Allegiant Air vs JetBlue: fleets and facts compared
Allegiant Air (United States) and JetBlue (United States) side by side: fleet size, main aircraft type, founding year, hubs and status, each from our database with its source and date. Both are among the larger low-cost airlines in North America in our directory.
- 124Allegiant Air fleet, as of 30 June 2026
- 296JetBlue fleet, as of 30 June 2026
- United States · Hubs LAS · AZA · SFB +3 · founded 1998Active
- United States · Hubs JFK · BOS · FLL +3 · founded 2000Active
At a glance
Each fact from our database. A grey tint marks the larger value in a row; it is not a verdict.
Data last updated: Allegiant Air · JetBlue
Fleet breakdown
Aircraft types as each source reports them, largest first.
Allegiant Air fleet3 types
JetBlue fleet3 types
Baggage & fees compared
Human-reviewed summaries. Rules change, so check the airline's own site before you book.
Allegiant Air
Allegiant's Optional Services & Fees page sets out the following limits. Sizes and weights only; carry-on and checked bags are charged for, and charges vary by route.
- Personal item: one, free of charge, up to 8 x 14 x 18 in (20 x 35 x 45 cm).
- Carry-on bag (paid): one, up to 10 x 16 x 22 in (25 x 40 x 55 cm). No weight limit is stated.
- Checked bags (paid): up to four per passenger, each up to 80 in (203 cm) in combined length, width and height and 50 lb (22 kg). Bags of 51 to 100 lb (23.1 to 45.4 kg) are treated as overweight.
- Measurements include wheels, handles, pockets and decorations.
- Car seats, strollers, mobility aids and assistive devices are not charged as baggage; a car seat or stroller may need to be checked at the gate.
Source: Allegiant Air, "Optional Services & Fees" (baggage section), read on 24 October 2026.
Source: airline baggage page, read 2026-10-24.
JetBlue
JetBlue's help pages list the following limits. Sizes and weights only; checked-bag charges depend on fare and route.
- Carry-on bag: one per customer on all fares, up to 22 x 14 x 9 inches (55.88 x 35.56 x 22.86 cm) including wheels and handles. It can go in the overhead bin or under the seat. There is no weight limit, but you must be able to lift it into the bin.
- Personal item: one per customer, such as a purse, small backpack, briefcase or laptop, up to 17 x 13 x 8 inches (43.2 x 33 x 20.32 cm), stowed under the seat in front.
- Not counted towards the carry-on limit: assistive devices, a reasonable amount of duty-free goods, one diaper bag for a lap infant, and items such as a coat, umbrella or infant car seat.
- Checked bags: up to 62 inches (157.48 cm) in total dimensions and 50 lb (22.68 kg). Bags of 63 to 80 inches, or 51 to 99 lb, are treated as oversized or overweight. Bags over 80 inches or 99 lb are not accepted. Some destinations, such as Ecuador, have their own limits.
There are no hanging closets for garment bags on board. Source: JetBlue Help, "Carry-On Bags" and "Checked Bags", read on 24 October 2026.
Source: airline baggage page, read 2026-10-24.
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Frequently asked
Which has the bigger fleet, Allegiant Air or JetBlue?
JetBlue has the larger published fleet. Allegiant Air 124 aircraft (Airline report, as of 30 June 2026); JetBlue 296 aircraft (Airline report, as of 30 June 2026).
Is Allegiant Air cheaper than JetBlue?
Fares change by route, date and demand, so neither airline is always cheaper. This page compares fleets and published facts, not fares. To check prices for a trip, search both airlines for the same dates.
Which airline is older?
Allegiant Air was founded in 1998, JetBlue in 2000.
Do Allegiant Air and JetBlue share a hub airport?
Not in our data. Allegiant Air lists LAS, AZA, SFB, PIE, PGD and BNA; JetBlue lists JFK, BOS, FLL, MCO, SJU and LAX.
Are both airlines currently flying?
Yes. Both are active in our directory.