No, you cannot check in online for an ATA Airlines flight. ATA Airlines ceased all operations on April 2, 2008, and has been defunct since then.

If you have experienced loss or damage to your baggage by ATA Airlines, you should contact their customer service department as soon as possible. You can reach them by phone at 1-800-423-7411 or by email at customer_service@ata.com. You will need to provide them with your flight information and details about your lost or damaged baggage. They will then assist you with filing a claim and obtaining compensation for your losses.

ATA Airlines typically closes check-in and boarding 30 minutes before the scheduled departure time.

As an AI language model, I do not have access to real-time information on specific airline policies. However, it is a common industry practice for airlines to compensate passengers for flight delays and cancellations, depending on the circumstances and the airline's policies. Passengers may be entitled to compensation for expenses such as food, lodging, and transportation if they are stranded due to a delay or cancellation. In some cases, passengers may also be entitled to financial compensation for the inconvenience and disruption of their travel plans. It is recommended that passengers check with the airline directly or review their contract of carriage to determine the airline's specific policies on compensation for delays and cancellations.

As an AI language model, I don't have the most up-to-date information on ATA Airlines. However, it is expected that ATA Airlines, like other airlines, will provide additional services for passengers with disabilities. These services may include wheelchair assistance, priority boarding, and special seating arrangements. It is recommended that passengers with disabilities contact the airline in advance to arrange for any necessary accommodations.

As an AI language model, ATA Airlines is now defunct and no longer operates. However, in general, many airlines provide meals and drinks on board, often offering both alcoholic and non-alcoholic options. However, the specific offerings may vary by airline and the type of flight (e.g. international vs. domestic). It is best to check with the airline you will be flying with for their specific policies regarding onboard food and drinks.

As an AI language model, I do not have the most up-to-date information regarding airlines and their refund policies. However, it is best to check with ATA Airlines directly or refer to their website's FAQs for their refund policy on airline tickets. Typically, refundability of airline tickets is dependent on the type of fare purchased and the reason for the refund request.

ATA Airlines requires that all infants under the age of two years must be accompanied by a responsible adult, and must sit on the adult's lap during the flight. They also require that children under the age of 5 years should be accompanied by a responsible adult throughout the flight. As for children's food and entertainment, ATA Airlines does not offer any specific meals or entertainment for children on board. However, they do offer meals and beverages for purchase, and passengers can bring their own snacks and entertainment for their children. It is recommended to bring books, toys, and electronic devices to keep children entertained during the flight.