United Airlines 737-900
UANarrow-body jet
Fleet as reported in the 2025 annual filing · Registry & ages refreshed Sep 1, 2026
- Passengers flown a year
- 2M
- 17th-largest United Airlines sub-fleet
- Airframes in the filing
- 12
- Airports served
- 25
- Departures a day
- 39
- Average age
- 25.0 yr
How United Airlines flies its 737-900
Filed traffic dataThe count above is the 737-900 airframes United Airlines owns (US DOT Form 41). This is how it actually flew them to 25 airports — the capacity and busiest routes filed with US DOT T-100 over the trailing 12 months.
Departures flown
14,098
May 2026
Seats flown
2,523,542
Passengers
2M
Load factor
79.8%
RPM ÷ ASM
Block hours
37,186
United Airlines's busiest 737-900 routes
Its busiest 737-900 routes over the trailing 12 months, by departures.
2,191 departures · 329,617 passengers · 854 mi
84.0%
Load
1,847 departures · 268,196 passengers · 1,009 mi
81.1%
Load
1,255 departures · 180,019 passengers · 1,222 mi
80.1%
Load
Houston – New Orleans (IAH–MSY)
947 departures · 115,829 passengers · 305 mi
68.3%
Load
915 departures · 136,094 passengers · 1,303 mi
83.1%
Load
744 departures · 106,494 passengers · 787 mi
80.0%
Load
Houston – Philadelphia (IAH–PHL)
578 departures · 82,552 passengers · 1,325 mi
79.8%
Load
561 departures · 82,149 passengers · 1,334 mi
81.8%
Load
Houston – Fort Myers (IAH–RSW)
525 departures · 71,613 passengers · 861 mi
76.2%
Load
Houston – Indianapolis (IAH–IND)
356 departures · 45,614 passengers · 844 mi
71.6%
Load
353 departures · 54,979 passengers · 1,874 mi
87.0%
Load
320 departures · 45,871 passengers · 1,235 mi
80.1%
Load
288 departures · 35,493 passengers · 140 mi
68.8%
Load
Houston – Sacramento (IAH–SMF)
287 departures · 43,438 passengers · 1,609 mi
84.5%
Load
279 departures · 34,224 passengers · 657 mi
68.5%
Load
The longest and shortest United Airlines 737-900 flights
The two ends of the type's working envelope, from the routes it actually flew — not what the airframe is certified to do.
Shortest route flown
140 mi
1h 6m block · 288 departures · 69% load
Flown by United Airlines. Also one of the type's busiest routes anywhere in the US — a short hop worked like a bus line.
Source: US DOT Bureau of Transportation Statistics, T-100 Segment. Data through May 2026.
Where United Airlines flies the 737-900 from
United Airlines flies its 737-900 from 25 US airports. The busiest, by departures:
- IAH
6,586 departures · 24 routes
50.1%
Share
- MCO
1,099 departures · 1 route
8.4%
Share
- PHX
917 departures · 1 route
7.0%
Share
- LAS
624 departures · 1 route
4.7%
Share
- MSY
475 departures · 1 route
3.6%
Share
- SAN
455 departures · 1 route
3.5%
Share
- TPA
369 departures · 1 route
2.8%
Share
- PHL
289 departures · 1 route
2.2%
Share
- ONT
279 departures · 1 route
2.1%
Share
- RSW
263 departures · 1 route
2.0%
Share
Where the 737-900 sits in United Airlines's fleet
The 737-900 is 1.1% of United Airlines's 1,076 tracked mainline aircraft.
Share of United Airlines's mainline fleet · each type a slice · the 737-900 is the ringed slice at 1.1%
Other United Airlines types
How old is the United Airlines 737-900 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 12 737-900 tail numbers in United Airlines's fleet →
Monthly United Airlines 737-900 capacity
Frequently asked
How many 737-900 does United Airlines have?
United Airlines operates about 12 737-900 aircraft — 12 in service and 0 stored in its latest US DOT fleet filing.
Where does United Airlines fly the 737-900?
United Airlines flies its 737-900 to about 25 US airports, its busiest route being IAH–MCO.
How old are United Airlines's 737-900?
United Airlines's 737-900 fleet averages about 25.0 yr, ranging from 24.4 yr to 25.3 yr.
What is the longest 737-900 route United Airlines flies?
The longest 737-900 route United Airlines flew over the trailing 12 months is IAH–SEA, about 1,874 miles.