An excerpt from Justplanes.com - Although I think this also includes routes that will be cancelled, it gives at least has some info about the introduction schedule of the A340.
--------------------
Swiss (Jul08, 2003)
Will introduce the Airbus A340-300 on its Zurich to Dubai route today. The aircraft will operate 2 of the 7 weekly flights (Tue & Thu).
Swiss (Jul08, 2003)
Will introduce the Airbus A340-300 on its Zurich to Karachi (via Dubai) route today. The aircraft will operate 2 of the 4 weekly flights (Tue & Thu).
Swiss (Jul08, 2003)
Will introduce the Airbus A340-300 on its Zurich to Muscat (via Dubai) on 12Jul03. The aircraft will operate the flight on Saturdays.
Swiss (Jul08, 2003)
Will replace the MD11 on its Zurich to Bangkok route with an Airbus A340-300 effective 01Sep03. The flight will operate on a daily basis.
Swiss (Jul08, 2003)
Will replace the MD11 on its Zurich to Singapore route with an Airbus A340-300 effective 01Sep03. The flight will operate on a daily basis via Bangkok.
Swiss (Jul08, 2003)
Will replace the MD11 on its Zurich to Tokyo Narita route with an Airbus A340-300 effective 13Nov03. The flight will operate on a daily basis.
Swiss (Jul08, 2003)
Will replace the MD11 on its Zurich to Los Angeles route with an Airbus A340-300 effective 27Nov03. The flight will operate on a daily basis.
Swiss (Jul08, 2003)
Will replace the MD11 on its Zurich to Hong Kong route with an Airbus A340-300 effective 11Dec03. The flight will operate on a daily basis.
Swiss (Jul08, 2003)
Will replace the MD11 on its Zurich to Manila route with an Airbus A340-300 effective 11Dec03. The flight will operate 3x a week via Hong Kong.
Swiss (Jul08, 2003)
Will replace the MD11 on its Zurich to Tel Aviv route with an Airbus A340-300 effective 13Dec03. The A340 will operate the morning flight several times a week while the MD11 and A330 will be used on other days.
Swiss (Jul08, 2003)
Will replace the MD11 on its Zurich to Johannesburg route with an Airbus A340-300 effective 19Apr04. The flight will operate on a daily basis.