United Airlines A320
UANarrow-body jet
Fleet as reported in the 2025 annual filing · Registry & ages refreshed Sep 1, 2026

- Passengers flown a year
- 9.5M
- 6th-largest United Airlines sub-fleet
- Airframes in the filing
- 68
- Airports served
- 94
- Countries
- 3
- Departures a day
- 219
- Average age
- 25.9 yr
How United Airlines flies its A320
Filed traffic dataThe count above is the A320 airframes United Airlines owns (US DOT Form 41). This is how it actually flew them to 94 airports across 3 countries — the capacity and busiest routes filed with US DOT T-100 over the trailing 12 months.
Departures flown
80,095
May 2026
Seats flown
12,014,250
Passengers
9.5M
Load factor
80.4%
RPM ÷ ASM
Block hours
188,977
United Airlines's busiest A320 routes
Its busiest A320 routes over the trailing 12 months, by departures.
1,774 departures · 217,234 passengers · 406 mi
81.6%
Load
Houston – Mexico City (IAH–MEX)
1,565 departures · 186,045 passengers · 763 mi
79.3%
Load
Mexico City – San Francisco (MEX–SFO)
1,308 departures · 148,530 passengers · 1,881 mi
75.7%
Load
Washington – Chicago (DCA–ORD)
1,272 departures · 134,308 passengers · 612 mi
70.4%
Load
Minneapolis – Chicago (MSP–ORD)
1,183 departures · 142,502 passengers · 334 mi
80.3%
Load
Seattle – San Francisco (SEA–SFO)
1,131 departures · 138,262 passengers · 679 mi
81.5%
Load
Washington – Houston (DCA–IAH)
1,036 departures · 112,015 passengers · 1,208 mi
72.1%
Load
1,017 departures · 123,393 passengers · 775 mi
80.9%
Load
1,015 departures · 111,855 passengers · 140 mi
73.5%
Load
Burbank – San Francisco (BUR–SFO)
994 departures · 104,489 passengers · 326 mi
70.1%
Load
927 departures · 113,042 passengers · 948 mi
81.3%
Load
Denver – Dallas-Fort Worth (DEN–DFW)
909 departures · 114,697 passengers · 641 mi
84.1%
Load
897 departures · 117,334 passengers · 1,123 mi
87.2%
Load
Houston – Puerto Vallarta (IAH–PVR)
884 departures · 99,101 passengers · 891 mi
74.7%
Load
Houston – San José del Cabo (IAH–SJD)
879 departures · 101,808 passengers · 1,006 mi
77.2%
Load
The longest and shortest United Airlines A320 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
2,079 mi
Detroit – San Francisco (DTW–SFO)
4h 54m block · 188 departures · 84% 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.
Shortest route flown
73 mi
Colorado Springs – Denver (COS–DEN)
52m block · 463 departures · 78% load
Flown by United Airlines. About 52m 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.
Where United Airlines flies the A320 from
United Airlines flies its A320 from 94 US airports in 3 countries. The busiest, by departures:
- DEN
13,253 departures · 63 routes
17.9%
Share
- ORD
9,560 departures · 52 routes
12.9%
Share
- IAH
6,950 departures · 34 routes
9.4%
Share
- SFO
5,819 departures · 24 routes
7.9%
Share
- AUS
1,830 departures · 5 routes
2.5%
Share
- MEX
Mexico City
1,582 departures · 3 routes
2.1%
Share
- SEA
1,432 departures · 5 routes
1.9%
Share
- DFW
1,370 departures · 5 routes
1.9%
Share
- LAX
1,359 departures · 9 routes
1.8%
Share
- JAC
1,160 departures · 3 routes
1.6%
Share
Where the A320 sits in United Airlines's fleet
The A320 is 7.4% of United Airlines's 1,076 tracked mainline aircraft.
Share of United Airlines's mainline fleet · each type a slice · the A320 is the ringed slice at 7.4%
Other United Airlines types
How old is the United Airlines A320 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 United Airlines A320 capacity
Frequently asked
How many A320 does United Airlines have?
United Airlines operates about 68 A320 aircraft — 68 in service and 0 stored in its latest US DOT fleet filing.
Where does United Airlines fly the A320?
United Airlines flies its A320 to about 94 US airports across 3 countries, its busiest route being DEN–JAC.
How old are United Airlines's A320?
United Airlines's A320 fleet averages about 25.9 yr, ranging from 8.1 yr to 30.5 yr.
What is the longest A320 route United Airlines flies?
The longest A320 route United Airlines flew over the trailing 12 months is DTW–SFO, about 2,079 miles.