Allegiant Air vs American Airlines
Cabin and carry-on baggage limits for Allegiant Air and American Airlines, side by side.
⚠ These figures are awaiting manual verification against the airline's official page. Treat them as preliminary.
American Airlines allows the larger carry-on — its longest side is 56 cm, versus 55 cm for Allegiant Air.
Both allow the same largest personal item (45 cm).
Check your bag
Enter your bag's dimensions to see how it fares against both airlines' carry-on limits.
PreliminaryRules marked Preliminary have not yet been manually verified against the airline's official page. They may differ from the airline's actual policy — always confirm with the airline before you fly.
| Airline | Verdict | Fits as | Margin | Checked on | Source |
|---|
Enter your bag's size above to see which airlines accept it.
- Max dimensions
- 25 × 40 × 55 cm
- Total linear
- Not published
- Weight limit
- Not published
- Pieces
- 1
- Max dimensions
- 56 × 36 × 23 cm
- Total linear
- Not published
- Weight limit
- Not published
- Pieces
- 1
Cabin & carry-on allowances
| Allowance | Allegiant Air | American Airlines |
|---|---|---|
| Carry-on | 25 × 40 × 55 cm · Not published · Not published · 1 pc Must fit in the overhead bin unaided Paid option, not included on the base fare Carry-on bag up to 25x40x55 cm. It is a paid option with no published weight limit and is not included on the base fare. | 56 × 36 × 23 cm · Not published · Not published · 1 pc Carry-on bag: 22 x 14 x 9 in (56 x 36 x 23 cm) including handles and wheels. Must fit in the airport sizer. |
| Personal item | 20 × 35 × 45 cm · Not published · Not published · 1 pc Must fit under the seat in front of you Free on all fares One free personal item up to 20x35x45 cm (8x14x18 in); included on all fares. | 45 × 35 × 20 cm · Not published · Not published · 1 pc Personal item: 18 x 14 x 8 in (45 x 35 x 20 cm). Must fit under the seat in front of you. |
Sources
Allegiant Air
Baggage - Allegiant Air (opens in a new window)American Airlines
Carry-on baggage (opens in a new window)The rules behind these figures
Both sides of this comparison come from these rule pages; open one to see its source excerpt.