German phrase
Wie lange dauert die Rückmeldung zu ~?
Meaning
How long will it take to hear back about ___
When to use it
It asks how long replies take. The wording is polite and businesslike.
Example dialogue
Wie lange dauert die Rückmeldung zu meiner Bewerbung?
How long will it take to hear back about my application?
In der Regel bekommen Sie innerhalb von 4 Wochen eine Rückmeldung.
You will normally receive a response within four weeks.