China–US Flight Baggage Allowance: 2026 Fare-by-Fare Guide

The practical answer: do not choose a China–US flight from an airline-wide “one bag versus two bags” chart. In 2026, two economy passengers on the same airline can receive different allowances because they bought different fare brands or tickets issued on different dates. A codeshare can also make the baggage policy shown on the ticket more important than the logo painted on the aircraft.

The reliable comparison is the total ticket price after bags for one specific itinerary. Search the fare, identify the marketing and operating carriers, open the fare rules, and save the baggage line before payment.

Verified 2026 economy snapshot

This table summarizes what each airline’s current official material says. It is a starting point, not a substitute for the allowance printed in checkout or on an issued ticket.

Official policy pages: Air China baggage transport, China Eastern free allowance, China Southern free checked baggage, JAL international conditions of carriage, American checked bag policy, United international checked-bag limits, and Delta baggage overview.

Policies can change after this review. The issued ticket and the carrier’s calculation for that booking take precedence over this summary.

Why the old “best airline for baggage” ranking fails

Fare brands change the allowance

China Eastern’s current Americas table is a clear example: Standard and Flexible Economy list two 23 kg pieces, while Basic Economy lists one. China Southern publishes a similar brand-dependent warning: Economy Saver can receive one fewer piece than the standard economy allowance, and Economy Light can receive none.

American changed its Asia Basic Economy policy during 2026. Its current page says a first bag is free for tickets issued on or after 23 April 2026, while earlier qualifying Basic Economy tickets carried a USD 75 first-bag fee. A static article that says only “American gives one bag” cannot tell a passenger what an older ticket includes.

Codeshares have a marketing carrier and an operating carrier

“Operated by” identifies the airline flying the aircraft. The two-letter flight code on the ticket identifies the marketing carrier. On a single-ticket itinerary involving the United States, the baggage rules selected by the first marketing carrier generally apply through the journey under the US DOT framework.

That means a ticket sold as one airline’s flight but operated by its partner does not automatically use the operating airline’s public allowance table. The US Department of Transportation’s ticket-buying guidance requires the operating carrier to be disclosed, and DOT’s baggage guidance explains why the first marketing carrier matters on a single ticket.

For separate tickets, through-checking and baggage protection may not carry across the connection at all. Price and assess each ticket independently.

Elite status is not a universal alliance table

The previous version of this guide claimed that every Star Alliance Silver member received an extra bag, every Star Gold member received two, and SkyTeam tiers changed bag weight to 32 kg. Those are not safe alliance-wide rules.

Benefits depend on the airline, status programme, fare, route and whether the flight is marketed or operated by a partner. China Southern also left SkyTeam years ago, so classifying it as a current SkyTeam airline was incorrect. Enter the actual frequent-flyer number in the airline’s booking or baggage calculator and confirm the resulting allowance in writing.

Calculate the real fare in six steps

1. Search the exact itinerary. Compare like-for-like dates and cabin products using the flight comparison search.
2. Record the fare brand. “Economy” is not enough. Save whether the fare is Light, Basic, Standard, Main, Flexible or another named product.
3. Read every flight line. Note both the marketing code and the “operated by” carrier, particularly on a Japan, Korea or domestic US connection.
4. Open the baggage details before paying. Record free pieces, maximum weight, maximum dimensions and fees for the first extra, overweight and oversized bag.
5. Add the fees in both directions. Baggage charges are commonly assessed per passenger and per direction. Do not assume a round trip doubles neatly if the fare, ticket or governing carrier changes.
6. Save evidence. Keep the checkout baggage disclosure, e-ticket receipt and any calculator result. Recheck shortly before departure, but the ticketed allowance is the key record if the website changes later.

The total comparison should look like this:

A flight that is USD 80 cheaper can be the worse deal if it removes a bag in each direction. Conversely, paying hundreds more for a “two-bag airline” is wasteful when the family only checks one suitcase.

Weight and size rules need separate checks

For many transpacific economy products, 23 kg is the standard maximum for a free piece, but the dimensional rule is not universal. Air China and China Eastern commonly use a 158 cm sum of length, width and height for these routes. JAL’s international economy conditions allow 203 cm per piece.

An extra piece, an overweight piece and an oversized piece are three different fee events. Some airlines combine charges when a bag violates more than one limit. Do not assume paying an “overweight fee” also clears an oversized case.

Most airlines will not accept an ordinary checked piece above 32 kg, but the restriction and cargo alternative are carrier-specific. Split the contents before reaching the airport rather than relying on a special-handling exception.

Passengers cannot universally pool allowances. Two people may each have one permitted piece, but that does not necessarily allow one person to check a single 46 kg suitcase. Each piece must remain within its own limit and the airline may require bags to be tagged to the eligible passenger.

Carry-on, children and special items

There is no safe “all airlines allow 7–10 kg” carry-on rule. JAL, for example, permits one carry-on plus one personal item with a combined 10 kg limit and specified dimensions. China Southern’s international economy table lists one carry-on with its own 8 kg and size limits. US carriers often describe cabin baggage by size and fare product rather than the same weight rule.

Check these items separately:

• Strollers and child seats: many airlines transport qualifying items without counting them as a standard bag, but the number, size and gate-check process differ.
• Mobility aids: airlines serving the United States cannot charge a baggage fee for an assistive device; see US DOT ticket and baggage guidance.
• Sports equipment and instruments: the ordinary bag fee may apply only when the item stays within size and weight limits. An extra seat for an instrument requires advance airline approval.
• Pets: a pet is not ordinary checked baggage and is never placed in a “dedicated pet cabin” merely because a general table says so. Species, route, temperature, aircraft, documents and embargoes determine acceptance.
• Lithium batteries: power banks and spare lithium batteries generally belong in carry-on baggage, subject to capacity and airline approval rules. Check both the airline and departure-security requirements.

Our carry-on baggage guide covers cabin-bag measurement, while the international pet transport guide explains why animal transport needs a separate workflow.

What to do after ticketing

• Open the airline’s “Manage trip” page and verify the baggage allowance attached to each passenger.
• Add loyalty status before check-in and confirm whether the allowance changes.
• Prepay only through the airline or the issuing agent named on the booking; compare the refund rules before purchase.
• Weigh every bag on a reliable scale and measure the three outer dimensions, including wheels and handles.
• Photograph the packed bag and retain the baggage tag receipt until delivery.
• For a long connection or separate ticket, ask whether bags are checked through to the final destination and whether customs requires collection en route.

FAQ

Which airline gives two free bags from China to the United States?

JAL-operated international economy lists two 23 kg pieces. China Eastern lists two on several non-Basic economy brands for Americas itineraries. China Southern’s result depends on brand, and other airlines may include additional bags on specific fares or through status. Verify the exact checkout disclosure rather than selecting by airline name alone.

Is the baggage policy different on the return flight?

It can be, but not simply because the aircraft logo changes. On a single ticket involving the US, the first marketing carrier’s selected rules generally govern the journey. A different return ticket, fare brand, ticket issue date or separate-ticket arrangement can produce another result.

Can a couple combine two 23 kg allowances into one 46 kg bag?

No universal rule permits that, and a 46 kg bag exceeds the normal single-piece maximum of the airlines in this comparison. Pack separate compliant pieces and check the carrier’s pooling rule.

Are bags over 32 kg accepted for an extra fee?

Usually not as ordinary passenger baggage. The airline may require the contents to be split or sent as cargo. Confirm special-item or cargo arrangements before travel.

Does business class always include two 32 kg bags?

Many long-haul business products do, but not every fare, codeshare or partner itinerary is identical. Read the baggage line attached to the actual ticket.

What matters most when buying through an agency?

The fare brand, marketing and operating carriers, baggage disclosure, and ticket issuer. Save the agency’s checkout evidence and contact the issuer first if a post-ticketing problem occurs.

Policies were checked against airline and US DOT sources on 13 July 2026. Airline baggage rules are commercially changeable; verify the allowance displayed for your itinerary before payment.