Does the Osprey Daylite Plus 20 fit British Airways's cabin bag limit?

Yes. The Osprey Daylite Plus 20 is within the British Airways cabin bag limit of 56 × 45 × 25 cm (22 × 18 × 10 in) on every side: height +8.0 cm, width +17.0 cm, depth +1.0 cm.

British Airways limit 56 × 45 × 25 cm (22 × 18 × 10 in) · British Airways baggage page, checked 2026-10-26Osprey Daylite Plus 20 48 × 28 × 24 cm (18.9 × 11.02 × 9.45 in) · maker’s page

Osprey Daylite Plus 20 in the British Airways sizer

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FRONTSIDE45 cm wide25 cm deep56 cm tall
British Airways cabin bag limitOsprey Daylite Plus 20, as listedDrawn to scale
FRONTSIDE30 cm wide15 cm deep40 cm tall
British Airways · Handbag

Osprey Daylite Plus 20

Too bigNo. The Osprey Daylite Plus 20 is larger than the British Airways handbag limit of 40 × 30 × 15 cm (16 × 12 × 6 in) in height and depth: height −8.0 cm, width +2.0 cm, depth −9.0 cm.
LimitBagRoomHeight, cm4048−8.0 cmWidth, cm3028+2.0 cmDepth, cm1524−9.0 cmWeight, kgnone0.585—

Same size in every cabin.

Other bags for British Airways

Daylite Plus 20 on other airlines

AirlineVerdict
DeltaFits if not packed full
UnitedFits if not packed full
AmericanFits if not packed full
SouthwestFits
JetBlueFits if not packed full
SpiritFits
FrontierFits
AllegiantFits
All 18 airlines for the Daylite Plus 20

Questions

Is the Osprey Daylite Plus 20 allowed as British Airways cabin bag?

Yes. The Osprey Daylite Plus 20 is within the British Airways cabin bag limit of 56 × 45 × 25 cm (22 × 18 × 10 in) on every side: height +8.0 cm, width +17.0 cm, depth +1.0 cm.

Is the Osprey Daylite Plus 20 allowed as British Airways handbag?

No. The Osprey Daylite Plus 20 is larger than the British Airways handbag limit of 40 × 30 × 15 cm (16 × 12 × 6 in) in height and depth: height −8.0 cm, width +2.0 cm, depth −9.0 cm.