Air Canada vs WestJet Cabin & Checked Baggage Rules (2026)
Air Canada carry-on limit is 21.5×15.5×9 in while WestJet is 22×14×9 in. Compare Canadian baggage fees and allowances verified for 2026 flights.
The Decision Verdict (40–60 Words)
Air Canada and WestJet both permit one free carry-on bag plus one personal item on standard economy tickets with no cabin weight limits. However, Air Canada limits carry-ons to 21.5 × 15.5 × 9 inches (55 × 40 × 23 cm), whereas WestJet enforces the international standard 22 × 14 × 9 inches (56 × 36 × 23 cm).
Detailed Comparison Table
| Comparison Dimension | Air Canada Air Canada | WestJet WestJet |
|---|---|---|
| Carry-On Dimensions Limit Differs by Rule | 21.5 × 15.5 × 9 in (55 × 40 × 23 cm) Source (Air Canada) | 22 × 14 × 9 in (56 × 36 × 23 cm) Source (WestJet) |
| First Checked Bag Fee (Domestic Canada) Identical Standard |
*Airline baggage fees and dimensional allowances are verified snapshots as of 2026-09-03. Fees vary dynamically by route, fare class, and booking window. Always check with your operating carrier before departure.
Where Rules Are 100% Identical
To prevent false assumptions, the following standards are shared without difference between all compared parties:
- No carry-on weight limit (must be able to lift into overhead bin unaided)
- Checked bag weight ceiling of 50 lbs (23 kg)
Key Rule Distinctions Explained
What is the rule for carry-on dimensions limit?
Air Canada allows slightly wider bags (15.5 in) but restricts height to 21.5 in. WestJet conforms to standard 22 × 14 in sizing. Both include wheels and handles.
What is the rule for first checked bag fee (domestic canada)?
Both Canadian carriers charge CAD $35–$42 plus GST/HST for the first checked bag on domestic standard economy itineraries. Note: fees vary by fare class and route.
Traveler Recommendation & Decision Summary
Measure your rollaboard carefully: bags wider than 14 inches fit Air Canada sizers but may be rejected at WestJet boarding gates.
Check Your Exact Items
Use our free calculators to verify watt-hours or liquids volume for your flight.
Frequently Asked Questions
Does Air Canada or WestJet weigh carry-on luggage?
Neither Air Canada nor WestJet enforces a strict weight limit on carry-on bags for standard economy flights. However, your cabin bag must fit completely inside the airport metal sizing template, and you must be physically able to lift it into the overhead bin unassisted.
Official Primary Sources & Citations
- Air Canada Baggage Policy Verified: 2026-09-03
- WestJet Baggage Guidelines Verified: 2026-09-03