ˈɛstə ˌæplɪkˈeɪʃənz mˈeɪ biː mˌeɪd æɾ ˌɛni tˈaɪm, bˌʌt tɹˈævəlɚz ɑːɹ ɛŋkˈɜːɹɪdʒd tʊ ɐplˈaɪ æt lˈiːst sˈɛvənti tˈuː ˈaʊɚz pɹˈaɪɚ tə tɹˈævəl.
ESTA applications may be made at any time, but travelers are encouraged to apply at least 72 hours prior to travel.