As of Sunday 18/11 19h45 Paris
The rail strike continues into the week.
Metro Lines will be running but with varying levels of service depending upon the lines. Wait times will increase/decrease throughout the day with shortest wait during normal business commute hours.
RER Lines will not be running frequently.
Transfers to and from the Airports:
Rossybus and OrlyBus have been running.
Private Transfer Shuttles or Taxis are recommended.
See http://www.bonjourlafrance.net/air-france/paris-airport-shuttle-service.htm
Additional information: www.ratp.fr (in French)
www.voyages-sncf.com for all other trains (click British flag at the bottom to switch to English)