Spanish phrase
Voy a tardar ~.
Meaning
I will take ___ longer.
When to use it
Says the task or trip will need more time than planned. Used to inform others of a delay and often followed by how much longer it will take.
Example dialogue
Voy a tardar más de lo previsto.
I will take longer than expected.
Tranquilo, gracias por avisar.
No problem, thanks for letting me know.