Reviewed baggage rules
Discover Airlines personal item and carry-on size rulesStart with the reviewed outside limit, then keep fare, route, aircraft, and enforcement caveats beside the rule they qualify.
15.7 x 11.8 x 5.9 in
One personal item 40 x 30 x 15 cm across Economy, Premium Economy, and Business.
Store personal items such as laptop bags, shopping bags, and handbags under the seat in front.
21.7 x 15.7 x 9.1 in
Other published variants
2 items in this context; Business allows 2 carry-on items; Discover notes that for flights from the USA the second carry-on item must be checked in.
Carry-on baggage that is too big or too heavy may be taken at the gate and loaded into the cargo hold for a fee.
Each card shows the calculated fit, tightest margin, and useful product facts.
0.4 in spare against this rule. Ranked first for this rule on fit margin, category, and source confidence.
16 x 12 x 7 in
1.1 in over against this rule. Use conservatively because this rule or bag is missing complete dimensions.
16.5 x 11.5 x 6 in
0.8 in over against this rule. Borderline option; its tightest positive margin is 0.3 inches, but at least one axis is over.
15.8 x 11.5 x 5.5 in
0.1 in over against this rule. Borderline option; its tightest positive margin is 0.3 inches, but at least one axis is over.
16 x 12 x 6 in
0.3 in over against this rule. Use conservatively because this rule or bag is missing complete dimensions.
15.8 x 12.2 x 5.5 in
0.4 in over against this rule. Borderline option; its tightest positive margin is 0.4 inches, but at least one axis is over.
Discover Airlines's reviewed published personal-item rule lists 15.7 x 11.8 x 5.9 in. One personal item 40 x 30 x 15 cm across Economy, Premium Economy, and Business. Source last checked 2026-06-15.
Discover Airlines's reviewed published carry-on rule lists 21.7 x 15.7 x 9.1 in. 2 items in this context; Business allows 2 carry-on items; Discover notes that for flights from the USA the second carry-on item must be checked in. Source last checked 2026-06-15.
No. This page compares reviewed bag dimensions against reviewed airline rules and does not guarantee gate acceptance. Store personal items such as laptop bags, shopping bags, and handbags under the seat in front.