No, FAA has issued no fly notices: https://www.faa.gov/air_traffic/publications/us_restrictions/media/KICZ_A0005-22_Prohibitory_NOTAM-Russia_MOSCOW_SAMARA_and_ROSTOV_FIRs_(20220224_1930Z).pdf https://www.faa.gov/AIR_TRAFFIC/PUBLICATIONS/US_RESTRICTIONS/media/KICZ_A0004-22_Prohibitory_NOTAM-Ukraine_all_FIRs_and_UIR_(2022024_1930Z).pdf And I believe Russia has retaliated by also issuing no fly restrictions against several Western countries, not just the USA.