The Savvy Packer
Airline vs airline · Checked October 29, 2026

Allegiant vs Delta: baggage rules compared

Carry-on, personal item, checked bag and check-in deadlines for Allegiant Air and Delta Air Lines, from each airline's own website.

The short version

AllegiantDelta
Carry-on size22 x 16 x 10 in / 55 x 40 x 25 cm22 x 14 x 9 in / 56 x 35 x 23 cm
Carry-on weightNo published limitNo published limit
Carry-on on the cheapest farePaid extraIncluded
Personal item18 x 14 x 8 in / 45 x 35 x 20 cmNo size published, must fit under the seat
Checked bag size203 cm (80 in) in total157 cm (62 in) in total
Checked bag weight22 kg (50 lb) per bag in economy, 45 kg (100 lb) max for any bag23 kg (50 lb) per bag in economy, 45 kg (100 lb) max for any bag
Online check-in opens24 hours before24 hours before
Bag drop closes45 min before45 min before (domestic / short-haul), 60 min before (international / long-haul)
At the gate by30 min before15 min before
Power banksStandard 100 Wh / 160 Wh rules2 (up to 100 Wh each); in-flight use: allowed except taxi, take-off and landing; no recharging it on board
Carry-on that fits both
21.7 x 13.8 x 9.1 in (55 x 35 x 23 cm)
The smallest limit on each side
Personal item that fits both
Under the seat
One airline doesn't publish a size

Flying both on one trip? The trip checker shows which airline sets each limit, and the gate card keeps the rules on your phone.

Will your bag fit?

Measure with wheels, handles and pockets included. The order of the sides doesn't matter.

Questions people ask

Is the Allegiant carry-on bigger than Delta?

Allegiant's carry-on limit is roomier (22 x 16 x 10 in) than Delta's (22 x 14 x 9 in), about 22% more space.

What carry-on size fits both Allegiant and Delta?

A bag no bigger than 21.7 x 13.8 x 9.1 in (55 x 35 x 23 cm) fits both carry-on limits. Check weight limits too.

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