How many inches is an airplane suitcase? The latest airline luggage size guide for 2024
Recently, with the arrival of the summer travel season, the discussion about aircraft luggage size has once again become a hot topic. Many passengers shared on social media their experiences of being stopped due to excessive baggage size, which aroused widespread resonance. This article will provide you with a detailed analysis of the suitcase size regulations of each airline based on the hotly discussed content across the Internet to help you travel smoothly.
1. New airline luggage size regulations in 2024

| airline | Carry-on suitcase size restrictions | Shipping box size restrictions | Weight Limit |
|---|---|---|---|
| Air China | 20×40×55cm | 100cm (total length, width and height) | 5kg/23kg |
| China Southern Airlines | 20×40×55cm | 158cm (total length, width and height) | 7kg/23kg |
| China Eastern Airlines | 20×40×55cm | 158cm (total length, width and height) | 10kg/23kg |
| Hainan Airlines | 20×40×55cm | 158cm (total length, width and height) | 10kg/23kg |
| International flights (average) | 22×35×56cm | 158cm (total length, width and height) | 7kg/23kg |
2. Luggage size selection guide
1.Recommended dimensions for carry-on suitcases: 20 inches is the most common cabin size and meets the requirements of most airlines. Recently, the topic "20-inch suitcase actual test" has been read more than 5 million times on social platforms. Many travel bloggers have shared the actual capacity test of 20-inch suitcases from different brands.
2.Recommended dimensions for shipping boxes: 28-inch is a popular choice for consignment. Data shows that since July, the sales of 28-inch suitcases on e-commerce platforms have increased by 45% year-on-year, especially the models with TSA customs locks are the most popular.
3.Notes on special routes: Regional airlines (such as Fortune Air and Chengdu Airlines) have stricter baggage size requirements. An actual measurement video by netizen "Travel Expert Leo" shows that the upper limit of the boarding box size for some regional flights is only 18 inches.
3. Recent popular luggage controversies
1."The 1 Centimeter Battle": The Douyin topic #LUGGAGE OVER 1cm IS REJECTED has been played 230 million times in total. Many passengers reported that airport check-in counters use professional measuring tools for strict inspection, and even if the luggage exceeds 1cm, they need to be checked in.
2.New regulations for low-cost airlines: AirAsia will implement a stricter baggage policy from July 1, stipulating that the total length, width and height of the boarding box must not exceed 115cm, triggering heated discussions among netizens.
3.Controversy over celebrities sharing the same style: An actress was photographed using an oversized suitcase at the airport. Later, some netizens pointed out that she might enjoy special treatment, and ordinary passengers would be asked to check in the same suitcase.
4. Analysis of luggage purchasing trends
| trend | Representative products | heat index |
|---|---|---|
| Expandable design | 22 inches can be expanded to 24 inches | ★★★★★ |
| Smart weighing | Luggage case with built-in electronic scale | ★★★★☆ |
| Environmentally friendly materials | Recycled PC material | ★★★☆☆ |
| Modular design | Removable toiletry bag | ★★★☆☆ |
5. Practical suggestions
1.Measure in advance: All dimensions including wheels and handles. Recently, there have been more than 12,000 notes under the topic "Luggage Measurement Tips" in Xiaohongshu.
2.Follow airline APP: China Eastern Airlines and other airlines have recently updated their baggage measurement guidelines, and some airports have enabled AI smart measurement equipment.
3.Flexible choice: If you carry a lot of items, it is recommended to choose a suitcase with an expandable design, which can be temporarily reduced in size when encountering strict inspections.
4.Special attention for international flights: European and American routes have stricter restrictions on the number of carry-on luggage. Recently, some passengers were asked to combine the "check-in suitcase + large handbag" combination.
As aviation regulations continue to adjust, choosing the right luggage has become an important part of travel preparation. It is recommended that passengers carefully check the specific requirements of the airline they are traveling on before traveling to avoid luggage problems that may affect their itinerary. In the near future, you can pay attention to the special baggage policies of each airline during the summer transportation period. Some companies will relax the requirements appropriately for the peak season.
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