N17421 — 2025 Boeing 737 MAX 9 Data

N17421
A12AC1
2025 Boeing 737 MAX 9, c/n 67744 l/n 9422
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N17421 is a 2025 Boeing 737 MAX 9 (serial number 67744, line number 9422). It is configured with 2 engines and 179 seats. Registration status is listed as Valid, with ownership recorded under UNITED AIRLINES INC in Chicago, IL, United States. The profile includes 4 photos documenting this aircraft.

Latest photos of N17421
Aircraft N17421, SFO 2026, at KSFO, photo by Clayton Eddy
Clayton Eddy
@ KSFO
Aircraft N17421, SFO 2025, at SFO, photo by Clayton Eddy
Clayton Eddy
@ SFO
Aircraft N17421, SFO 2025, at KSFO, photo by Clayton Eddy
Clayton Eddy
@ KSFO
Aircraft N17421, SFO 2025, at KSFO, photo by Clayton Eddy
Clayton Eddy
@ KSFO
Recent Routes
NO LIVE DATA United Airlines
Time Callsign FL Speed Heading Route
2026-11-15 00:52 UTC UAL388 / UA388 FL268 436 kt 159° —
2026-11-14 13:44 UTC UAL570 / UA570 — 10 kt 301° BOS → EWR BOS → EWR General Edward Lawrence Logan International Airport
→
Newark Liberty International Airport
2026-11-14 07:56 UTC UAL779 / UA779 — 7 kt 242° DEN → BOS DEN → BOS Denver International Airport
→
General Edward Lawrence Logan International Airport
2026-11-13 22:42 UTC UAL2793 / UA2793 — 2 kt 180° KLDR → DEN KLDR → DEN Uscg San Diego Heliport
→
Denver International Airport
2026-11-13 17:36 UTC UAL1826 / UA1826 — 1 kt 124° EWR → SAN EWR → SAN Newark Liberty International Airport
→
San Diego International Airport
2026-11-13 04:08 UTC UAL1446 / UA1446 — 1 kt 307° —
2026-11-12 21:10 UTC UAL1917 / UA1917 FL350 480 kt 146° —
2026-11-12 15:48 UTC UAL1241 / UA1241 — 4 kt 3° EUG → DEN EUG → DEN Mahlon Sweet Fld Airport
→
Denver International Airport
2026-11-12 05:04 UTC UAL1303 / UA1303 — 4 kt 166° DEN → EUG DEN → EUG Denver International Airport
→
Mahlon Sweet Fld Airport
2026-11-12 01:08 UTC UAL1925 / UA1925 — 1 kt 0° ORD → YUL ORD → YUL Chicago O'hare International Airport
→
Montreal / Pierre Elliott Trudeau International Airport
2026-11-11 19:54 UTC UAL231 / UA231 FL15 155 kt 175° DEN → CLT DEN → CLT Denver International Airport
→
Charlotte/douglas International Airport
2026-11-11 15:20 UTC UAL550 / UA550 — 2 kt 180° YYC → DEN YYC → DEN Calgary International Airport
→
Denver International Airport
2026-11-11 04:58 UTC UAL720 / UA720 — 1 kt 3° LAS → DEN LAS → DEN Harry Reid International Airport
→
Denver International Airport
2026-11-11 00:10 UTC UAL1698 / UA1698 — 6 kt 17° —
2026-11-10 14:12 UTC UAL1661 / UA1661 FL332 497 kt 134° —
2026-11-10 03:16 UTC UAL1784 / UA1784 — 0 kt 352° EWR → IAD EWR → IAD Newark Liberty International Airport
→
Washington Dulles International Airport
2026-11-10 00:10 UTC UAL1831 / UA1831 — 11 kt 25° ATL → IAD ATL → IAD Hartsfield/jackson Atlanta International Airport
→
Washington Dulles International Airport
2026-11-09 21:36 UTC UAL2250 / UA2250 — 8 kt 115° DFW → IAH DFW → IAH Dallas-fort Worth International Airport
→
George Bush Intcntl/houston Airport
2026-11-09 17:02 UTC UAL1789 / UA1789 — 17 kt 357° IAD → SAT IAD → SAT Washington Dulles International Airport
→
San Antonio International Airport
2026-11-09 05:58 UTC UAL1453 / UA1453 — 10 kt 270° BUR → SFO BUR → SFO Hollywood Burbank Airport
→
San Francisco International Airport
2026-11-08 23:06 UTC UAL1434 / UA1434 — 2 kt 25° IAD → SFO IAD → SFO Washington Dulles International Airport
→
San Francisco International Airport
2026-11-07 10:12 UTC UAL2129 / UA2129 — 14 kt 273° KLDR → IAD KLDR → IAD Uscg San Diego Heliport
→
Washington Dulles International Airport
2026-11-07 04:10 UTC UAL2054 / UA2054 — 1 kt 87° IAD → SAN IAD → SAN Washington Dulles International Airport
→
San Diego International Airport
2026-11-06 21:32 UTC UAL2344 / UA2344 — 1 kt 0° AUS → IAD AUS → IAD Austin-bergstrom International Airport
→
Washington Dulles International Airport
2026-11-06 17:08 UTC UAL637 / UA637 — 1 kt 180° IAD → AUS IAD → AUS Washington Dulles International Airport
→
Austin-bergstrom International Airport
2026-11-06 12:04 UTC UAL1252 / UA1252 — 3 kt 11° IAD → ORD IAD → ORD Washington Dulles International Airport
→
Chicago O'hare International Airport
2026-11-06 04:40 UTC UAL2131 / UA2131 FL9 140 kt 230° ATL → IAD ATL → IAD Hartsfield/jackson Atlanta International Airport
→
Washington Dulles International Airport
2026-11-06 02:00 UTC UAL1385 / UA1385 — 3 kt 172° IAD → LAX IAD → LAX Washington Dulles International Airport
→
Los Angeles International Airport
2026-11-05 22:14 UTC UAL2405 / UA2405 FL1 147 kt 90° —
2026-11-05 15:54 UTC UAL417 / UA417 FL1 158 kt 263° —
2026-11-05 02:20 UTC UAL723 / UA723 FL4 154 kt 270° ORD → ABQ ORD → ABQ Chicago O'hare International Airport
→
Albuquerque International Sunport Airport
2026-11-04 20:52 UTC UAL1598 / UA1598 — 0 kt 250° EWR → BOS EWR → BOS Newark Liberty International Airport
→
General Edward Lawrence Logan International Airport
2026-11-04 18:16 UTC UAL2858 / UA2858 — 11 kt 188° TPA → EWR TPA → EWR Tampa International Airport
→
Newark Liberty International Airport
2026-11-04 14:12 UTC UAL1979 / UA1979 — 1 kt 321° EWR → TPA EWR → TPA Newark Liberty International Airport
→
Tampa International Airport
2026-11-04 10:10 UTC UAL2219 / UA2219 — 1 kt 135° —
2026-11-04 04:18 UTC UAL1543 / UA1543 — 15 kt 270° EWR → SJU EWR → SJU Newark Liberty International Airport
→
Luis Munoz Marin International Airport
2026-11-03 23:26 UTC UAL1667 / UA1667 — 6 kt 169° TPA → EWR TPA → EWR Tampa International Airport
→
Newark Liberty International Airport
2026-11-03 19:28 UTC UAL1273 / UA1273 — 0 kt 8° EWR → TPA EWR → TPA Newark Liberty International Airport
→
Tampa International Airport
2026-11-03 14:40 UTC UAL2120 / UA2120 — 3 kt 236° EWR → DEN EWR → DEN Newark Liberty International Airport
→
Denver International Airport
2026-11-03 04:36 UTC UAL2070 / UA2070 FL3 135 kt 93° IAD → ABQ IAD → ABQ Washington Dulles International Airport
→
Albuquerque International Sunport Airport
2026-11-02 20:18 UTC UAL2433 / UA2433 — 1 kt 186° BOS → ORD BOS → ORD General Edward Lawrence Logan International Airport
→
Chicago O'hare International Airport
2026-11-02 14:48 UTC UAL2034 / UA2034 FL0 154 kt 119° —
2026-11-02 04:18 UTC UAL512 / UA512 FL-5 0 kt 318° —
2026-11-01 23:26 UTC UAL1338 / UA1338 FL0 143 kt 90° —
2026-11-01 18:24 UTC UAL487 / UA487 — 1 kt 169° KAZ3 → EWR KAZ3 → EWR KAZ3
→
Newark Liberty International Airport
2026-11-01 05:46 UTC UAL2609 / UA2609 — 0 kt 208° EWR → PHX EWR → PHX Newark Liberty International Airport
→
Phoenix Sky Harbor International Airport
2026-10-31 22:10 UTC UAL1466 / UA1466 — 17 kt 318° —
2026-10-31 15:54 UTC UAL1921 / UA1921 FL371 470 kt 115° —
2026-10-30 19:16 UTC UAL3876 / UA3876 — 10 kt 321° —
2026-10-27 02:36 UTC UAL1526 / UA1526 — 5 kt 17° —
2026-10-26 19:52 UTC UAL1699 / UA1699 FL370 439 kt 131° —
2026-10-26 14:54 UTC UAL225 / UA225 — 0 kt 183° DEN → PHL DEN → PHL Denver International Airport
→
Philadelphia International Airport
2026-10-26 03:40 UTC UAL719 / UA719 — 1 kt 188° ORD → DEN ORD → DEN Chicago O'hare International Airport
→
Denver International Airport
2026-10-26 00:08 UTC UAL2012 / UA2012 — 4 kt 183° —
2026-10-25 19:08 UTC UAL2762 / UA2762 FL-2 162 kt 94° EUG → ORD EUG → ORD Mahlon Sweet Fld Airport
→
Chicago O'hare International Airport
2026-10-25 14:12 UTC UAL2446 / UA2446 FL101 0 kt 0° DEN → LGA DEN → LGA Denver International Airport
→
Laguardia Airport
2026-10-25 03:40 UTC UAL2028 / UA2028 — 12 kt 31° LGA → DEN LGA → DEN Laguardia Airport
→
Denver International Airport
2026-10-24 22:46 UTC UAL1412 / UA1412 — 2 kt 3° MFR → DEN MFR → DEN Rogue Valley Intl/medford Airport
→
Denver International Airport
2026-10-24 18:34 UTC UAL2322 / UA2322 — 0 kt 250° SFO → MFR SFO → MFR San Francisco International Airport
→
Rogue Valley Intl/medford Airport
2026-10-24 15:58 UTC UAL1030 / UA1030 — 10 kt 28° —
2026-10-24 07:06 UTC UAL1389 / UA1389 — 6 kt 256° DEN → SFO DEN → SFO Denver International Airport
→
San Francisco International Airport
2026-10-24 04:46 UTC UAL1575 / UA1575 — 4 kt 295° DEN → PHL DEN → PHL Denver International Airport
→
Philadelphia International Airport
2026-10-23 21:20 UTC UAL2824 / UA2824 — 10 kt 253° SFO → PHL SFO → PHL San Francisco International Airport
→
Philadelphia International Airport
2026-10-23 14:36 UTC UAL2177 / UA2177 — 3 kt 208° AUS → SFO AUS → SFO Austin-bergstrom International Airport
→
San Francisco International Airport
2026-10-23 05:12 UTC UAL2332 / UA2332 — 11 kt 357° SFO → AUS SFO → AUS San Francisco International Airport
→
Austin-bergstrom International Airport
2026-10-23 00:44 UTC UAL1367 / UA1367 — 2 kt 118° SFO → BUR SFO → BUR San Francisco International Airport
→
Hollywood Burbank Airport
2026-10-22 12:42 UTC UAL215 / UA215 — 11 kt 191° ORD → MSP ORD → MSP Chicago O'hare International Airport
→
Minneapolis-st Paul Intl/wold-chamberlain Airport
2026-10-22 01:30 UTC UAL1124 / UA1124 FL3 150 kt 311° LGA → ORD LGA → ORD Laguardia Airport
→
Chicago O'hare International Airport
2026-10-21 21:58 UTC UAL2835 / UA2835 — 13 kt 90° SEA → ORD SEA → ORD Seattle-tacoma International Airport
→
Chicago O'hare International Airport
2026-10-21 17:26 UTC UAL1330 / UA1330 — 8 kt 0° EWR → SEA EWR → SEA Newark Liberty International Airport
→
Seattle-tacoma International Airport
2026-10-19 23:28 UTC UAL2796 / UA2796 — 3 kt 186° KAZ3 → EWR KAZ3 → EWR KAZ3
→
Newark Liberty International Airport
2026-10-19 17:34 UTC UAL709 / UA709 — 2 kt 219° IAD → PHX IAD → PHX Washington Dulles International Airport
→
Phoenix Sky Harbor International Airport
2026-10-19 09:36 UTC UAL705 / UA705 — 10 kt 90° SFO → IAD SFO → IAD San Francisco International Airport
→
Washington Dulles International Airport
2026-10-19 02:56 UTC UAL2607 / UA2607 — 13 kt 118° —
2026-10-18 21:40 UTC UAL1259 / UA1259 FL3 155 kt 90° —
2026-10-18 16:44 UTC UAL1712 / UA1712 — 1 kt 28° CUN → EWR CUN → EWR Cancún International Airport
→
Newark Liberty International Airport
2026-10-18 09:16 UTC UAL1702 / UA1702 — 1 kt 273° SFO → TPA SFO → TPA San Francisco International Airport
→
Tampa International Airport
2026-10-18 01:42 UTC UAL796 / UA796 — 1 kt 217° IAD → SFO IAD → SFO Washington Dulles International Airport
→
San Francisco International Airport
2026-10-17 01:30 UTC UAL1370 / UA1370 — 4 kt 352° TPA → IAD TPA → IAD Tampa International Airport
→
Washington Dulles International Airport
2026-10-16 22:08 UTC UAL392 / UA392 — 1 kt 301° EUG → ORD EUG → ORD Mahlon Sweet Fld Airport
→
Chicago O'hare International Airport
2026-10-16 15:08 UTC UAL2373 / UA2373 FL2 150 kt 83° —

Live location data from OpenSky Network

Airframe Info
Manufacturer Boeing
Model 737 MAX 9 Search all Boeing 737 MAX 9
Year built 2025
Construction Number (C/N) 67744
Line Number (L/N) 9422
Aircraft Type Fixed wing multi engine
Number of Seats 179
Number of Engines 2
Engine Type Turbofan
Engine Manufacturer and Model CFM International LEAP-1B28 SER
Aircraft
Registration Number N17421
Alternative Code/Name A12AC1
Mode S (ICAO24) Code a12ac1
Certification Class Standard
Certification Issued 2025-12-29
Air Worthiness Test 2025-12-22
Last Action Taken 2025-12-29
Current Status Valid
Delivery Date 2025-12-20
Owner
Registration Type Corporation
Owner UNITED AIRLINES INC
Address Chicago, IL 606067147
United States
Region Great Lakes