According to
http://airlineroute.net/2012/07/02/lh-w12update3/
As per 02JUL12 GDS timetable and inventory display, latest changes to Lufthansas Winter 2012/13 long-haul operation as follows. Note in Jan/Feb 2013, Lufthansa will reduce long-haul operation on several routes. Certain routes has seen seasonal cuts in the past (in Jan/Feb), while some are seeing reductions for the first time in W12 during slow season.
Frankfurt Abu Dhabi Muscat 07JAN13 07FEB13 Service reduces from daily to 5 weekly
Frankfurt Bangalore 09JAN13 07FEB13 Service reduces from daily to 6 weekly
Frankfurt Boston 08JAN13 13FEB13 Service reduces from daily to 5 weekly
Frankfurt Chennai 07JAN13 07FEB13 Service reduces from daily to 5 weekly (Overall sees 3-class A340-300 operation with re-introduction of First Class service. W11 was A340-600, S12 2-class A340-300)
Frankfurt Dallas 08JAN13 13FEB13 Service reduces from daily to 5 weekly
Frankfurt Denver 08JAN13 13FEB13 Service reduces from daily to 5 weekly
Frankfurt Doha Bahrain 09JAN13 07FEB13 Service reduces from daily to 6 weekly
Frankfurt Hong Kong 08JAN13 07FEB13 Service reduces from daily to 5-6 weekly
Frankfurt Johannesburg 08JAN13 30JAN13 Service reduces from daily to 6 weekly
Frankfurt Khartoum Addis Ababa Service operates 6 weekly instead of planned daily
Frankfurt Lagos Port Harcourt 16JAN13 06FEB13 Service reduces from daily to 6 weekly
Frankfurt Nagoya 06JAN13 07FEB13 Service reduces from daily to 5 weekly (Overall sees Airbus A340-600 operates daily, replacing 6 weekly A340-300 and 1 weekly -600)
Frankfurt New York JFK 08JAN13 13FEB13 LH404/405 operates 5 weekly instead of daily (overall service operates 12 weekly. LH400/401 in W12 operates with 747-400 instead of A340-600 in W11; LH404/405 operates A340-600 instead of 747-400 in W11)
Frankfurt Osaka 07JAN13 07FEB13 Service reduces from daily to 5 weekly
Frankfurt Rio de Janeiro 07JAN13 13FEB13 Service reduces from daily to 5 weekly (Overall service in Winter increases from 6 weekly to daily, excluding Jan/Feb 2013)
Frankfurt Seattle 08JAN13 13FEB13 Service reduces from daily to 5 weekly
Frankfurt Toronto 08JAN13 13FEB13 Service reduces from daily to 5 weekly
Frankfurt Vancouver 08JAN13 13FEB13 Service reduces from daily to 5 weekly
Previously reported changes:
Frankfurt Bogota Service increasing from 5 weekly to 1 daily, A340-600 operating
Frankfurt Houston A380 continues operation on/after 28OCT12 (A380 to be introduced from 01AUG12)
Frankfurt Orlando Airbus A340-600 operates daily, replacing 747-400 in W11
Frankfurt Philadelphia Service operates 5 times a week (Day x24), same as W11. A330-300 operates on Day 3 instead of A340-300
Frankfurt Singapore Service is now displaying A380 operation, previously displayed as 747-400
Frankfurt Tel Aviv 2 Daily flights operated by A330-300, replacing A330/340 mix
Munich Beijing Planned service increase from 5 weekly to daily is shelved
Munich Boston Airbus A330-300 replaces A340-300 on Day x237
Munich Charlotte Service reduces from daily to
27DEC12 16JAN13 5 weekly
17JAN13 13FEB13 6 weekly
Munich Chicago 15JAN13 26FEB13 Service reduces from daily to 6 weekly
Munich Dubai Airbus A340-300 replaces -600 on following
28OCT12 31DEC12 Day x126 (Day x237 from DXB)
04JAN13 03MAR13 Day 57 (Day 16 from DXB)
04MAR13 29MAR13 Day x126 (Day x237 from DXB)
Munich Hong Kong Service reduces from daily to
07JAN13 22JAN13 5 weekly
23JAN13 05FEB13 6 weekly
Munich Los Angeles Service reduces from daily to
28OCT12 20JAN13 6 weekly
21JAN13 03MAR13 4 weekly
10MAR13 30MAR13 6 weekly
Munich Mexico City Planned service on launch from 01FEB13 once again postponed until 31MAR13
Munich Montreal Service reduces from daily to
28OCT12 13JAN13 5 weekly
14JAN13 24FEB13 4 weekly
25FEB13 29MAR13 5 weekly
Munich New York JFK 09JAN13 12FEB13 Service reduces from daily to 5 weekly
Munich San Francisco 23JAN13 12FEB13 / 20FEB13 05MAR13 Service reduces from daily to 6 weekly
Munich Seoul Incheon Busan Planned service increase from 5 weekly to daily is shelved
Munich Tel Aviv Airbus A321 replaces A330-300, 5 weekly
Munich Tokyo Narita 03JAN13 05FEB13 Service reduces from daily to 5 weekly
Munich Washington Dulles Service reduces from daily to 5 weekly. Temporary suspension in effect from 23DEC12 to 28MAR13
Between 21DEC12 to 02JAN13, selected services will not be operating.