1, with different properties. T2 is Terminal 2 of the airport, and t3 is Terminal 3 of the airport.
2. The construction time is different.
3. Different positions. T2 is located in Chaoyang District, Beijing, and t3 is located on the east side of the central square of Capital International Airport in Shunyi District, Beijing.
4. The flight distribution is different. T2 is mainly distributed in 30 airlines, including China Eastern Airlines, China Southern Airlines, Shenzhen Airlines, Eagle United, Chongqing Airlines and Air France, and is a subsidiary of SkyTeam and China Southern Airlines. T3 is mainly distributed in 26 airlines including Shandong Airlines, Sichuan Airlines, Qantas Airlines and Qatar Airways, and is a subsidiary of SkyTeam and China International Airlines.