Knack Bags Series 2 Small Expandable Backpack × Delta Air Lines personal item
No.
Bag 17 x 12.5 x 5 in · Rule 15.7 x 11.8 x 7.9 in · medium confidence
Bag reviewed 2026-05-29 · Rule reviewed 2026-05-28
Fit proof
Height
Over 1.3 in
Width
Over 0.7 in
Depth
+2.9 in
Rendered to scale from the reviewed dimensions above. Packed shape and gate enforcement can still change the outcome.
Why this answer
Knack Bags Series 2 Small Expandable Backpack is larger than the estimated personal-item dimensions. Pick a smaller alternative for this airline rule.
The selected rule is 15.7 x 11.8 x 7.9 in and the bag record is 17 x 12.5 x 5 in.
Next step
Knack Bags Series 2 Small Expandable Backpack is not a strong match for Delta Air Lines's personal item rule. Use the alternatives below first, then review merchant dimensions before buying.
Fits this rule with 0 inches of tightest margin.
Exact limit at the limit on depth
15.4 x 11.6 x 7.9 in
Fits this rule with 0.8 inches of tightest margin.
0.8 in spare on width, the tightest side
14 x 11 x 5.5 in
Borderline option; its tightest positive margin is 0.9 inches, but at least one axis is over.
0.3 in over on height
16 x 12 x 7 in