On Orbit: Expedition 20 Crew: Gennady Padalka, Michael Barratt, Koichi Wakata (Japan), Yuri Lonchakov, Frank De Winne (Belgium), Robert Thirsk (Canada)
Established Six Person Crew Capability

Date          Flight  Launch                         Cargo/Element(s)
                   
Jul 11, 2009  2J/A    STS-127 Endeavour              ISS-29, JEM EF, ELM ES, SLP-D2
                             + Expedition 20 Crew Supplement: Timothy Kopra
Jul 24, 2009  34P     Progress /Soyuz U              ISS Logistics Supply
Aug 18, 2009  17A     STS-128 Discovery              ISS-30, MPLM, LMC, TVIS2, CHeCS 2
                             + Expedition 20 Crew Supplement: Nicole Stott
Aug 30, 2009          Ares I-X                       1st Unmanned Launch: Ares Rocket and Orion CEV
Sep  1, 2009  HTV1    H-II B, JAXA Tanegashima       HTV-Demo
Sep 30, 2009  20S     Soyuz TMA-16/Soyuz FG          Crew Transport
                             Expedition 21 Crew Part
Oct 15, 2009  35P     Progress /Soyuz U              ISS Logistics Supply
Nov 10, 2009  5R      Progress M-SO-2/Proton         Mini Research Module 2 (MRM2)
Nov 12, 2009  ULF3    STS-129 Atlantis               ISS-31, MPLM, ELC1, ELC2
Dec  7, 2009  21S     Soyuz TMA-17/Soyuz FG          Crew Transport
                             Expedition 22 Crew Part 
Dec 26, 2009  36P     Progress /Soyuz U              ISS Logistics Supply
Feb  3, 2010  37P     Progress /Soyuz U              ISS Logistics Supply
Feb  4, 2010  20A     STS-130 Endeavour              ISS-32, Node 3
Mar 18, 2010  19A     STS-131 Discovery              ISS-33, MPLM, LMC
Apr  2, 2010  22S     Soyuz TMA-18/Soyuz FG          Crew Transport
                             Expedition 23 Crew Part 
Apr 27, 2010  38P     Progress /Soyuz U              ISS Logistics Supply
May 14, 2010  ULF4    STS-132 Atlantis               ISS-34, MPLM, ICC, MRM1
May 29, 2010  23S     Soyuz TMA-19/Soyuz FG          Crew Transport
                             Expedition 24 Crew Part 
Jun   , 2010  ATV2    Ariane 5                       ESA ATV-2
Jun 25, 2010  39P     Progress /Soyuz U              ISS Logistics Supply
Jul 29, 2010  ULF5    STS-133 Endeavour              ISS-35, MPLM, ELC3, ELC4
Aug 11, 2010  40P     Progress /Soyuz U              ISS Logistics Supply
Sep 16, 2010  ULF6    STS-134 Discovery              ISS-36, MPLM
Sep 29, 2010  24S     Soyuz TMA-20/Soyuz FG          Crew Transport
                             Expedition 25 Crew Part
Oct 19, 2010  41P     Progress /Soyuz U              ISS Logistics Supply
Dec   , 2010  25S     Soyuz TMA-21/Soyuz FG          Crew Transport
                             Expedition 26 Crew Part
Dec   , 2011  3R      Proton                         Multipurpose Laboratory Module (MLM)

                      ISS Assembly Complete

Mar   , 2014          Orion 2   CEV-ISS 1            Orion-ISS Adapter 1
Jun   , 2014          Orion 3   CEV-ISS 2            Orion-ISS Adapter 2
Sep   , 2014          Orion 4   CEV-ISS 3            Crew Transport
Mar   , 2015          Orion 5   CEV-ISS 4            Crew Transport
Sep   , 2015          Orion 6   CEV-ISS 5            Crew Transport
Mar   , 2016          Orion 7   CEV-ISS 6            Crew Transport
Sep   , 2016          Orion 8   CEV-ISS 7            Crew Transport
Mar   , 2017          Orion 9   CEV-ISS 8            Crew Transport
Sep   , 2017          Orion 10  CEV-ISS 9            Crew Transport
Mar   , 2018          Orion 11  CEV-ISS 10           Crew Transport
Sep   , 2018          Orion 12  CEV-ISS 11           Crew Transport
Mar   , 2019          Orion 14  CEV-ISS 12           Crew Transport
Sep   , 2019          Orion 16  CEV-ISS 13           Crew Transport
Mar   , 2020          Orion 18  CEV-ISS 14           Crew Transport
Sep   , 2020          Orion 20  CEV-ISS 15           Crew Transport
Feb   , 2021          Orion 21  CEV-ISS 16           Crew Transport

Sources: Russian Space Web, Nasa JSC, and ESA.

Thanks to Bill Avery III for communicating many of these data!

• ISS Assembly Flight Sequence (mainly Shuttle)
• Historical ISS missions (including all missions, Shuttle, Soyuz, Progress &c)
• Space Shuttle Launch Schedule
• Constellation Missions: Future Orion and Altair spacecraft unofficial preliminary flight schedule
• ISS Viewing Times - Tucson, Arizona - Munich, Germany
• Nasa's historical ISS flight list, ISS Assembly Progress
• Nasa ISS homepage - ISS Expedition Crews
• International Space Station by Boeing Space and Communications
• Russian Segment of the ISS, Energia, Russia
• ESA ISS homepage
• Russian Space Web
• ISS Expedition Crew Document
• Nasa/GSFC and Honeywell TSI Launches list
• On ESA's Automated Transfer Vehicle (ATV):
  • ATV homepage (ESA)
  • June 16, 2003: "Successful design review: ATV gets go-ahead" (ESA)
  • June 2, 2003: "Jules Verne: the first and most elaborate space rendezvous for Europe" (ESA)
  • Ariane 5 ES-ATV: The launcher for Jules Verne (ESA - May 27, 2005)
  • JSC ISS Monthly Program Review 5/16/2003 Vol 132 (Nasa JSC)
• Space Calendar (Nasa JPL)