Meaning trap
go ahead
happen as planned
to take place or happen as planned, especially after some doubt or delay.

Don't mix these meanings
Same phrase, different job.
to take place or happen as planned, especially after some doubt or delay.
Another meaning of 'go ahead' is 'proceed'; compare the examples to keep the meanings separate.
Hear it in context
Notice where the phrase sounds natural.
Despite the rain, the outdoor concert will go ahead as planned.
Our school trip didn’t go ahead last year because of the pandemic.
Fix the pattern
One small grammar move makes it sound right.
Not: The wedding will go ahead with the plan.
Say: The wedding will go ahead as planned.
The fixed phrase is 'go ahead (as planned)'. Don't tack on 'with the plan'.
Which sounds natural?
Tap the one a native speaker would say.
'Go ahead' is the natural verb for an event still happening. 'Proceed as scheduled' is announcement-speak.
Build natural chunks
Words that usually travel with it.
go ahead
- the event
- the match
- the wedding
- the deal
Don't confuse it
Related
Other meanings and phrases to compare.
- go ahead (proceed) — Another meaning of 'go ahead' is 'proceed'; compare the examples to keep the meanings separate.