United Airlines A321neo
UANarrow-body jet
Fleet as reported in the 2025 annual filing · Registry & ages refreshed Sep 1, 2026
- Passengers flown a year
- 9.8M
- 8th-largest United Airlines sub-fleet
- Airframes in the filing
- 51
- Airports served
- 24
- Countries
- 3
- Departures a day
- 159
- Average age
- 1.7 yr
How United Airlines flies its A321neo
Filed traffic dataThe count above is the A321neo airframes United Airlines owns (US DOT Form 41). This is how it actually flew them to 24 airports across 3 countries — the capacity and busiest routes filed with US DOT T-100 over the trailing 12 months.
Departures flown
57,962
May 2026
Seats flown
11,592,400
Passengers
9.8M
Load factor
85.3%
RPM ÷ ASM
Block hours
190,267
United Airlines's busiest A321neo routes
Its busiest A321neo routes over the trailing 12 months, by departures.
Los Angeles – Chicago (LAX–ORD)
3,968 departures · 667,604 passengers · 1,744 mi
84.1%
Load
Chicago – San Francisco (ORD–SFO)
3,808 departures · 666,822 passengers · 1,846 mi
87.6%
Load
3,598 departures · 617,799 passengers · 888 mi
85.9%
Load
3,425 departures · 557,523 passengers · 925 mi
81.4%
Load
3,399 departures · 581,143 passengers · 862 mi
85.5%
Load
Denver – Los Angeles (DEN–LAX)
2,956 departures · 487,892 passengers · 862 mi
82.5%
Load
2,882 departures · 481,226 passengers · 1,005 mi
83.5%
Load
Denver – San Francisco (DEN–SFO)
2,652 departures · 472,415 passengers · 967 mi
89.1%
Load
2,583 departures · 448,512 passengers · 719 mi
86.8%
Load
1,962 departures · 340,863 passengers · 1,605 mi
86.9%
Load
1,899 departures · 341,414 passengers · 1,754 mi
89.9%
Load
1,769 departures · 299,278 passengers · 853 mi
84.6%
Load
1,752 departures · 291,388 passengers · 1,723 mi
83.2%
Load
1,664 departures · 279,842 passengers · 1,514 mi
84.1%
Load
1,632 departures · 285,281 passengers · 1,547 mi
87.4%
Load
The longest and shortest United Airlines A321neo 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
2,072 mi
Chicago – San Juan (ORD–SJU)
5h 1m block · 1,151 departures · 90% load
Flown by United Airlines. A long leg for a narrow-body twin — far enough from a diversion airport that the type carries an ETOPS rating.
Source: US DOT Bureau of Transportation Statistics, T-100 Segment. Data through May 2026.
Where United Airlines flies the A321neo from
United Airlines flies its A321neo from 24 US airports in 3 countries. The busiest, by departures:
- ORD
16,305 departures · 21 routes
29.0%
Share
- DEN
13,699 departures · 21 routes
24.3%
Share
- LAX
3,450 departures · 2 routes
6.1%
Share
- IAH
3,410 departures · 2 routes
6.1%
Share
- SFO
3,222 departures · 2 routes
5.7%
Share
- EWR
2,271 departures · 2 routes
4.0%
Share
- MCO
2,250 departures · 2 routes
4.0%
Share
- SAN
1,756 departures · 2 routes
3.1%
Share
- LAS
1,607 departures · 2 routes
2.9%
Share
- BOS
1,333 departures · 2 routes
2.4%
Share
Where the A321neo sits in United Airlines's fleet
The A321neo is 4.7% of United Airlines's 1,076 tracked mainline aircraft.
Share of United Airlines's mainline fleet · each type a slice · the A321neo is the ringed slice at 4.7%
Other United Airlines types
How old is the United Airlines A321neo 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.
See all 51 A321neo tail numbers in United Airlines's fleet →
Monthly United Airlines A321neo capacity
Frequently asked
How many A321neo does United Airlines have?
United Airlines operates about 51 A321neo aircraft — 51 in service and 0 stored in its latest US DOT fleet filing.
Where does United Airlines fly the A321neo?
United Airlines flies its A321neo to about 24 US airports across 3 countries, its busiest route being LAX–ORD.
How old are United Airlines's A321neo?
United Airlines's A321neo fleet averages about 1.7 yr, ranging from 0.7 yr to 2.9 yr.
What is the longest A321neo route United Airlines flies?
The longest A321neo route United Airlines flew over the trailing 12 months is ORD–SJU, about 2,072 miles.