Package stuck at Ontario, CA?
UPS West Coast Region Air Hub (Ontario International Airport): UPS's air hub in Ontario, CA. We don't track packages. This page tells you what's normal here and whether anything is wrong right now.
No warning signs
No weather warnings or visitor reports here right now
No National Weather Service warnings for Ontario, CA and no visitor reports in the last 6 hours.
We can't read UPS's alert page automatically. Check UPS's official service alerts.
- Normal time here
- a few hours (same night)
- Act after
- 1 business day
- Visitor reports, 24 h
- 0
Check your date ↓What to do now ↓
Checked
What we checked
National Weather Service alerts for Ontario, CA: Nov 15, 6:00 PM EST. UPS service alerts: UPS blocks automated checks. Visitor reports: live. Facility facts reviewed November 14, 2026. How we check
Stuck or normal?
Normal here: A few hours. Air packages usually arrive and depart the same night, so you often see "Arrived at Facility" and "Departed from Facility" a few hours apart.
Act if: no new scan for 1 business day. Weekends and federal holidays don't count.
In November and December the hub runs at its limit. A package that misses its flight waits for the next night's sort, which adds a day. These are rules of thumb from how UPS's network works, not a UPS promise. How we set them.
What to do if your package is stuck here
- Wait until there's been no new scan for 1 business days. Ground packages often go 1 to 3 days without a scan while on a truck.
- Ask the sender to open a trace with UPS. UPS treats the shipper as its customer, so this usually gets the fastest answer.
- You can also use "Report a Problem" or chat from the UPS tracking page.
- If UPS says it's lost or damaged, a claim must be started within 60 days of the scheduled delivery date. The shipper usually files. UPS claims
- Bought it from a store? Contact the seller. They can file the claim or send a replacement.
More detail: UPS step-by-step guide · Amazon, eBay and Etsy refunds · Who should file
Is your package stuck here too?
No one has reported a stuck package here in the last 24 hours. If yours is stuck here, you can be the first. It helps others see if this hub is backed up.
Anonymous. We never ask for tracking numbers. To stop double counting we keep a scrambled network code for 48 hours. Privacy
Why packages sit at UPS Ontario, CA
- It missed the flight and is waiting for the next sort
- Weather grounded or delayed flights into or out of the hub
- A damaged or unreadable label sent it to a manual repair area
- Customs paperwork (international packages)
Scans you'll see here
- Pickup Scan: A UPS driver picked up the package from the sender.
- Drop-Off: The sender dropped the package at a UPS Store, Access Point or drop box.
- Origin Scan: The package was scanned at the first UPS facility that handles it.
- On the Way: UPS has the package, it is moving through the network, and it has a scheduled delivery date.
- Arrived at Facility: The package arrived at a UPS hub or sorting facility.
- Departed from Facility: The package left a UPS facility toward the next hub or the delivery center.
- Processing at UPS Facility: The package is being sorted inside a UPS facility.
- Destination Scan: The package reached the UPS center that will deliver it.
- Transferred to Post Office for Delivery: The sender chose a service where UPS hands the package to the local post office for final delivery.
- Not received at the UPS facility as scheduled: The package didn't arrive at the next UPS facility when planned, often because of a missed trailer, a late load or volume.
All UPS tracking messages explained
About this facility
An air hub sorts UPS Next Day Air, 2nd Day Air and some international packages between flights. Planes land in the evening, packages are sorted in a few hours overnight, and they fly out before morning.
- Air sort facility of about 778,837 square feet with 67,000 packages/documents per hour capacity (UPS Air Operations Facts)
- 156-acre ramp with 21 aircraft parking positions (UPS Air Operations Facts)
- A 2021 Ontario facility of more than 400,000 sq ft has 29 miles of conveyors and moves about 400,000 packages a day (ABC7)
- The air hub and the adjacent Ontario ground hub both scan as 'Ontario, CA, United States'. Tracking does not say which one
Names you might see
In tracking: Ontario, CA, United States. Also called: ONT hub, West Coast air hub, Ontario hub.
Alert history
No weather or service alerts here in the last 30 days.
Questions
How long do packages stay at UPS Ontario, CA?
Usually a few hours (same night). In November and December the hub runs at its limit. A package that misses its flight waits for the next night's sort, which adds a day.
My package hasn't moved from Ontario, CA, United States. Is it lost?
Probably not. If there's been no new scan for 1 business day (weekends and holidays don't count), it's worth acting: ask the sender to open a trace with UPS, or use "Report a Problem" on the UPS tracking page. Packages are rarely lost at a hub. They're usually in a trailer or container that hasn't been scanned yet.
How do I know if there's a delay at UPS Ontario, CA today?
Check the status box at the top of this page. We read National Weather Service alerts for Ontario, CA every 30 minutes and count visitor reports. UPS blocks automated checks of its alert page, so also check UPS's official service alerts.
Can you tell me where my package is?
No. We don't have access to UPS tracking and never ask for tracking numbers. Only UPS (and the sender) can see a specific package. We explain what the scans mean and whether there's a known problem at the facility.
Other UPS facilities nearby
Ontario, CAUPS Goodyear, AZGoodyear, AZUPS Lathrop, CALathrop, CAUPS Oakland, CAOakland, CAUPS Salt Lake City, UTSalt Lake City, UTUPS Commerce City, COCommerce City, COOther carriers' hubs near Ontario
- FedEx Ontario, CA (FedEx, Ontario)
- FedEx Rialto, CA (FedEx, Rialto)
- City OF Industry CA Distribution Center (USPS, City of Industry)
Sources
- UPS Air Operations Facts (Mar 31, 2025) (accessed 2026-11-14)
- New Ontario UPS facility to process 400K packages a day (ABC7, Nov 2021) (accessed 2026-11-14)
- QVC Community: Shipment From Ontario (Aug 2025, scan evidence) (visitor posts) (accessed 2026-11-14)
The scan name above comes from how UPS usually labels locations and from posts by people who saw it, not from an official UPS list. Seeing it spelled differently? Tell us.