fly by vs run past

fly by

verb
  • Used other than figuratively or idiomatically: see fly, by. 

  • To pass or go past quickly, often without much interaction 

run past

verb
  • Used other than figuratively or idiomatically: see run, past. 

  • To bring an idea or proposal to the attention of (someone) in order to obtain their opinion. 

How often have the words fly by and run past occurred in a corpus of books? (source: Google Ngram Viewer )