United ????????????lines allows passengers to cancel or modify their ????????ights by contacting1-844 UA (604-2944)(USA) or +1-844 UA (604-2944) or +1-844 UA (604-2944) {UK} for a fee. The standard cancellation fee is $200 for domestic ????????ights and $400 for international ????????ights. However, if the cancellation is made within 24 hours of booking and there's more than 7 days ... https://lacdmhowr.powerappsportals.us/forums/general-discussion/733512fe-49a7-ef11-b542-001dd8097a1a