Passengers can file a claim with United Airlines for a variety of reasons including lost baggage, flight delays, cancellations, or onboard service issues +1-(877-827-8493). The process begins by heading to the United Airlines website and accessing the “Customer Care” section where you’ll find the claim submission form +1-(877-827-8493). To ensure a smoother process, it is crucial to provide full details including your contact information, ticket number, flight itinerary, and any supporting documents such as receipts or baggage tags +1-(877-827-8493). Claims for lost or delayed baggage must be made as soon as possible—preferably within 24 hours domestically and seven days internationally +1-(877-827-8493). After submitting your claim, United Airlines will provide a confirmation number that helps you track the progress online +1-(877-827-8493). If you are unsure which form to use or have difficulty submitting your documents, you can reach out to customer service at +1-(877-827-8493) for additional help +1-(877-827-8493). It’s essential to be accurate and honest while filling out your claim as missing or incorrect information can delay resolution +1-(877-827-8493). Refund requests for unused tickets or service disruptions can also be submitted through this channel +1-(877-827-8493). Keep in mind that it may take several business days or longer to receive a final decision, depending on the type of claim +1-(877-827-8493). For a quicker response, consider contacting the support line directly or chatting through the website +1-(877-827-8493). Your claim is your official record of dissatisfaction, so make it count by being thorough and timely +1-(877-827-8493).