Pokemon Legendaries Catchable in Gen VI

Legendary Pokémon Catchable in Gen VI (Last Updated: 2014.11.14)
Generation 1:
Articuno - Catchable in XY (Depends on Starter)
Zapdos - Catchable in XY (Depends on Starter)
Moltres - Catchable in XY (Depends on Starter)
Mewtwo - Catchable in XY
Mew - Expected Event Only

Confirmed Obtainable w/o Event: 4/5
Confirmed Obtainable via Event: 0/5
Confirmed Obtainable: 4/5

Generation 2:
Raikou - Confirmed for ORAS in Delta Episode Trailer
Entei - Confirmed for ORAS in Delta Episode Trailer
Suicune - Confirmed for ORAS in Delta Episode Trailer
Lugia - Confirmed for ORAS in More Mighty Mega-Evolved Pokémon Set Trailer
Ho-Oh - Confirmed for ORAS in More Mighty Mega-Evolved Pokémon Set Trailer
Celebi - Given through Pokemon Bank

Confirmed Obtainable w/o Event: 5/6
Confirmed Obtainable via Event: 1/6
Confirmed Obtainable: 6/6

Generation 3:
Regirock - Confirmed for ORAS in Delta Episode Trailer
Regice - Confirmed for ORAS in Delta Episode Trailer
Registeel - Confirmed for ORAS in Delta Episode Trailer
Latias - Confirmed for AS in More Mighty Mega-Evolved Pokémon Set Trailer
Latios - Confirmed for OR in More Mighty Mega-Evolved Pokémon Set Trailer
Kyogre - Catchable in AS
Groudon - Catchable in OR
Rayquaza - Confirmed in Land/Sea Trailer
Jirachi - Expected Event Only (Japan Event Confirmed)
Deoxys - Confirmed for ORAS in Delta Episode Trailer

Confirmed Obtainable w/o Event: 9/10
Confirmed Obtainable via Event: 1/10 (0/10 Outside of Japan)
Confirmed Obtainable: 10/10 (9/10 Outside of Japan)

Generation 4:
Uxie - Confirmed for ORAS in Delta Episode Trailer
Mesprit - Confirmed for ORAS in Delta Episode Trailer
Azelf - Confirmed for ORAS in Delta Episode Trailer
Dialga - Confirmed for ORAS in More Mighty Mega-Evolved Pokémon Set Trailer
Palkia - Confirmed for ORAS in More Mighty Mega-Evolved Pokémon Set Trailer
Heatran - Confirmed for ORAS in Delta Episode Trailer
Regigigas - Confirmed for ORAS in Delta Episode Trailer
Giratina - Stated to be catchable if you have Dialga and Palkia in party by various sources.
Cresselia - Confirmed for ORAS in Delta Episode Trailer
Phione* - Breedable from Manaphy (When Available)
Manaphy - Expected Event Only (No Event Confirmed)
Darkrai - Expected Event Only (Japan Event Confirmed)
Shaymin - Expected Event Only (No Event Confirmed)
Arceus - Expected Event Only (No Event Confirmed)

Confirmed Obtainable w/o Event: 9/14
Confirmed Obtainable via Event: 1/14 (0/14 Outside of Japan)
Confirmed Obtainable: 10/14 (8/14 Outside of Japan)

Generation 5:
Victini - Generally Event Only (Japan Event Confirmed)
Cobalion - Confirmed for ORAS in Delta Episode Trailer
Terrakion - Confirmed for ORAS in Delta Episode Trailer
Virizion - Confirmed for ORAS in Delta Episode Trailer
Tornadus - Confirmed for ORAS in Delta Episode Trailer
Thundurus - Confirmed for ORAS in Delta Episode Trailer
Reshiram - Confirmed for ORAS in More Mighty Mega-Evolved Pokémon Set Trailer
Zekrom - Confirmed for ORAS in More Mighty Mega-Evolved Pokémon Set Trailer
Landorus - Confirmed for ORAS in Delta Episode Trailer
Kyurem - Stated to be catchable if you have Reshiram and Zekrom in party by various sources.
Keldeo - Expected Event Only (Japan Event Confirmed)
Meloetta - Expected Event Only
Genesect - Expected Event Only

Confirmed Obtainable w/o Event: 9/13
Confirmed Obtainable via Event: 2/13 (0/13 Outside of Japan)
Confirmed Obtainable: 11/13 (8/13 Outside of Japan)

Generation 6:
Xerneas - Catchable in X
Yveltal - Catchable in Y
Zygarde - Catchable in XY
Diancie - XY Event Only

Confirmed Obtainable w/o Event: 3/4
Confirmed Obtainable via Event: 1/4
Confirmed Obtainable: 4/4


Total Legendaries

Confirmed Obtainable w/o Event: 39/52
Confirmed Obtainable via Event: 6/52 (2/52 Outside of Japan)
Confirmed Obtainable: 45/52 (39/52 Outside of Japan)