United Airlines

Boeing 777-300ER

350 seats · 3 cabins · 777-300ER

Collected Sep 28, 2026

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FRONT OF CABIN

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BACK OF CABIN

Schematic from published seat labels and positions; not to scale. Window alignment, exits, and service areas are not drawn.

United Airlines 777-300ER: seat details

350 seats across 3 cabins. Match this configuration with your booking before choosing a seat.

Cabin dimensions
CabinSeatsPitchWidthRecline
United Polaris®6078"22"180°
Premium Plus2438"18.5"6"
Economy26631"17"3"
Cabin amenities
CabinSeats coveredWi-FiEntertainmentPower
United Polaris®All 60 seatsEquippedOn-demand entertainmentAC power
Premium PlusAll 24 seatsEquippedOn-demand entertainmentAC power
EconomyAll 266 seatsEquippedOn-demand entertainmentAC power

Streaming entertainment may use an onboard network without internet access. Equipment and charges can vary by flight; unconfirmed details do not mean an amenity is absent.

Seat-by-seat dimensions and things to know

Measurements use seat-specific details when available, otherwise cabin values. Missing notes do not guarantee a drawback-free seat. The map is schematic; aircraft and cabin layouts can change.

Seat details for United Airlines 777-300ER
SeatCabinPitchWidthReclineThings to know
1AUnited Polaris®78"22"180°Near a galley
1DUnited Polaris®78"22"180°Near a galley
1GUnited Polaris®78"22"180°Near a galley
1LUnited Polaris®78"22"180°Near a galley
2AUnited Polaris®78"22"180°Window is misaligned
2DUnited Polaris®78"22"180°Not listed
2GUnited Polaris®78"22"180°Not listed
2LUnited Polaris®78"22"180°Window is misaligned
3AUnited Polaris®78"22"180°Not listed
3DUnited Polaris®78"22"180°Not listed
3GUnited Polaris®78"22"180°Not listed
3LUnited Polaris®78"22"180°Not listed
4AUnited Polaris®78"22"180°Window is misaligned
4DUnited Polaris®78"22"180°Not listed
4GUnited Polaris®78"22"180°Not listed
4LUnited Polaris®78"22"180°Window is misaligned
5AUnited Polaris®78"22"180°Not listed
5DUnited Polaris®78"22"180°Not listed
5GUnited Polaris®78"22"180°Not listed
5LUnited Polaris®78"22"180°Not listed
6AUnited Polaris®78"22"180°Window is misaligned
6DUnited Polaris®78"22"180°Not listed
6GUnited Polaris®78"22"180°Not listed
6LUnited Polaris®78"22"180°Window is misaligned
7AUnited Polaris®78"22"180°Window is misaligned · Near a galley
7LUnited Polaris®78"22"180°Window is misaligned · Near a galley
8AUnited Polaris®78"22"180°Window is misaligned · Near a galley
8LUnited Polaris®78"22"180°Window is misaligned · Near a galley
9AUnited Polaris®78"22"180°Near a lavatory · Near a galley
9DUnited Polaris®78"22"180°Near a lavatory · Near a galley
9GUnited Polaris®78"22"180°Near a lavatory · Near a galley
9LUnited Polaris®78"22"180°Near a lavatory · Near a galley
10AUnited Polaris®78"22"180°Window is misaligned
10DUnited Polaris®78"22"180°Not listed
10GUnited Polaris®78"22"180°Not listed
10LUnited Polaris®78"22"180°Window is misaligned
11AUnited Polaris®78"22"180°Not listed
11DUnited Polaris®78"22"180°Not listed
11GUnited Polaris®78"22"180°Not listed
11LUnited Polaris®78"22"180°Not listed
12AUnited Polaris®78"22"180°Window is misaligned
12DUnited Polaris®78"22"180°Not listed
12GUnited Polaris®78"22"180°Not listed
12LUnited Polaris®78"22"180°Window is misaligned
15AUnited Polaris®78"22"180°Not listed
15DUnited Polaris®78"22"180°Not listed
15GUnited Polaris®78"22"180°Not listed
15LUnited Polaris®78"22"180°Not listed
16AUnited Polaris®78"22"180°Window is misaligned
16DUnited Polaris®78"22"180°Not listed
16GUnited Polaris®78"22"180°Not listed
16LUnited Polaris®78"22"180°Window is misaligned
17AUnited Polaris®78"22"180°Not listed
17DUnited Polaris®78"22"180°Not listed
17GUnited Polaris®78"22"180°Not listed
17LUnited Polaris®78"22"180°Not listed
18AUnited Polaris®78"22"180°Window is misaligned
18DUnited Polaris®78"22"180°Not listed
18GUnited Polaris®78"22"180°Not listed
18LUnited Polaris®78"22"180°Window is misaligned
20APremium Plus38"18.5"6"No floor storage during takeoff and landing · Wing limits the view
20BPremium Plus38"18.5"6"No floor storage during takeoff and landing
20DPremium Plus38"18.5"6"No floor storage during takeoff and landing
20EPremium Plus38"18.5"6"No floor storage during takeoff and landing
20FPremium Plus38"18.5"6"No floor storage during takeoff and landing
20GPremium Plus38"18.5"6"No floor storage during takeoff and landing
20KPremium Plus38"18.5"6"No floor storage during takeoff and landing
20LPremium Plus38"18.5"6"No floor storage during takeoff and landing · Wing limits the view
21APremium Plus38"18.5"6"Wing limits the view
21BPremium Plus38"18.5"6"Not listed
21DPremium Plus38"18.5"6"Not listed
21EPremium Plus38"18.5"6"Not listed
21FPremium Plus38"18.5"6"Not listed
21GPremium Plus38"18.5"6"Not listed
21KPremium Plus38"18.5"6"Not listed
21LPremium Plus38"18.5"6"Wing limits the view
22APremium Plus38"18.5"6"Near a lavatory · Wing limits the view
22BPremium Plus38"18.5"6"Near a lavatory
22DPremium Plus38"18.5"6"Near a lavatory
22EPremium Plus38"18.5"6"Near a lavatory
22FPremium Plus38"18.5"6"Near a lavatory
22GPremium Plus38"18.5"6"Near a lavatory
22KPremium Plus38"18.5"6"Near a lavatory
22LPremium Plus38"18.5"6"Near a lavatory · Wing limits the view
30AUnited Economy Plus®34"17"4"Extra legroom · No floor storage during takeoff and landing · Tray table is in the armrest · May feel cooler near the exit · No window · Near a lavatory · Exit-row eligibility restrictions apply
30BUnited Economy Plus®34"17"4"Extra legroom · No floor storage during takeoff and landing · Tray table is in the armrest · Near a lavatory · Exit-row eligibility restrictions apply
30CUnited Economy Plus®34"17"4"Extra legroom · No floor storage during takeoff and landing · Tray table is in the armrest · Near a lavatory · Exit-row eligibility restrictions apply
30DUnited Economy Plus®34"17"4"Extra legroom · No floor storage during takeoff and landing · Tray table is in the armrest · May feel cooler near the exit · Near a lavatory
30EUnited Economy Plus®34"17"4"Extra legroom · No floor storage during takeoff and landing · Tray table is in the armrest · May feel cooler near the exit · Near a lavatory
30FUnited Economy Plus®34"17"4"Extra legroom · No floor storage during takeoff and landing · Tray table is in the armrest · May feel cooler near the exit · Near a lavatory
30GUnited Economy Plus®34"17"4"Extra legroom · No floor storage during takeoff and landing · Tray table is in the armrest · May feel cooler near the exit · Near a lavatory
30JUnited Economy Plus®34"17"4"Extra legroom · No floor storage during takeoff and landing · Tray table is in the armrest · Near a lavatory · Exit-row eligibility restrictions apply
30KUnited Economy Plus®34"17"4"Extra legroom · No floor storage during takeoff and landing · Tray table is in the armrest · Near a lavatory · Exit-row eligibility restrictions apply
30LUnited Economy Plus®34"17"4"Extra legroom · No floor storage during takeoff and landing · Tray table is in the armrest · May feel cooler near the exit · No window · Near a lavatory · Exit-row eligibility restrictions apply
31AUnited Economy Plus®34"17"4"Wing limits the view
31BUnited Economy Plus®34"17"4"Not listed
31CUnited Economy Plus®34"17"4"Not listed
31DUnited Economy Plus®34"17"4"Not listed
31EUnited Economy Plus®34"17"4"Not listed
31FUnited Economy Plus®34"17"4"Not listed
31GUnited Economy Plus®34"17"4"Not listed
31JUnited Economy Plus®34"17"4"Not listed
31KUnited Economy Plus®34"17"4"Not listed
31LUnited Economy Plus®34"17"4"Wing limits the view
32AUnited Economy Plus®34"17"4"Wing limits the view
32BUnited Economy Plus®34"17"4"Not listed
32CUnited Economy Plus®34"17"4"Not listed
32DUnited Economy Plus®34"17"4"Not listed
32EUnited Economy Plus®34"17"4"Not listed
32FUnited Economy Plus®34"17"4"Not listed
32GUnited Economy Plus®34"17"4"Not listed
32JUnited Economy Plus®34"17"4"Not listed
32KUnited Economy Plus®34"17"4"Not listed
32LUnited Economy Plus®34"17"4"Wing limits the view
33AUnited Economy Plus®34"17"4"Wing limits the view
33BUnited Economy Plus®34"17"4"Not listed
33CUnited Economy Plus®34"17"4"Not listed
33DUnited Economy Plus®34"17"4"Not listed
33EUnited Economy Plus®34"17"4"Not listed
33FUnited Economy Plus®34"17"4"Not listed
33GUnited Economy Plus®34"17"4"Not listed
33JUnited Economy Plus®34"17"4"Not listed
33KUnited Economy Plus®34"17"4"Not listed
33LUnited Economy Plus®34"17"4"Wing limits the view
34AUnited Economy Plus®34"17"4"Wing limits the view
34BUnited Economy Plus®34"17"4"Not listed
34CUnited Economy Plus®34"17"4"Not listed
34DEconomy31"17"3"Not listed
34EEconomy31"17"3"Not listed
34FEconomy31"17"3"Not listed
34GEconomy31"17"3"Not listed
34JUnited Economy Plus®34"17"4"Not listed
34KUnited Economy Plus®34"17"4"Not listed
34LUnited Economy Plus®34"17"4"Wing limits the view
35AUnited Economy Plus®34"17"4"Wing limits the view
35BUnited Economy Plus®34"17"4"Not listed
35CUnited Economy Plus®34"17"4"Not listed
35DEconomy31"17"3"Not listed
35EEconomy31"17"3"Not listed
35FEconomy31"17"3"Not listed
35GEconomy31"17"3"Not listed
35JUnited Economy Plus®34"17"4"Not listed
35KUnited Economy Plus®34"17"4"Not listed
35LUnited Economy Plus®34"17"4"Wing limits the view
36AEconomy31"17"3"Wing limits the view
36BEconomy31"17"3"Not listed
36CEconomy31"17"3"Not listed
36DEconomy31"17"3"Not listed
36EEconomy31"17"3"Not listed
36FEconomy31"17"3"Not listed
36GEconomy31"17"3"Not listed
36JEconomy31"17"3"Not listed
36KEconomy31"17"3"Not listed
36LEconomy31"17"3"Wing limits the view
37AEconomy31"17"3"Wing limits the view
37BEconomy31"17"3"Not listed
37CEconomy31"17"3"Not listed
37DEconomy31"17"3"Not listed
37EEconomy31"17"3"Not listed
37FEconomy31"17"3"Not listed
37GEconomy31"17"3"Not listed
37JEconomy31"17"3"Not listed
37KEconomy31"17"3"Not listed
37LEconomy31"17"3"Wing limits the view
38AEconomy31"17"3"Wing limits the view
38BEconomy31"17"3"Not listed
38CEconomy31"17"3"Not listed
38DEconomy31"17"3"Not listed
38EEconomy31"17"3"Not listed
38FEconomy31"17"3"Not listed
38GEconomy31"17"3"Not listed
38JEconomy31"17"3"Not listed
38KEconomy31"17"3"Not listed
38LEconomy31"17"3"Wing limits the view
39AEconomy31"17"3"Wing limits the view
39BEconomy31"17"3"Not listed
39CEconomy31"17"3"Not listed
39DEconomy31"17"3"Not listed
39EEconomy31"17"3"Not listed
39FEconomy31"17"3"Not listed
39GEconomy31"17"3"Not listed
39JEconomy31"17"3"Not listed
39KEconomy31"17"3"Not listed
39LEconomy31"17"3"Wing limits the view
40AEconomy31"17"3"Not listed
40BEconomy31"17"3"Not listed
40CEconomy31"17"3"Not listed
40DEconomy31"17"3"Not listed
40EEconomy31"17"3"Not listed
40FEconomy31"17"3"Not listed
40GEconomy31"17"3"Not listed
40JEconomy31"17"3"Not listed
40KEconomy31"17"3"Not listed
40LEconomy31"17"3"Not listed
41AEconomy31"17"3"Not listed
41BEconomy31"17"3"Not listed
41CEconomy31"17"3"Not listed
41DEconomy31"17"3"Not listed
41EEconomy31"17"3"Not listed
41FEconomy31"17"3"Not listed
41GEconomy31"17"3"Not listed
41JEconomy31"17"3"Not listed
41KEconomy31"17"3"Not listed
41LEconomy31"17"3"Not listed
42AEconomy31"17"3"Near a lavatory · Near a galley
42BEconomy31"17"3"Near a lavatory · Near a galley
42CEconomy31"17"3"Near a lavatory · Near a galley
42DEconomy31"17"3"Near a lavatory · Near a galley
42EEconomy31"17"3"Near a lavatory · Near a galley
42FEconomy31"17"3"Near a lavatory · Near a galley
42GEconomy31"17"3"Near a lavatory · Near a galley
42JEconomy31"17"3"Near a lavatory · Near a galley
42KEconomy31"17"3"Near a lavatory · Near a galley
42LEconomy31"17"3"Near a lavatory · Near a galley
43AEconomy31"17"3"Limited recline · Near a lavatory · Near a galley
43BEconomy31"17"3"Limited recline · Near a lavatory · Near a galley
43CEconomy31"17"3"Limited recline · Near a lavatory · Near a galley
43DEconomy31"17"3"Limited recline · Near a lavatory · Near a galley
43EEconomy31"17"3"Limited recline · Near a lavatory · Near a galley
43FEconomy31"17"3"Limited recline · Near a lavatory · Near a galley
43GEconomy31"17"3"Limited recline · Near a lavatory · Near a galley
43JEconomy31"17"3"Limited recline · Near a lavatory · Near a galley
43KEconomy31"17"3"Limited recline · Near a lavatory · Near a galley
43LEconomy31"17"3"Limited recline · Near a lavatory · Near a galley
45AUnited Economy Plus®34"17"4"Extra legroom · No floor storage during takeoff and landing · Tray table is in the armrest · May feel cooler near the exit · Window is misaligned · Near a lavatory · Near a galley · Exit-row eligibility restrictions apply
45BUnited Economy Plus®34"17"4"Extra legroom · No floor storage during takeoff and landing · Tray table is in the armrest · Near a lavatory · Near a galley · Exit-row eligibility restrictions apply
45CUnited Economy Plus®34"17"4"Extra legroom · No floor storage during takeoff and landing · Tray table is in the armrest · Near a lavatory · Near a galley · Exit-row eligibility restrictions apply
45JUnited Economy Plus®34"17"4"Extra legroom · No floor storage during takeoff and landing · Tray table is in the armrest · Near a lavatory · Near a galley · Exit-row eligibility restrictions apply
45KUnited Economy Plus®34"17"4"Extra legroom · No floor storage during takeoff and landing · Tray table is in the armrest · Near a lavatory · Near a galley · Exit-row eligibility restrictions apply
45LUnited Economy Plus®34"17"4"Extra legroom · No floor storage during takeoff and landing · Tray table is in the armrest · May feel cooler near the exit · Window is misaligned · Near a lavatory · Near a galley · Exit-row eligibility restrictions apply
46AEconomy31"17"3"Near a galley
46BEconomy31"17"3"Near a galley
46CEconomy31"17"3"Near a galley
46DUnited Economy Plus®34"17"4"Extra legroom · No floor storage during takeoff and landing · Tray table is in the armrest · Near a galley
46EUnited Economy Plus®34"17"4"Extra legroom · No floor storage during takeoff and landing · Tray table is in the armrest · Near a galley
46FUnited Economy Plus®34"17"4"Extra legroom · No floor storage during takeoff and landing · Tray table is in the armrest · Near a galley
46GUnited Economy Plus®34"17"4"Extra legroom · No floor storage during takeoff and landing · Tray table is in the armrest · Near a galley
46JEconomy31"17"3"Near a galley
46KEconomy31"17"3"Near a galley
46LEconomy31"17"3"Near a galley
47AEconomy31"17"3"Not listed
47BEconomy31"17"3"Not listed
47CEconomy31"17"3"Not listed
47DEconomy31"17"3"Not listed
47EEconomy31"17"3"Not listed
47FEconomy31"17"3"Not listed
47GEconomy31"17"3"Not listed
47JEconomy31"17"3"Not listed
47KEconomy31"17"3"Not listed
47LEconomy31"17"3"Not listed
48AEconomy31"17"3"Not listed
48BEconomy31"17"3"Not listed
48CEconomy31"17"3"Not listed
48DEconomy31"17"3"Not listed
48EEconomy31"17"3"Not listed
48FEconomy31"17"3"Not listed
48GEconomy31"17"3"Not listed
48JEconomy31"17"3"Not listed
48KEconomy31"17"3"Not listed
48LEconomy31"17"3"Not listed
49AEconomy31"17"3"Not listed
49BEconomy31"17"3"Not listed
49CEconomy31"17"3"Not listed
49DEconomy31"17"3"Not listed
49EEconomy31"17"3"Not listed
49FEconomy31"17"3"Not listed
49GEconomy31"17"3"Not listed
49JEconomy31"17"3"Not listed
49KEconomy31"17"3"Not listed
49LEconomy31"17"3"Not listed
50AEconomy31"17"3"Not listed
50BEconomy31"17"3"Not listed
50CEconomy31"17"3"Not listed
50DEconomy31"17"3"Not listed
50EEconomy31"17"3"Not listed
50FEconomy31"17"3"Not listed
50GEconomy31"17"3"Not listed
50JEconomy31"17"3"Not listed
50KEconomy31"17"3"Not listed
50LEconomy31"17"3"Not listed
51AEconomy31"17"3"Not listed
51BEconomy31"17"3"Not listed
51CEconomy31"17"3"Not listed
51DEconomy31"17"3"Not listed
51EEconomy31"17"3"Not listed
51FEconomy31"17"3"Not listed
51GEconomy31"17"3"Not listed
51JEconomy31"17"3"Not listed
51KEconomy31"17"3"Not listed
51LEconomy31"17"3"Not listed
52AEconomy31"17"3"Not listed
52BEconomy31"17"3"Not listed
52CEconomy31"17"3"Not listed
52DEconomy31"17"3"Not listed
52EEconomy31"17"3"Not listed
52FEconomy31"17"3"Not listed
52GEconomy31"17"3"Not listed
52JEconomy31"17"3"Not listed
52KEconomy31"17"3"Not listed
52LEconomy31"17"3"Not listed
53AEconomy31"17"3"Not listed
53BEconomy31"17"3"Not listed
53CEconomy31"17"3"Not listed
53DEconomy31"17"3"Not listed
53EEconomy31"17"3"Not listed
53FEconomy31"17"3"Not listed
53GEconomy31"17"3"Not listed
53JEconomy31"17"3"Not listed
53KEconomy31"17"3"Not listed
53LEconomy31"17"3"Not listed
54AEconomy31"17"3"Not listed
54BEconomy31"17"3"Not listed
54CEconomy31"17"3"Not listed
54DEconomy31"17"3"Not listed
54EEconomy31"17"3"Not listed
54FEconomy31"17"3"Not listed
54GEconomy31"17"3"Not listed
54JEconomy31"17"3"Not listed
54KEconomy31"17"3"Not listed
54LEconomy31"17"3"Not listed
55AEconomy31"17"3"Not listed
55BEconomy31"17"3"Not listed
55CEconomy31"17"3"Not listed
55DEconomy31"17"3"Not listed
55EEconomy31"17"3"Not listed
55FEconomy31"17"3"Not listed
55GEconomy31"17"3"Not listed
55JEconomy31"17"3"Not listed
55KEconomy31"17"3"Not listed
55LEconomy31"17"3"Not listed
56AEconomy31"17"3"Near a lavatory
56CEconomy31"17"3"Near a lavatory
56DEconomy31"17"3"Near a lavatory
56EEconomy31"17"3"Near a lavatory
56FEconomy31"17"3"Near a lavatory
56GEconomy31"17"3"Near a lavatory
56JEconomy31"17"3"Near a lavatory
56LEconomy31"17"3"Near a lavatory
57AEconomy31"17"3"Limited recline · Near a lavatory
57CEconomy31"17"3"Limited recline · Near a lavatory
57DEconomy31"17"3"Near a lavatory
57EEconomy31"17"3"Near a lavatory
57FEconomy31"17"3"Near a lavatory
57GEconomy31"17"3"Near a lavatory
57JEconomy31"17"3"Limited recline · Near a lavatory
57LEconomy31"17"3"Limited recline · Near a lavatory
58DEconomy31"17"3"Limited recline · Near a lavatory · Near a galley
58EEconomy31"17"3"Limited recline · Near a lavatory · Near a galley
58FEconomy31"17"3"Limited recline · Near a lavatory · Near a galley
58GEconomy31"17"3"Limited recline · Near a lavatory · Near a galley