. It can also mean that someone arrives somewhere. 'ankommen' clearly emphasizes the moment when you reach the destination. That is why 'ankommen' fits especially well for trips, deliveries, or exact times. Learners confuse the words because both often appear with a destination. Remember: 'kommen' says that someone is on the way to a place or is going there; 'ankommen' says that the destination has been reached.

Wegen des Wetters sind die Eltern erst spät zu Hause angekommen.
Because of the weather, the parents did not arrive home until late.
Im Wartezimmer kommt gleich die nächste Patientin dran.
In the waiting room, the next patient will be called in any moment.