Lounge Frog guide
United Airlines Boeing 737-900ER seat map
United's own seat map for this Boeing 737-900 shows 179 seats: 20 First and 159 Economy.
Cabins at a glance
First
United First
20seats · 2-2
Recliner · 37" pitch · 20.5" wide · rows 1–5
Least bad: row 1, seats A, B, E and FBulkhead row, so nobody reclines into you
Economy
United Economy
159seats · 3-3
Recliner · 30" pitch · 17.3" wide · rows 7–39
Best pick: rows 8–11, seats A, B, C, D, E and FUnited Economy Plus: about 34" of pitch, against 31" in Economy
Seat map
Green seats are good, amber are a trade-off, red are best avoided. Hover over or tap a seat to see why.
Front of aircraft
United First
2-2 · Recliner · 37" pitch · 20.5" wide
United Economy
3-3 · Recliner · 30" pitch · 17.3" wide
Back of aircraft
Seat map updated October 2026. Rows and seats are as United Airlines's own seat map shows them. Airlines change layouts and swap aircraft, so check the seat map in your booking too.
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<script async src="https://www.loungefrog.com/embed.js"></script>Cabins
| Cabin | Seats | Rows | Layout | Seat | Pitch | Width | Recline | Wi-Fi |
|---|---|---|---|---|---|---|---|---|
United First | 20 | 1–5 | 2-2 | Recliner | 37 in | 20.5 in | 5 in | Yes |
United Economy | 159 | 7–39 | 3-3 | Recliner | 30 in | 17.3 in | 2 in | Yes |
Best and worst seats
Best seats
- Rows 8–11, seats A, B, C, D, E and F · United Economy
United Economy Plus: about 34" of pitch, against 31" in Economy
- Rows 20–21, seats A, B, C, D, E and F · United Economy
Exit row with extra legroom
Trade-offs
- Row 1, seats A, B, E and F · United First
Bulkhead row, so nobody reclines into you
- Row 7, seats D, E and F · United Economy
Bulkhead row, so nobody reclines into you
Seats to avoid
- Row 5, seats A and B · United First
Next to a lavatory, with queues, noise and flushing
- Row 39, seats A, B, C, D, E and F · United Economy
Next to a lavatory, with queues, noise and flushing
Quick answers
How many seats does United Airlines's Boeing 737-900ER (Version 2, 179 seats) have?
United Airlines's Boeing 737-900ER (Version 2, 179 seats) has 179 seats: 20 in United First and 159 in United Economy.
What are the best Economy seats on United Airlines's Boeing 737-900ER (Version 2, 179 seats)?
On United Airlines's Boeing 737-900ER (Version 2, 179 seats), the best Economy seats are rows 8–11, seats A, B, C, D, E and F (united Economy Plus: about 34" of pitch, against 31" in Economy) and rows 20–21, seats A, B, C, D, E and F (exit row with extra legroom).
Which seats should I avoid on United Airlines's Boeing 737-900ER (Version 2, 179 seats)?
On United Airlines's Boeing 737-900ER (Version 2, 179 seats), avoid row 5, seats A and B (next to a lavatory, with queues, noise and flushing) and row 39, seats A, B, C, D, E and F (next to a lavatory, with queues, noise and flushing).
What is United First like on United Airlines's Boeing 737-900ER (Version 2, 179 seats)?
United First on United Airlines's Boeing 737-900ER (Version 2, 179 seats) has 20 seats, rows 1 to 5, in a 2-2 layout, 37-inch pitch, 20.5-inch-wide seats (recliner).
How much legroom is there in Economy on United Airlines's Boeing 737-900ER (Version 2, 179 seats)?
Economy on United Airlines's Boeing 737-900ER (Version 2, 179 seats) has about 30 inches of seat pitch and seats about 17.3 inches wide, in a 3-3 layout. Exit rows and bulkheads have more legroom.
Read on
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- United Airlines's own Boeing 737-900ER page
Lounge Frog compiles seat maps from what airlines publish about their cabins and rates the seats with the same rules on every aircraft. Spotted a wrong row? Tell us and we'll correct it.