I haven't seen the Time article either but usually in these things they pretend that Moore said the main issue was special flights going around pick-up Saudis while other planes were banned from the skies. And I believe there is debate about how many planes did this (some say just 1) and when but...
The issue they avoid with this argument is the REAL issue -- that the Saudis were not interviewed by the FBI or other authorities on their way out of the country.
Another standard non-lie in the film is they claim the film says 'Bush approved the flights' and again I believe F911 says 'the Whitehouse.' They make a lot of hey out of these not-really-ambiguous terms. Richard Clarke approved the flights but it seems highly unlikely he would do that without higher approval.
Here is the quote:
“The White House approved planes to pick up the bin Ladens and numerous other Saudis.” and
“At least six private jets and nearly two dozen commercial planes carried the Saudis and the bin Ladens out of the U.S. after September 13th. In all, 142 Saudis, including 24 members of the bin Laden family, were allowed to leave the country.” Note he says in the film "after September 13th" -- this is after the ban is lifted so the film is not wrong on that point. They have to distort to make it sound that way. It is such a bone of contention that Moore goes out of his way to address it:
NOTE: It should be noted that even though the film does not make the allegation, strong evidence has recently come to light that at least one private plane flew to pick up Saudi nationals while private flights were still grounded. Moreover, for nearly three years, the White House has denied that this flight existed. More with sources at:
http://www.michaelmoore.com/warroom/f911notes/