Expressing the problem you are trying to solve as a DAG is idiomatic in Airflow, but expressing your problem in terms of queue processing is idiomatic in Celery

Expressing the problem you are trying to solve as a DAG is idiomatic in Airflow, but expressing your problem in terms of queue processing is idiomatic in Celery. a b c d vs. a (bc) d They make different design decisions about what to surface via UX and what to make easy as a consequence of thinking of the problems in terms of different data structures.