Originally Posted by
ClipperDelta
The legal requirement is 1 FA per 50 pax, so 5 FAs would be the minimum for the 76L (210 pax). The normal 76L international flight is staffed with 7 FAs, and could go up to 8 FAs (the extra is the "load factor FA" and depends on what the anticipated BE load will be).
When there are 8 FAs, four will work BE, and four will work in Y. If it's 7 FAs, then it's 3 in BE, 3 in Y, with one floater.
Thanks for confirming
ClipperDelta 
Originally Posted by
Often1
Serious crew positioning & rest issues for DL (and other carriers) mean that they've cut back to the minimums in order to keep the service operating and get themselves back to normal ops faster. The alternative is to cancel the flight.
That was my first thought, very glad that the flight wasn't cancelled and that this isn't likely to become a regular occurrence!