Spanish phrase
No ~ hacer el check-in online.
Meaning
Don't ___ leave the online check-in until later.
When to use it
Warns not to leave online check-in for later. Often said to emphasize urgency just before departure.
Example dialogue
No esperes a hacer el check-in online.
Don't wait to do the online check-in.
Tienes razón, lo hago ahora mismo.
You're right, I'll do it now.