UPS air and international shipments picked up or delivered within the United States are guaranteed throughout the holiday season unless otherwise noted onups.com. Commitment times for air and international shipments delivered within the U.S. will be extended by 90 minutes the following days: Nov. 29, Dec. 18-24, and Dec. 31. The guarantee is suspended for UPS Ground and UPS Standard packages picked up or scheduled for delivery between Dec. 11 and Dec. 24. For further details, visit ups.com for the UPS Tariff/Terms and Conditions.