United Airlines 737 MAX 9
129 aircraft · 179 seats · 20F / 45E+ / 114Y · Next-gen narrowbody
129
Aircraft
179
Total Seats
2018–2026
Deliveries
Narrow
Body Type
Explore aircraft details below ↓
Overview
The Boeing 737 MAX 9 is one of the newest narrowbody aircraft in United's fleet with 129 aircraft delivered between 2018 and 2026. CFM LEAP-1B engines deliver improved fuel efficiency and lower noise.
United deploys the MAX 9 from hubs like Denver (DEN), Chicago O'Hare (ORD), Houston (IAH), and Newark (EWR).
Key facts: 129 aircraft · 179 seats · Viasat WiFi · AVOD seatback screens (most) · Deliveries through 2026
Seat Configuration
| Cabin | Seats | Layout | Pitch |
|---|---|---|---|
| First | 20 | 2-2 | 37–38" |
| Economy Plus | 45 | 3-3 | 34" |
| Economy | 114 | 3-3 | 30" |
WiFi & In-Flight Entertainment
All 129 have Viasat Ka-band WiFi. 109 have AVOD seatback screens; 20 use PDE. Every seat has 110V AC power.
Routes & Hubs
- Denver (DEN) — Western U.S. domestic
- Chicago (ORD) — Midwest and East Coast
- Houston (IAH) — Southern U.S. and Mexico
- Newark (EWR) — East Coast and Caribbean
Related Aircraft
Other 737s: MAX 8 (123), 737-800 (141), 737-900ER (136), 737-900 (12), 737-700 (40).
Aircraft Registry — All 129 Boeing 737 MAX 9
Complete list of every United Airlines Boeing 737 MAX 9 with registration, delivery year, seat configuration, WiFi, IFE, and current status. Data updated daily from public aviation records.
| Reg | AC# | Config | WiFi | IFE | Power | Year | Status |
|---|---|---|---|---|---|---|---|
| N17401 | 7401 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2025 | Active |
| N17402 | 7402 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2025 | Active |
| N17403 | 7403 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2025 | Active |
| N17405 | 7405 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2025 | Active |
| N17406 | 7406 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2025 | Active |
| N17407 | 7407 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2025 | Active |
| N17408 | 7408 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2025 | Active |
| N17410 | 7410 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2025 | Active |
| N17411 | 7411 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2025 | Active |
| N17413 | 7413 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2025 | Active |
| N17414 | 7414 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2025 | Active |
| N17417 | 7417 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2025 | Active |
| N17418 | 7418 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2025 | Active |
| N17420 | 7420 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2025 | Active |
| N17421 | 7421 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2025 | Active |
| N17422 | 7422 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2026 | Active |
| N17423 | 7423 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2026 | Active |
| N17425 | 7425 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2026 | LAS Induction 2/5/26 |
| N17427 | 7427 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2026 | LAS Induction 2/1/26 |
| N17428 | 7428 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2026 | LAS Induction 1/31/26 |
| N17429 | 7429 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2026 | PDX Induction 1/30/26 |
| N17431 | 7431 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2025 | Active |
| N17529 | 7529 | 20F/45E+/114Y | ViaSatKA | PDE | 110 V | 2021 | Active |
| N17550 | 7550 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2023 | Active |
| N17557 | 7557 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2023 | Active |
| N17564 | 7564 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2023 | Active |
| N17565 | 7565 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2023 | Active |
| N17566 | 7566 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2023 | Active |
| N17574 | 7574 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2023 | Active |
| N17583 | 7583 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2024 | Active |
| N17589 | 7589 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2025 | Active |
| N17591 | 7591 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2025 | Active |
| N17593 | 7593 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2025 | Active |
| N17594 | 7594 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2025 | Active |
| N17595 | 7595 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2025 | Active |
| N17596 | 7596 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2025 | Active |
| N17597 | 7597 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2025 | Active |
| N17599 | 7599 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2025 | Active |
| N27404 | 7404 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2025 | Active |
| N27419 | 7419 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2025 | Active |
| N27503 | 7503 | 20F/48E+/111Y | ViaSatKA | PDE | 110 V | 2018 | Active |
| N27509 | 7509 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2018 | Active |
| N27511 | 7511 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2019 | Active |
| N27515 | 7515 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2020 | Active |
| N27519 | 7519 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2020 | Active |
| N27520 | 7520 | 20F/45E+/114Y | ViaSatKA | PDE | 110 V | 2020 | Active |
| N27526 | 7526 | 20F/45E+/114Y | ViaSatKA | PDE | 110 V | 2021 | Active |
| N27539 | 7539 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2022 | Active |
| N27546 | 7546 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2022 | Active |
| N27568 | 7568 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2023 | Active |
| N27586 | 7586 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2024 | Active |
| N37415 | 7415 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2025 | Active |
| N37502 | 7502 | 20F/48E+/111Y | ViaSatKA | PDE | 110 V | 2018 | Active |
| N37504 | 7504 | 20F/48E+/111Y | ViaSatKA | PDE | 110 V | 2018 | Active |
| N37506 | 7506 | 20F/48E+/111Y | ViaSatKA | PDE | 110 V | 2018 | Active |
| N37507 | 7507 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2018 | Active |
| N37508 | 7508 | 20F/48E+/111Y | ViaSatKA | PDE | 110 V | 2018 | Active |
| N37510 | 7510 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2019 | Active |
| N37513 | 7513 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2019 | Active |
| N37514 | 7514 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2019 | Active |
| N37516 | 7516 | 20F/45E+/114Y | ViaSatKA | PDE | 110 V | 2020 | Active |
| N37518 | 7518 | 20F/45E+/114Y | ViaSatKA | PDE | 110 V | 2021 | Active |
| N37521 | 7521 | 20F/45E+/114Y | ViaSatKA | PDE | 110 V | 2020 | Active |
| N37522 | 7522 | 20F/45E+/114Y | ViaSatKA | PDE | 110 V | 2021 | Active |
| N37523 | 7523 | 20F/45E+/114Y | ViaSatKA | PDE | 110 V | 2020 | Active |
| N37525 | 7525 | 20F/45E+/114Y | ViaSatKA | PDE | 110 V | 2021 | Active |
| N37527 | 7527 | 20F/45E+/114Y | ViaSatKA | PDE | 110 V | 2021 | Active |
| N37528 | 7528 | 20F/45E+/114Y | ViaSatKA | PDE | 110 V | 2021 | Active |
| N37530 | 7530 | 20F/45E+/114Y | ViaSatKA | PDE | 110 V | 2021 | Active |
| N37531 | 7531 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2022 | Active |
| N37532 | 7532 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2022 | Active |
| N37534 | 7534 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2022 | Active |
| N37535 | 7535 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2022 | Active |
| N37536 | 7536 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2022 | Active |
| N37537 | 7537 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2022 | Active |
| N37538 | 7538 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2022 | Active |
| N37540 | 7540 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2022 | Active |
| N37541 | 7541 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2022 | Active |
| N37542 | 7542 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2022 | Active |
| N37545 | 7545 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2022 | Active |
| N37547 | 7547 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2022 | Active |
| N37548 | 7548 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2022 | Active |
| N37549 | 7549 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2023 | Active |
| N37551 | 7551 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2023 | Active |
| N37553 | 7553 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2023 | Active |
| N37554 | 7554 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2023 | Active |
| N37555 | 7555 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2023 | Active |
| N37556 | 7556 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2023 | MCO Maint 1/29/26 |
| N37560 | 7560 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2023 | Active |
| N37561 | 7561 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2023 | Active |
| N37562 | 7562 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2023 | Active |
| N37563 | 7563 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2023 | Active |
| N37567 | 7567 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2023 | Active |
| N37577 | 7577 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2023 | Active |
| N47412 | 7412 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2025 | Active |
| N47505 | 7505 | 20F/48E+/111Y | ViaSatKA | PDE | 110 V | 2018 | Active |
| N47512 | 7512 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2019 | Active |
| N47517 | 7517 | 20F/45E+/114Y | ViaSatKA | PDE | 110 V | 2020 | Active |
| N47524 | 7524 | 20F/45E+/114Y | ViaSatKA | PDE | 110 V | 2020 | Active |
| N47533 | 7533 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2022 | Active |
| N47569 | 7569 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2023 | Active |
| N47570 | 7570 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2023 | Active |
| N57409 | 7409 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2025 | Active |
| N57416 | 7416 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2025 | Active |
| N67501 | 7501 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2018 | Active |
| N77426 | 7426 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2026 | Active |
| N77543 | 7543 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2022 | Active |
| N77544 | 7544 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2022 | Active |
| N77552 | 7552 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2023 | Active |
| N77558 | 7558 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2023 | Active |
| N77559 | 7559 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2023 | Active |
| N77571 | 7571 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2023 | Active |
| N77572 | 7572 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2023 | Active |
| N77573 | 7573 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2023 | Active |
| N77575 | 7575 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2023 | Active |
| N77576 | 7576 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2023 | Active |
| N77578 | 7578 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2023 | Active |
| N77579 | 7579 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2023 | Active |
| N77580 | 7580 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2024 | Active |
| N77581 | 7581 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2025 | Active |
| N77582 | 7582 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2024 | Active |
| N77584 | 7584 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2025 | Active |
| N77585 | 7585 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2024 | Active |
| N77587 | 7587 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2025 | Active |
| N77588 | 7588 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2024 | Active |
| N77590 | 7590 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2025 | Active |
| N77592 | 7592 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2025 | Active |
| N77598 | 7598 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2025 | Active |
| N97424 | 7424 | 20F/45E+/114Y | ViaSatKA | AVOD | 110 V | 2026 | Active |
Frequently Asked Questions
How many Boeing 737 MAX 9 aircraft does United Airlines have?
United Airlines operates 129 Boeing 737 MAX 9 aircraft as of March 2026, delivered between 2018 and 2026. It serves domestic and short-haul routes across the U.S.
What is the seat configuration on United's 737 MAX 9?
179 passengers: 20 First Class (2-2), 45 Economy Plus (3-3), 114 Economy (3-3). A small number have 48 E+ and 111 Y.
Does the United 737 MAX 9 have WiFi?
Yes. All 129 are equipped with Viasat Ka-band satellite WiFi, gate-to-gate.
Does the United 737 MAX 9 have seatback screens?
109 of 129 have AVOD seatback screens; the remaining 20 have personal device entertainment (PDE).
What routes does United fly the 737 MAX 9 on?
Domestic routes from Denver (DEN), Chicago O'Hare (ORD), Houston (IAH), Newark (EWR), plus Mexico and Caribbean leisure destinations.
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