Arcane Large Day

Osprey Arcane Large Day is a 21L, 0.67kg1.5lb travel backpack measuring 45×30×22cm17.5×12×8.5in. It fits the carry-on size limit of 32 of 36 major airlines and the personal-item limit of 0 of 26. Under the seat, its 22cm8.7in side is over the 20cm7.9in limit at 15 of the 26 airlines it misses. Specs from osprey.com, checked September 2026.

Volume: 21Lfixed size
Weight: 0.67kg1.5lb1.5lb0.67kg
Carry-on: 32/36airlines fit it
Personal item: 0/26under-seat limits

Dimensions: 45×30×22cm17.5×12×8.5in 17.5×12×8.5in45×30×22cm
Price: $78 as of September 2026
Laptop: up to 16"
Opening: Panel access, J-zip large front panel access to main compartment
Warranty: Lifetime Repairs or replaces any product for any reason, including damage and wear.
Compartments: n/a
Bottle pockets: 1

Organizer
Water-resistant

Material: bluesign approved 100% recycled 480D polyester with PFAS-free DWR, 200D recycled polyester lining, 540D recycled polyester bottom

Padded 16 in laptop sleeve plus a document or tablet sleeve
Quick-release aluminum security hook on the harness
Scratch-free front zip pocket, stretch shoulder strap sleeve for transit cards

Last checked: 2026-09. Prices and specs may have changed.

Does the Osprey Arcane Large Day fit airline carry-on limits?

Draw against

Too bigToo big on Ryanair. cabin bag 55×40×20cm21.5×15.5×8in · under the seat 40×30×20cm15.5×12×8in. Bag in cminches, turned to fit.

Flag as a tight fit undercm spare

Airline	Carry-on	Personal item	Cabin-bag weight
Air Arabia	Too bigToo big	Too bigToo big	6.3kg to pack (of 7kg)13.9lb to pack (of 15.4lb)
Air CanadaCabin bag not on every fare	Tight fit (1cm spare)Tight fit (0.4in spare)	Too bigToo big	No published limitNo published limit
Air FranceCabin bag not on every fare	FitsFits	Too bigToo big	11.3kg to pack (of 12kg shared with personal item)24.9lb to pack (of 26.5lb shared with personal item)
Air India	Too bigToo big	No published limit	6.3kg to pack (of 7kg)13.9lb to pack (of 15.4lb)
AirAsia	Tight fit (1cm spare)Tight fit (0.4in spare)	Too bigToo big	6.3kg to pack (of 7kg shared with personal item)13.9lb to pack (of 15.4lb shared with personal item)
Alaska Airlines	Tight fit (1cm spare)Tight fit (0.4in spare)	No published limit	No published limitNo published limit
Allegiant AirCabin bag not on every fare	FitsFits	Too bigToo big	No published limitNo published limit
American Airlines	Tight fit (1cm spare)Tight fit (0.4in spare)	Too bigToo big	No published limitNo published limit
ANA (All Nippon Airways)	FitsFits	Too bigToo big	9.3kg to pack (of 10kg shared with personal item)20.5lb to pack (of 22lb shared with personal item)
AviancaCabin bag not on every fare	FitsFits	No published limit	9.3kg to pack (of 10kg)20.5lb to pack (of 22lb)
British Airways	FitsFits	Too bigToo big	No published limitNo published limit
Cebu Pacific	Tight fit (1cm spare)Tight fit (0.4in spare)	Too bigToo big	9.3kg to pack (of 10kg shared with personal item)20.5lb to pack (of 22lb shared with personal item)
Delta Air Lines	Tight fit (1cm spare)Tight fit (0.4in spare)	No published limit	No published limitNo published limit
easyJetCabin bag not on every fare	FitsFits	Too bigToo big	14.3kg to pack (of 15kg)31.5lb to pack (of 33.1lb)
Emirates	Tight fit (no spare)Tight fit (no spare)	No published limit	6.3kg to pack (of 7kg)13.9lb to pack (of 15.4lb)
Frontier AirlinesCabin bag not on every fare	FitsFits	Too bigToo big	15.2kg to pack (of 15.9kg)33.5lb to pack (of 35.1lb)
Gol Linhas Aereas	FitsFits	No published limit	9.3kg to pack (of 10kg)20.5lb to pack (of 22lb)
IndiGo	FitsFits	No published limit	6.3kg to pack (of 7kg)13.9lb to pack (of 15.4lb)
JetBlue Airways	Tight fit (1cm spare)Tight fit (0.4in spare)	Too bigToo big	No published limitNo published limit
KLMCabin bag not on every fare	FitsFits	Too bigToo big	11.3kg to pack (of 12kg shared with personal item)24.9lb to pack (of 26.5lb shared with personal item)
LATAM Airlines	FitsFits	Too bigToo big	11.3kg to pack (of 12kg)24.9lb to pack (of 26.5lb)
LufthansaCabin bag not on every fare	Tight fit (1cm spare)Tight fit (0.4in spare)	Too bigToo big	7.3kg to pack (of 8kg)16.1lb to pack (of 17.6lb)
Norwegian Air ShuttleCabin bag not on every fare	Tight fit (1cm spare)Tight fit (0.4in spare)	Too bigToo big	9.3kg to pack (of 10kg shared with personal item)20.5lb to pack (of 22lb shared with personal item)
Qantas	Tight fit (1cm spare)Tight fit (0.4in spare)	No published limit	6.3kg to pack (of 7kg shared with personal item)13.9lb to pack (of 15.4lb shared with personal item)
Qatar Airways	FitsFits	No published limit	6.3kg to pack (of 7kg)13.9lb to pack (of 15.4lb)
RyanairCabin bag not on every fare	Too bigToo big	Too bigToo big	9.3kg to pack (of 10kg)20.5lb to pack (of 22lb)
SAS	Tight fit (1cm spare)Tight fit (0.4in spare)	Too bigToo big	7.3kg to pack (of 8kg)16.1lb to pack (of 17.6lb)
Singapore Airlines	FitsFits	Too bigToo big	6.3kg to pack (of 7kg)13.9lb to pack (of 15.4lb)
Southwest Airlines	FitsFits	No published limit	No published limitNo published limit
Turkish Airlines	Tight fit (1cm spare)Tight fit (0.4in spare)	Too bigToo big	7.3kg to pack (of 8kg)16.1lb to pack (of 17.6lb)
United AirlinesCabin bag not on every fare	Tight fit (1cm spare)Tight fit (0.4in spare)	Too bigToo big	No published limitNo published limit
Vietjet Air	Tight fit (1cm spare)Tight fit (0.4in spare)	Too bigToo big	6.3kg to pack (of 7kg shared with personal item)13.9lb to pack (of 15.4lb shared with personal item)
VolarisCabin bag not on every fare	FitsFits	Too bigToo big	9.3kg to pack (of 10kg)20.5lb to pack (of 22lb)
VuelingCabin bag not on every fare	Too bigToo big	Too bigToo big	9.3kg to pack (of 10kg)20.5lb to pack (of 22lb)
WestJetCabin bag not on every fare	Tight fit (1cm spare)Tight fit (0.4in spare)	Too bigToo big	No published limitNo published limit
Wizz AirCabin bag not on every fare	Tight fit (1cm spare)Tight fit (0.4in spare)	Too bigToo big	9.3kg to pack (of 10kg)20.5lb to pack (of 22lb)

Compared in any orientation against each airline's published size limit. A tight fit has under 2cm to spare, so a packed soft bag may not pass a sizer. Set it to 0 to turn the warning off. Weight is what the airline allows in the cabin minus this bag's empty 0.67kg1.5lb. Limits and sources. Own a different bag? Check it against every airline.