Here is list of airlines with Departures and Arrivals at Singapore Changi Airport Terminal Two (T2), their IATA code (flight code), ICAO code(airline code), as well as their their base country and destination cities.

Air India operated by Indian Airlines (AI/AIC)
Home Country: India
Destination Cities: Bangalore, Delhi, Mumbai

Air India Express (IX/AXB)
Home Country: India
Destination Cities: Chennai, Kolkata, Tiruchirapalli

All Nippon Airways (NH/ANA)
Home Country: Japan
Destination Cities: Tokyo-Narita

Asiana Airlines (OZ/AAR)
Home Country: South Korea
Destination Cities: Seoul-Incheon

Etihad Airways (EY/ETD)
Home Country: UAE – United Arab Emirates
Destination Cities: Abu Dhabi, Brisbane

Indian Airlines (IC/IAC)
Home Country: India
Destination Cities: Chennai

Korean Air (KE/KAL)
Home Country: South Korea
Destination Cities: Seoul-Incheon

Lufthansa (LH/DLH)
Home Country: Germany
Destination Cities: Frankfurt, Jakarta-Soekarno-Hatta, Munich

Malaysia Airlines (MH/MAS)
Home Country: Malaysia
Destination Cities: Christmas Island [operated for Australian Indian Ocean Territories Airlines], Kota Kinabalu, Kuala Lumpur, Kuching, Langkawi, Penang

Philippine Airlines (PR/PAL)
Home Country: Philippine
Destination Cities: Jakarta-Soekarno-Hatta, Manila

Royal Brunei Airlines (BI/RBA)
Home Country: Brunei Darussalam
Destination Cities: Bandar Seri Begawan

Shenzhen Airlines (ZH/CSZ)
Home Country: China
Destination Cities: Nanning

SilkAir (MI/SLK)
Home Country: Singapore
Destination Cities: Balikpapan, Cebu, Chengdu, Chiang Mai, Chongqing, Coimbatore, Da Nang, Davao, Dili [operated for AustAsia Airlines], Hyderabad, Kaohsiung, Kathmandu, Kochi, Kota Kinabalu, Kuala Lumpur, Kuching, Kunming, Langkawi, Manado, Mataram, Medan, Palembang, Penang, Phnom Penh, Phuket, Shenzhen, Siem Reap, Solo, Surabaya, Thiruvananthapuram, Xiamen, Yangon

Singapore Airlines (SQ/SIA)
Home Country: Singapore
Destination Cities: Abu Dhabi, Ahmedabad, Bandar Seri Begawan, Bangalore, Bangkok-Suvarnabhumi, Cairo, Cape Town, Chennai, Colombo, Denpasar/Bali, Delhi, Dhaka, Dubai, Hanoi, Ho Chi Minh City, Houston-Intercontinental, Istanbul-Atatürk, Jakarta-Soekarno-Hatta, Jeddah, Johannesburg, Karachi, Kolkata, Kuala Lumpur, Kuwait, Lahore, Malé, Manila, Moscow-Domodedovo, Mumbai, Penang, Riyadh, Tokyo-Narita

Sriwijaya Air (SJ/SJY)
Home Country: Indonesia
Destination Cities: Jakarta-Soekarno-Hatta

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