Delta Airlines' baggage policy allows passengers to bring one carry-on bag and one personal item for free. The carry-on bag must not exceed 22 x 14 x 9 inches in size, while the personal item should fit under the seat in front of you. For checked baggage, the policy varies depending on the fare type and destination. Passengers can check the specific baggage allowance for their flight on Delta's website or by contacting the airline directly. Additional fees may apply for excess or oversized baggage. **

Many airlines have different policies regarding hand luggage flexibility. Some airlines may have strict rules on the size and weight of hand luggage, while others may be more lenient. It is important for passengers to check the specific hand luggage policy of the airline they are flying with to avoid any issues at the airport. Some airlines may also offer the option to purchase additional hand luggage allowance if needed. **

United Airlines' policy for excess baggage varies depending on the route and class of service. For domestic flights within the United States, the fee for the first and second checked bag is $35 each, and the fee for any additional bags is $150 each. For international flights, the fees for excess baggage also vary based on the destination and class of service. It is recommended to check United Airlines' website or contact their customer service for specific details on excess baggage fees for a particular flight. **

Not all airlines become budget airlines like Ryanair because there are different market segments within the airline industry. Some airlines choose to focus on providing premium services and amenities to attract high-paying customers, while others target budget-conscious travelers. Additionally, the business model of budget airlines, which relies on high aircraft utilization, point-to-point routes, and ancillary revenue, may not be suitable for all airlines. Furthermore, some airlines may have established brand identities and customer bases that are not aligned with the budget airline model. **

Corendon Airlines Europe's free baggage allowance policy varies depending on the ticket type. For Economy Class tickets, passengers are allowed one piece of checked baggage weighing up to 20kg. For Comfort Class tickets, passengers are allowed two pieces of checked baggage, each weighing up to 20kg. Additionally, passengers are allowed one piece of carry-on baggage weighing up to 8kg. It's important to check the specific baggage allowance for your ticket type before traveling. **

China Airlines has had a few safety incidents in the past, including a number of crashes and accidents. However, it is important to note that the airline has also made significant improvements in its safety standards and procedures in recent years. The airline has also passed safety audits conducted by international aviation organizations. Like any airline, there are always risks associated with flying, but China Airlines has taken steps to improve its safety record and is considered to be a relatively safe airline to fly with. **

China Airlines is a reputable and well-established airline based in Taiwan. It has a good safety record and is a member of the SkyTeam alliance, which includes other major airlines such as Delta and Air France. However, like all airlines, it has had its share of incidents and accidents over the years. Overall, China Airlines is considered to be a reliable and safe airline for travel. **

KLM Airlines, also known as Koninklijke Luchtvaart Maatschappij, is the flag carrier airline of the Netherlands. It is one of the oldest airlines in the world, founded in 1919. KLM is part of the Air France-KLM group and operates flights to over 145 destinations worldwide. Known for its high-quality service and modern fleet, KLM is a popular choice for travelers flying to and from Europe. **