French phrase
À quelle fréquence passe ~ ?
Meaning
How often does ___ run?
When to use it
Asks about the interval between scheduled services. Used for shuttles and similar services in practical situations.
Example dialogue
À quelle fréquence passe la navette pour l'aéroport ?
How often does the shuttle to the airport run?
Elle part toutes les trente minutes.
It leaves every thirty minutes.