See below from XPO regarding their holiday schedule:

LTL Holiday Operating Schedule

Please review the following when planning your LTL shipments surrounding the holiday:

XPO Logistics in the US, Puerto Rico and Canada will be closed Monday, September 5 in observance of Labor Day.
• There will be no pickups or deliveries on Monday, September 5
• Normal operations will resume Tuesday, September 6
Thank you for your patience and understanding. We wish you a safe and happy holiday.
XPO Logistics