Canada Post vs UPS

Canada Post and UPS compared for parcels within Canada: delivery times and guarantees, PO boxes, size limits, dimensional weight and claims.

Checked against both carriers’ own pages on October 11, 2026

Short answer. Canada Post delivers to PO boxes and suits light parcels that can take a few days, with Regular Parcel billed at the forgiving 166 divisor. UPS takes parcels up to 150 lb, has next-morning delivery by 10:30 a.m., and delivers ground parcels to homes on Saturdays in four metro areas. Canada Post is joining ProtonShip quotes soon.

Canada Post and UPS side by side

Topic	Canada Post	UPS
Services	Regular Parcel, Expedited Parcel, Xpresspost, Priority	Standard, Expedited, Express Saver, Express
Fastest service	Priority, its fastest service	Express, by 10:30 am
Heaviest parcel	66 lb	150 lb
Longest side	78 in	108 in
Length + girth	118 in	165 in
Dimensional weight	L × W × H ÷ 166 Regular Parcel · ÷ 139 others	L × W × H ÷ 139 Standard · ÷ 115 Express
Signature on delivery	Available	Available
Weekends	Monday to Friday. Weekend delivery is starting in parts of Toronto, Ottawa and Montreal, on a day Canada Post picks	UPS Standard delivers to homes on Saturdays in major metro areas, and Express can add Saturday delivery; no Sundays
PO boxes	Delivers to PO boxes and general delivery	Can't deliver to a PO box
Rural addresses	Every address in Canada, it says, rural mailboxes included	Rural routes accepted with the receiver's full name and phone number
Territories	Served, with northern and remote points taking 5 to 14 business days	Express and Express Saver only
Claim deadline	90 days after shipping, for loss or damage	60 days after delivery for loss or damage, or after pickup if never delivered
Who files a claim	The sender only, and refunds go to the account that paid	Anyone can open one; UPS pays the account holder
Drop-off	Post offices, plus driver pickup for Solutions for Small Business accounts	The UPS Store, UPS Access Points and customer centres, plus pickups
Good for	PO boxes, rural mailboxes and small, light parcels	Next-morning delivery by a set time, and parcels up to 150 lb

Choose Canada Post when

The address is a PO box or general delivery, which UPS can't deliver to.
The parcel is light and can take a few days. Regular Parcel divides by 166, so a bulky box bills less weight than at UPS's 139.
It's going to the territories and isn't urgent. Canada Post's slower services deliver there, and UPS sends only Express and Express Saver.
The recipient is on a rural mail route, where Canada Post leaves parcels in the mailbox or brings them to the door.

Choose UPS when

The parcel is over 66 lb or longer than 78 inches. UPS takes up to 150 lb and 108 inches.
It must arrive by a set time. UPS Express commits to 10:30 a.m. the next business day and Express Saver to 3 p.m. at businesses, and Canada Post publishes no time of day.
It's a ground parcel to a home in a major metropolitan area, such as Greater Vancouver, Calgary, Montreal or Toronto, where UPS Standard can arrive on a Saturday.

Canada Post is joining ProtonShip quotes soon. Until then, a ProtonShip quote shows UPS next to UniUni, Purolator and FedEx.

Delivery times and guarantees

UPS publishes a time of day for its faster services. UPS Express arrives by 10:30 a.m. the next business day to most metropolitan areas, Express Saver by 3 p.m. at business addresses, and Expedited on the second business day. Canada Post publishes no time of day for any service; it delivers to homes from 9 a.m. until as late as 8 p.m., and to businesses from 9 a.m. to 5 p.m.

Counted in business days between major urban areas, Canada Post’s Priority is next day at every distance, Xpresspost next day locally and regionally and two days nationally, Expedited Parcel two to eight days nationally, and Regular Parcel four to ten. UPS Standard typically takes one to seven business days.

Canada Post’s On-Time Delivery Guarantee covers Priority, Xpresspost and Expedited Parcel against its published standards, but not Regular Parcel or parcels to or from air stage offices. UPS guarantees Express and Express Saver, though when we checked on October 11, 2026, its holiday shipping page said the guarantee was suspended for all Canadian domestic services.

Size and weight

UPS takes much bigger parcels: up to 150 lb, 108 inches long and 165 inches in length plus girth. Canada Post stops at 30 kg (66 lb), 2 m (78 in) on the longest side and 3 m (118 in) in length plus girth.

For a light, bulky box, Canada Post’s Regular Parcel is the most forgiving, dividing length × width × height in inches by 166. Canada Post’s faster services and UPS Standard divide by 139, and UPS’s air services, Expedited, Express Saver and Express, by 115. Here is a 16 × 12 × 8 inch box that weighs 3 lb:

Service	Divisor	Dimensional weight
Canada Post Regular Parcel	166	9.3 lb
Canada Post Priority, Xpresspost and Expedited Parcel	139	11.1 lb
UPS Standard	139	11.1 lb
UPS Expedited, Express Saver and Express	115	13.4 lb

A carrier bills the higher of the scale weight and the dimensional weight, rounded up.

Try your own box in the parcel size calculator.

PO boxes and rural addresses

Canada Post delivers to PO boxes and general delivery, and UPS can’t deliver to a PO box. Canada Post says it reaches every address in Canada, leaving parcels in rural mailboxes or trying the door when it’s within 500 m of the route. UPS accepts a rural route address when the receiver’s full name and phone number are on the label.

Canada Post delivers to the territories, with northern and remote points taking 5 to 14 business days depending on the service. UPS serves Yukon, the Northwest Territories and Nunavut with Express and Express Saver only. UPS also charges more for homes and for remote postal codes; Canada Post lists no separate charge for either.

Weekends

Both now deliver some parcels to homes on weekends. UPS Standard delivers on Saturdays automatically in major metropolitan areas; its 2024 map named Greater Vancouver, Calgary, Montreal and Laval, and Toronto. UPS doesn’t deliver on Sundays. Canada Post is starting weekend delivery in select areas of Toronto, Ottawa and Montreal, on a Saturday or a Sunday that it picks for each area, with Calgary, Edmonton and Vancouver planned for 2027. UPS’s Saturday option for its express services isn’t sold through ProtonShip yet. See which carriers deliver on weekends.

Claims

Canada Post gives 90 days after shipping to claim for loss or damage, and it pays only the sender. UPS gives 60 days after delivery, or after pickup if the parcel never arrived, and pays the shipper of record, which is the account the label was made on.

Fragile goods are hard to claim with either. Canada Post accepts no damage claims for ceramics, glass, porcelain or perishables, and its Regular Parcel includes no coverage. UPS takes glass, ceramics and perishables only with its pre-approval, at the shipper’s risk. With a ProtonShip label, you claim through ProtonShip. See how to file a UPS claim and claim deadlines for every carrier.

Drop-off and pickup

Canada Post takes parcels at post offices. Solutions for Small Business accounts can book a driver pickup on business days, and households at eligible addresses can book Home Pickup in the Canada Post app. UPS drop-off is free at The UPS Store, UPS Access Points, customer centres and Authorized Shipping Outlets, and Access Points often keep evening and weekend hours.

Which costs less?

Neither is cheaper every time. Canada Post’s Regular Parcel bills a light, bulky box at the least weight and lists no separate charge for homes, while UPS charges more for homes and remote postal codes. UPS is the only one of the two for a parcel over 66 lb or a delivery by a set time. Distance and speed move both prices.

Once Canada Post joins ProtonShip quotes, one quote will price both for your parcel, with fuel and the surcharges known at booking already included. Until then, a quote compares UPS with UniUni, Purolator and FedEx.

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Questions about Canada Post and UPS

Does UPS deliver to PO boxes in Canada?

No. UPS can't deliver to a PO box. Canada Post delivers to PO boxes and general delivery.

Is UPS faster than Canada Post?

For a set time, yes. UPS Express arrives by 10:30 a.m. the next business day to most metropolitan areas, and Canada Post publishes no time of day. Canada Post's Priority is next day between major urban areas, and its Regular Parcel takes four to ten business days nationally.

Which takes bigger boxes, Canada Post or UPS?

UPS: up to 150 lb, 108 inches long and 165 inches in length plus girth. Canada Post takes up to 30 kg (66 lb), 2 m (78 in) on the longest side and 3 m (118 in) in length plus girth.

Which is cheaper, Canada Post or UPS?

It depends on the parcel. Canada Post's Regular Parcel bills light, bulky boxes at the least weight and lists no separate charge for homes, while UPS charges more for homes. One ProtonShip quote will show both once Canada Post joins.

Sources, checked October 11, 2026

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