UPS快遞渠道有區分快慢嗎（UPS國際快遞服務等級號含義）

ups服務等級號含義 （即上面的y字符）
01 ups united states next day air (red)
ups次日達 （空運，紅單）
02 ups united states second day air (blue) - ups第二個工作日結束前送達（空運，藍單）
03 ups united states ground - ups陸運
12 ups united states third day select ups第二個工作日結束前送達
13 ups united states next day air saver (red saver) - ups次日達（空運，紅單，優惠版）
15 ups united states next day air early a.m. - ups次晨達（空運）
22 ups united states ground - returns plus - three pickup attempts - ups陸運（最多派送三次）
32 ups united states next day air early a.m. - cod ups次晨達（貨到付款）
33 ups united states next day air early a.m. - saturday delivery, cod - ups次晨達（星期六派送，貨到付款）
41 ups united states next day air early a.m. - saturday delivery ups次晨達（星期六派送）
42 ups united states ground - signature required - ups陸運（需親筆簽名）
44 ups united states next day air - saturday delivery - ups次日達（星期六派送）
66 ups united states worldwide express - ups全球特快 （1-3個工作日送達）
72 ups united states ground - collect on delivery - ups陸運（貨到付款）
78 ups united states ground - returns plus - one pickup attempt ups陸運（只派送一次）
90 ups united states ground - returns - ups prints and mails label - ups陸運（打印回郵標簽）
a0 ups united states next day air early a.m. - adult signature required - ups次晨達（必須成人簽名）
a1 ups united states next day air early a.m. - saturday delivery, adult signature required - ups次晨達（星期六遞送，必須成人簽名）
a2 ups united states next day air - adult signature required - ups次日達 （必須成人簽名）
a8 ups united states ground - adult signature required - ups陸運 （必須成人簽名）
a9 ups united states next day air early a.m. - adult signature required, cod - ups次晨達（必須成人簽名，貨到付款）
aa ups united states next day air early a.m. - saturday delivery, adult signature required, cod - ups次晨達（星期六遞送，必須成人簽名，貨到付款）