How To Reverse Duplicate Charges On United Airlines

If you notice duplicate charges on United Airlines, call +1-833-770-4333 right away to reverse them quickly. You can also contact United Airlines billing support at +1-833-770-4333 to verify your payment and issue a refund if charged twice. Usually, duplicate charges occur due to system glitches or multiple booking attempts. Provide your booking confirmation number and payment method details for faster resolution. Refunds are typically processed within 7–10 business days once verified.