Airbus A321
Narrow-body jet
- Passengers flown a year
- 91.4M
- 5th-most common US type
- Airframes in US fleets
- 470
- US operators
- 6
- Airports served
- 130
- Countries
- 30
- Load factor
- 83.5%
Where the Airbus A321 flies
Filed traffic dataThe operators table below counts the registered Airbus A321 airframes each airline owns (US DOT Form 41). These figures are how much the type actually flew — departures, seats, and passengers filed with US DOT T-100 over the trailing 12 months, not fleet size.
Departures flown
584,446
May 2026
Seats flown
111,212,855
Passengers
91.4M
Load factor
83.5%
RPM ÷ ASM
Block hours
1,701,348
Busiest Airbus A321 routes
The Airbus A321's busiest US routes over the trailing 12 months, by departures.
New York – Los Angeles (JFK–LAX)
10,196 departures · 1,136,162 passengers · 2,475 mi
86.2%
Load
9,495 departures · 1,486,972 passengers · 762 mi
82.3%
Load
Atlanta – West Palm Beach (ATL–PBI)
7,366 departures · 1,153,897 passengers · 545 mi
82.5%
Load
6,865 departures · 1,076,923 passengers · 468 mi
82.2%
Load
Atlanta – Dallas-Fort Worth (ATL–DFW)
6,641 departures · 1,009,607 passengers · 731 mi
79.0%
Load
Dallas-Fort Worth – Orlando (DFW–MCO)
6,022 departures · 1,017,158 passengers · 985 mi
88.0%
Load
New York – San Francisco (JFK–SFO)
5,568 departures · 638,333 passengers · 2,586 mi
87.6%
Load
Atlanta – Fort Lauderdale (ATL–FLL)
5,496 departures · 923,609 passengers · 581 mi
85.3%
Load
5,452 departures · 845,359 passengers · 813 mi
81.5%
Load
Charlotte – Dallas-Fort Worth (CLT–DFW)
5,435 departures · 857,368 passengers · 936 mi
82.8%
Load
5,390 departures · 913,856 passengers · 946 mi
89.2%
Load
Dallas-Fort Worth – Los Angeles (DFW–LAX)
5,321 departures · 867,427 passengers · 1,235 mi
85.2%
Load
5,314 departures · 803,805 passengers · 507 mi
79.5%
Load
Dallas-Fort Worth – Las Vegas (DFW–LAS)
5,248 departures · 868,630 passengers · 1,055 mi
85.8%
Load
Dallas-Fort Worth – San Diego (DFW–SAN)
5,239 departures · 872,530 passengers · 1,171 mi
87.5%
Load
The longest and shortest Airbus A321 flights
The two ends of the type's working envelope, from the routes it actually flew — not what the airframe is certified to do.
Longest route flown
4,073 mi
Copenhagen – Dulles (CPH–IAD)
155 departures · 82% load
Flown by Scandinavian Airlines Sys. A long leg for a narrow-body twin — far enough from a diversion airport that the type carries an ETOPS rating.
Shortest route flown
130 mi
Charlotte – Raleigh/Durham (CLT–RDU)
59m block · 4,524 departures · 73% load
Flown by American Airlines. About 59m of block time, most of it connecting traffic feeding the hub.
Source: US DOT Bureau of Transportation Statistics, T-100 Segment. Data through May 2026.
Airports the Airbus A321 serves
The Airbus A321 serves 130 US airports across 30 countries. The busiest, by departures:
- ATL
59,863 departures · 63 routes · 7 operators
10.7%
Share
- DFW
58,739 departures · 71 routes · 9 operators
10.5%
Share
- CLT
46,638 departures · 65 routes · 7 operators
8.3%
Share
- MCO
22,952 departures · 36 routes · 12 operators
4.1%
Share
- LAX
21,235 departures · 23 routes · 10 operators
3.8%
Share
- BOS
21,149 departures · 31 routes · 10 operators
3.8%
Share
- JFK
21,147 departures · 39 routes · 10 operators
3.8%
Share
- FLL
20,503 departures · 44 routes · 10 operators
3.7%
Share
- LGA
15,954 departures · 13 routes · 7 operators
2.9%
Share
- PHX
15,316 departures · 29 routes · 9 operators
2.7%
Share
Who flies the Airbus A321
Two questions in one table. Airframes is what each carrier reported owning in its US DOT fleet filing; seats flown is how much of the type it actually operated. They can rank differently, and the gap is the interesting part.
| Operator | ||||
|---|---|---|---|---|
| American AirlinesAA | 223 | 49.1M | 44.2% | 13.8 yr |
| Delta Air LinesDL | 127 | 34.1M | 30.7% | 4.3 yr |
| JetBlue AirwaysB6 | 63 | 10.2M | 9.2% | 10.1 yr |
| Spirit AirlinesNK | 29 | 6.4M | 5.7% | 9.6 yr |
| Frontier AirlinesF9 | 21 | 5.5M | 5.0% | 9.8 yr |
| Global Crossing AirlinesGCA | 7 | 615.8K | 0.6% | 3.3 yr |
Airframes are the latest Form 41 filing; seats flown and share are US DOT T-100 for the type's most-flown operators — a dash means a carrier isn't among them (a freighter operator, or one that flies fewer).
How old is the US Airbus A321 fleet?
Age is measured from each airframe's delivery date — the FAA airworthiness date where available, otherwise the manufacturer's. Bars share a fixed scale across every fleet page, so two carriers can be compared directly.
Monthly Airbus A321 capacity
How common is the Airbus A321?
The Airbus A321 makes up 5.4% of all tracked US airline aircraft — the 5th-most common type in service.
Share of all tracked US airline aircraft · top 12 types shown · 119 others hold the remaining 37.6% · Airbus A321 is the ringed slice at 5.4%
- 1
872 aircraft
10.0%
Share
- 2
708 aircraft
8.1%
Share
- 3
526 aircraft
6.1%
Share
- 4
481 aircraft
5.5%
Share
- 5
Airbus A321this type
470 aircraft
5.4%
Share
Frequently asked
How many Airbus A321 are in US airline fleets?
US carriers operate about 470 Airbus A321 aircraft across 6 airlines, 467 of them in service.
Which airline operates the most Airbus A321?
American Airlines operates the largest US Airbus A321 fleet, with about 223 aircraft.
What is the busiest Airbus A321 route?
The busiest US route flown by the Airbus A321 is JFK–LAX, with about 10,196 departures over the trailing 12 months.
Which airline flies the Airbus A321 the most?
American Airlines flies the most Airbus A321 capacity in US service, with about 49.1M seats flown over the trailing 12 months.
How many passengers does the Airbus A321 carry?
The Airbus A321 carried about 91.4M passengers on US routes over the trailing 12 months.
What is the longest Airbus A321 flight?
The longest US route flown by the Airbus A321 is CPH–IAD, about 4,073 miles, flown by Scandinavian Airlines Sys.
How many airports does the Airbus A321 serve?
The Airbus A321 serves about 130 US airports across 30 countries, led by Atlanta (ATL).
How old is the average Airbus A321?
The US Airbus A321 fleet averages about 10.1 yr.
How common is the Airbus A321 in US fleets?
The Airbus A321 is the 5th-most common aircraft type in tracked US airline fleets, by number of aircraft.
Trip reports on YouTube
Fliers post trip reports from Airbus A321 flights to YouTube. These three were matched automatically from public YouTube listings — The Frequent Flier does not host, review, or endorse them.
OnBoardHD
TRIP REPORT | Biggest Storm Ever Seen! TOGA!! | WIZZAIR A321 | Vienna to Heraklion
20:45 · Aug 2021
The Flip Flop Traveller
Truly Fantastic VIETNAM AIRLINES ✦ 787-10 & A321 Business Class ✦ Seoul to Bangkok via SGN @tfft
32:41 · Mar 2026
Source: YouTube. Titles, thumbnails, and channel names come from YouTube. Playing a video loads the YouTube player, and using it means you agree to the YouTube Terms of Service; the Google Privacy Policy applies.