Here are the acceptable formal ITA guidelines and polices that are used by the vast majority of medical schools
"......................................"
In other words, there arent any. You can make any argument you want and, like most premeds, assume that this cant possibly have any negative implication or perceived as anything but an enthusiastic applicant eager to attend the medical school, just like the 5,000+ applicants who would likely to anything to try and wiggle into an interview. [hint: SARCASM]. I mean its not like some adcom, director or dean is gonna think who is the twinkle toes who thinks that we should have pity on them in terms of time and money unlike every other applicant. Well if its pity they want, lets assume that are a pitiful candidate and quickly put them out of their misery.
I have seen ITAs get calls and scheduled and probably about the same number that apparently get the file reviewed faster and rejected/held quickly. The vast majority have no effect. Why? You get "ITAs" like
"I will be changing planes from Podunk thru Chicago and can easily change planes to New York, San Francisco..."
"I have 2 labs this term and cant possibly miss any"
"I am trying to get all my interviews in one week"
"I want not to miss my Father's, Mother's Grand-Uncle's, Third-cousin once removed's event"
BTW, I first heard this term years ago from a director as "PITA" as a either Please/Plea In The Area. Files got marked PITA which then were pulled, dumped on a evaluators desk in addition to all they had, and asked to review quickly. Readers looked at these as "Pain in the Ass" Perhaps not the best frame of mind to be reviewed