United Airlines seat maps: which aircraft UA actually flies

United Airlines (UA) operates 23 distinct aircraft types across 412 airports in 2LNR's schedule data, including Embraer E175, Boeing 737 MAX 8, and Boeing 737-800. On a fleet this varied, one seat number means different things on different departures of the same route, because the cabin you get depends on which airframe is assigned.

Updated .

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23
Aircraft types
412
Airports served
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United Airlines fleet as flown

Aircraft types UA currently schedules on its own metal. Regional flying under the UA brand counts as UA metal; flights UA markets but another airline operates don't.

United Airlines aircraft types, with the nonstop routes and airports each one serves
Aircraft Nonstop routes Airports served Typical route
Embraer E175 883 181 640 mi
Boeing 737 MAX 8 877 163 1,250 mi
Boeing 737-800 835 146 980 mi
Boeing 737 MAX 9 743 125 1,110 mi
Boeing 737-900 635 118 960 mi
Airbus A319 564 128 800 mi
Bombardier CRJ 481 178 390 mi
Airbus A320 469 115 820 mi
Boeing 737-700 365 98 800 mi
Bombardier CRJ-200 270 118 340 mi
Embraer ERJ 127 64 370 mi
Airbus A321XLR 117 37 1,450 mi
Boeing 777 109 36 4,070 mi
Boeing 757-200 101 32 2,440 mi
Boeing 787-9 Dreamliner 99 38 5,680 mi
Boeing 767-300 74 29 4,050 mi
Boeing 767-400ER 46 20 4,050 mi
Boeing 757-300 39 12 1,630 mi
Boeing 787-8 Dreamliner 35 17 4,510 mi
Boeing 787-10 Dreamliner 33 15 4,330 mi
Boeing 777-300ER 29 15 5,110 mi
Embraer E170 16 9 400 mi
Bombardier CRJ-700 9 11 360 mi
Airbus A320neo 1 2 —
De Havilland Canada Dash 8-400 1 2 —
Bombardier CRJ-900 1 2 —

Route counts are distinct directional nonstop city pairs in 2LNR's schedule data. Where an airline files a family code without naming a variant, the card reads as the family, because that is what was filed; 2LNR doesn't guess the airframe.

Distances are great-circle miles between the two airports, rounded to the nearest ten, not the track a flight actually files. A longest route is shown only where every one of that aircraft's routes could be measured, and a typical route only where most of them could; where the measurement was too thin, the figure is left out rather than estimated.

Configurations are the aircraft names UA itself records in 2LNR's reference. They aren't seat counts or a cabin layout, and the reference carries no date we could stand behind, so we don't claim one. Airlines retrofit cabins and can assign a different aircraft on the day, so treat them as context rather than as what you'll board. Where nothing is recorded, nothing is shown.

How to see the seat map for your UA flight

Add the flight and open it. On Pro, 2LNR reads the seat map for that UA flight and date, scores the open seats inside your own cabin and marks paid seats as paid. The map is read when you ask, not stored, so an aircraft swap shows up as a different map instead of a wrong one.

Cabins churn in the last days before departure as blocked rows release and upgrades clear. Seat monitoring re-reads the map on a cadence that tightens as departure approaches and tells you when a better seat opens, or when the seat you hold changes underneath you.

2LNR doesn't publish stored cabin drawings or per-seat comfort ratings for UA aircraft. To browse a layout on an aircraft you haven't booked, use a maintained diagram library such as AeroLOPA.

Frequently asked questions about United Airlines (UA) aircraft

What aircraft does United Airlines fly?
23 aircraft types appear on United Airlines' own metal in 2LNR's schedule data, reaching 412 airports, including Embraer E175, Boeing 737 MAX 8, and Boeing 737-800. The full list is on this page, with the nonstop routes each one operates and the recorded cabin configuration where there is one. Regional flying under the UA brand is counted as UA metal; flights UA markets but another airline operates are not.
Where does this UA fleet information come from?
From the schedules 2LNR collects continuously and uses to build its own route map: every aircraft listed here is one UA has filed against a nonstop route it operates, and the counts are the routes in that data. It is a picture of what is scheduled, not an aircraft register, so a type UA owns but is not currently scheduling will not appear. Route lengths are great-circle distances between the two airports rather than flown track miles.
What is the longest route United Airlines flies?
Of the routes in 2LNR's schedule data, the longest UA operates on its own metal is Sydney (SYD) to Houston (IAH), about 8,600 miles great-circle, flown on the Boeing 787-9 Dreamliner. That is the distance between the two airports rather than the track the flight actually takes, and it is the routing rather than the aircraft that decides it: UA schedules more than one type on many of its routes.

Put a seat monitor on your next UA flight

Add the UA flight you've booked. On Pro, its live seat map and seat monitoring come with it, and 2LNR tells you when a check finds a better seat.

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