Explore the latest Sichuan Airlines (3U) fleet and aircraft seat maps. Compare amenities, baggage, check-in, children and pet travel rules.
Last updated: October 2026
IATA: 3UFounded 1986HQ: Chengdu Shuangliu International Airport, Chengdu, Sichuan
About Sichuan Airlines
Explore the latest Sichuan Airlines (3U) fleet and aircraft seat maps. Compare amenities, baggage, check-in, children and pet travel rules.
Sichuan Airlines is a Chinese airline founded on 19 September 1986. The company is based in Chengdu Shuangliu International Airport in Chengdu, Sichuan Province. Chengdu Shuangliu International Airport is the main company' hub and the largest airline in western China. Sichuan Airlines has the following focus cities: Beijing-Capital, Harbin, Hangzhou, Sanya, Lhasa, Xi'an, Nanning. In addition, the company has the frequent-flyer program - Golden Panda. The fleet size of Sichuan Airlines is 178 aircrafts. Planes fly to 94 destinations.
Fees and allowances vary by route, fare and status.
Baggage
Passengers are allowed only one carry-on bag and one purse/laptop bag or briefcase. All carry-on baggage may not exceed the maximum dimensions of 20×40×55 and the maximum weight of 10 kg. The checked-in baggage for Sichuan Airlines may not exceed 158cm in dimensions (length + width + height). Any single piece of luggage weighing more than 23 kg is not allowed. The free baggage allowance is shown on the ticket and will depend on the conditions and restrictions in force at the time of the flight.
Pets are not allowed on Sichuan Airlines flights. However, pets may be carried as checked baggage. The total weight of the pet and their carrier or pet crate must not exceed the weight limit of 71 pounds (32 kg). Dimensions may not exceed 16 x 27 x 39 inches or less than 2 x 6 x 9 inches. One passenger can carry no more than two pets.
Infants are defined as children under two years of age. Infants less than 14 days old are not allowed on the flight. Infants may fly without an airplane seat on the lap of an accompanying adult. If you wish, you can buy a seat for an infant at the infant fare. Children over two years of age must have their seat on the plane. If one adult travels with two infants, one seat must be purchased for one infant, and the other may be held on the lap.
Check-in can be done online (via the website or mobile app) or at the airport. Online check-in begins 24 hours before departure and ends 60 minutes before departure. Check-in desks open three hours before departure and close 60 minutes before departure. The gate closes 30 minutes before the scheduled departure time.
Southern Airlines offers special services for unaccompanied minors and unaccompanied teenagers. All minors between the ages of 5 and 11 who travel alone must apply for the unaccompanied minor service. These age restrictions apply to both domestic and international flights. In addition, on domestic flights, since each adult passenger may only accompany two children under 12 years of age in the same cabin, any other children must be subject to the Unaccompanied Minors service even if these children purchased the ticket at the total price.
Find quick answers to the most common questions about flying with Sichuan Airlines.
What cabin baggage does Sichuan Airlines allow in Economy and Business?
Economy allows one piece and Business two, each up to 8 kg and 55 × 40 × 20 cm, on domestic and international/regional flights, excluding lap infants.
What happens if my Sichuan Airlines cabin baggage exceeds the limits?
Check it in at a counter or self-service baggage facility. Excess baggage charges apply if it exceeds the free checked allowance.
Can I bring a large delicate instrument into the Sichuan Airlines cabin?
Obtain prior carrier approval and pay for seat baggage. Including packaging, its dimensions must not exceed 40 × 60 × 140 cm.
What should I do about delayed, missing or damaged Sichuan Airlines baggage?
Contact Sichuan Airlines or its ground agent to complete a baggage-incident or damage report for investigation.
What documents support a Sichuan Airlines baggage-loss claim?
Submit the ticket or copy, baggage-tag receipt, incident report, evidence of contents and value, and other relevant proof within the applicable claim deadline.
How can I track delayed Sichuan Airlines baggage?
Use the airline WeChat mini-program or app service hall, or call the enquiry number on your incident report or the relevant station number listed online.
Can I check baggage after checking in online with Sichuan Airlines?
Yes. Drop it at an airport counter or self-service baggage facility before the departure airport check-in deadline.
What if I cannot print or lose my Sichuan Airlines boarding pass?
Bring valid identification to a Sichuan Airlines airport counter for a replacement before check-in closes.
Can I use Sichuan Airlines self-service check-in after requesting wheelchair or unaccompanied-child assistance?
No. Use a staffed airport counter so the airline can confirm information and arrange the special service.
Can I change seats after Sichuan Airlines online check-in?
Use the online change-seat function and print a new boarding pass. The old pass becomes invalid. Operational changes may still affect the seat assignment.
Sichuan Airlines Flights, Routes & Travel Guide
Explore the latest Sichuan Airlines (3U) fleet and aircraft seat maps. Compare amenities, baggage, check-in, children and pet travel rules.
Last updated: October 2026
IATA: 3UFounded 1986HQ: Chengdu Shuangliu International Airport, Chengdu, Sichuan
About Sichuan Airlines
Explore the latest Sichuan Airlines (3U) fleet and aircraft seat maps. Compare amenities, baggage, check-in, children and pet travel rules.
Sichuan Airlines is a Chinese airline founded on 19 September 1986. The company is based in Chengdu Shuangliu International Airport in Chengdu, Sichuan Province. Chengdu Shuangliu International Airport is the main company' hub and the largest airline in western China. Sichuan Airlines has the following focus cities: Beijing-Capital, Harbin, Hangzhou, Sanya, Lhasa, Xi'an, Nanning. In addition, the company has the frequent-flyer program - Golden Panda. The fleet size of Sichuan Airlines is 178 aircrafts. Planes fly to 94 destinations.
Fees and allowances vary by route, fare and status.
Baggage
Passengers are allowed only one carry-on bag and one purse/laptop bag or briefcase. All carry-on baggage may not exceed the maximum dimensions of 20×40×55 and the maximum weight of 10 kg. The checked-in baggage for Sichuan Airlines may not exceed 158cm in dimensions (length + width + height). Any single piece of luggage weighing more than 23 kg is not allowed. The free baggage allowance is shown on the ticket and will depend on the conditions and restrictions in force at the time of the flight.
Pets are not allowed on Sichuan Airlines flights. However, pets may be carried as checked baggage. The total weight of the pet and their carrier or pet crate must not exceed the weight limit of 71 pounds (32 kg). Dimensions may not exceed 16 x 27 x 39 inches or less than 2 x 6 x 9 inches. One passenger can carry no more than two pets.
Infants are defined as children under two years of age. Infants less than 14 days old are not allowed on the flight. Infants may fly without an airplane seat on the lap of an accompanying adult. If you wish, you can buy a seat for an infant at the infant fare. Children over two years of age must have their seat on the plane. If one adult travels with two infants, one seat must be purchased for one infant, and the other may be held on the lap.
Check-in can be done online (via the website or mobile app) or at the airport. Online check-in begins 24 hours before departure and ends 60 minutes before departure. Check-in desks open three hours before departure and close 60 minutes before departure. The gate closes 30 minutes before the scheduled departure time.
Southern Airlines offers special services for unaccompanied minors and unaccompanied teenagers. All minors between the ages of 5 and 11 who travel alone must apply for the unaccompanied minor service. These age restrictions apply to both domestic and international flights. In addition, on domestic flights, since each adult passenger may only accompany two children under 12 years of age in the same cabin, any other children must be subject to the Unaccompanied Minors service even if these children purchased the ticket at the total price.
Find quick answers to the most common questions about flying with Sichuan Airlines.
What cabin baggage does Sichuan Airlines allow in Economy and Business?
Economy allows one piece and Business two, each up to 8 kg and 55 × 40 × 20 cm, on domestic and international/regional flights, excluding lap infants.
What happens if my Sichuan Airlines cabin baggage exceeds the limits?
Check it in at a counter or self-service baggage facility. Excess baggage charges apply if it exceeds the free checked allowance.
Can I bring a large delicate instrument into the Sichuan Airlines cabin?
Obtain prior carrier approval and pay for seat baggage. Including packaging, its dimensions must not exceed 40 × 60 × 140 cm.
What should I do about delayed, missing or damaged Sichuan Airlines baggage?
Contact Sichuan Airlines or its ground agent to complete a baggage-incident or damage report for investigation.
What documents support a Sichuan Airlines baggage-loss claim?
Submit the ticket or copy, baggage-tag receipt, incident report, evidence of contents and value, and other relevant proof within the applicable claim deadline.
How can I track delayed Sichuan Airlines baggage?
Use the airline WeChat mini-program or app service hall, or call the enquiry number on your incident report or the relevant station number listed online.
Can I check baggage after checking in online with Sichuan Airlines?
Yes. Drop it at an airport counter or self-service baggage facility before the departure airport check-in deadline.
What if I cannot print or lose my Sichuan Airlines boarding pass?
Bring valid identification to a Sichuan Airlines airport counter for a replacement before check-in closes.
Can I use Sichuan Airlines self-service check-in after requesting wheelchair or unaccompanied-child assistance?
No. Use a staffed airport counter so the airline can confirm information and arrange the special service.
Can I change seats after Sichuan Airlines online check-in?
Use the online change-seat function and print a new boarding pass. The old pass becomes invalid. Operational changes may still affect the seat assignment.