N121SY — 2014 Embraer 175LR (ERJ-170-200LR) Data

N121SY
2014 Embraer 175LR (ERJ-170-200LR), c/n 17000430
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N121SY is a 2014 Embraer 175LR (ERJ-170-200LR) (serial number 17000430). It is configured with 2 engines and 80 seats. Registration status is listed as Valid, with ownership recorded under SKYWEST AIRLINES INC in St George, UT, United States. The profile includes 23 photos documenting this aircraft.

Latest photos of N121SY
Aircraft N121SY, ERJ-170-200LR, at KICT, photo by Mark Pasqualino
Mark Pasqualino
@ KICT
Aircraft N121SY, E75L SkyWest/United Express EMBRAER 175 N121SY SKW5376 ORD-LEX, departing 22L ORD, at KORD, photo by Mark Kalfas
Mark Kalfas
@ KORD
Aircraft N121SY, E75L SkyWest/United Express EMBRAER 175 N121SY SKW5214 ORD-ROC, at KORD, photo by Mark Kalfas
Mark Kalfas
@ KORD
Aircraft N121SY, SKW/UE E175 zx, at KORD, photo by Florida Metal
Florida Metal
@ KORD
Recent Routes
NO LIVE DATA SkyWest
Time Callsign FL Speed Heading Route
2026-10-28 10:12 UTC SKW5228 / OO5228 — 0 kt 267° ORD → LNK ORD → LNK Chicago O'hare International Airport
→
Lincoln Airport
2026-10-27 20:38 UTC SKW5443 / OO5443 — 18 kt 62° —
2026-10-27 18:18 UTC SKW5406 / OO5406 FL5 132 kt 81° —
2026-10-27 16:52 UTC SKW5603 / OO5603 FL4 19 kt 62° —
2026-10-27 14:42 UTC SKW5741 / OO5741 FL57 176 kt 256° DEN → SLC DEN → SLC Denver International Airport
→
Salt Lake City International Airport
2026-10-27 12:32 UTC SKW5661 / OO5661 — 12 kt 3° —
2026-10-27 01:26 UTC SKW5646 / OO5646 FL1 139 kt 147° DEN → SLC DEN → SLC Denver International Airport
→
Salt Lake City International Airport
2026-10-26 22:04 UTC SKW4644 / OO4644 — 19 kt 62° —
2026-10-26 06:00 UTC SKW5290 / OO5290 FL30 123 kt 115° —
2026-10-26 01:12 UTC SKW5967 / OO5967 — 8 kt 270° —
2026-10-25 21:52 UTC SKW5676 / OO5676 FL14 168 kt 211° —
2026-10-25 15:40 UTC SKW6015 / OO6015 — 18 kt 90° —
2026-10-25 03:18 UTC SKW4774 / OO4774 FL4 121 kt 188° TUS → ORD TUS → ORD Tucson International Airport
→
Chicago O'hare International Airport
2026-10-24 23:34 UTC SKW5450 / OO5450 FL1 121 kt 90° —
2026-10-24 21:44 UTC SKW5760 / OO5760 — 8 kt 225° DEN → LIT DEN → LIT Denver International Airport
→
Bill And Hillary Clinton Ntl/adams Fld Airport
2026-10-24 18:48 UTC SKW5787 / OO5787 — 6 kt 180° —
2026-10-24 06:42 UTC SKW5738 / OO5738 FL68 270 kt 130° —
2026-10-24 04:48 UTC SKW5339 / OO5339 — 0 kt 219° —
2026-10-24 01:12 UTC SKW5597 / OO5597 FL1 122 kt 208° SFO → K10C SFO → K10C San Francisco International Airport
→
Galt Fld Airport
2026-10-23 22:42 UTC SKW5938 / OO5938 — 4 kt 155° —
2026-10-23 20:06 UTC SKW4701 / OO4701 FL22 172 kt 61° —
2026-10-23 16:54 UTC SKW5898 / OO5898 — 5 kt 0° —
2026-10-23 01:52 UTC SKW5886 / OO5886 — 13 kt 203° DEN → SGF DEN → SGF Denver International Airport
→
Springfield-branson Ntl Airport
2026-10-22 23:14 UTC SKW6038 / OO6038 — 0 kt 180° RDD → DEN RDD → DEN Redding Regional Airport
→
Denver International Airport
2026-10-22 20:02 UTC SKW416H / OO416H — 0 kt 315° SFO → RDD SFO → RDD San Francisco International Airport
→
Redding Regional Airport
2026-10-22 17:50 UTC SKW6052 / OO6052 — 1 kt 298° —
2026-10-22 03:06 UTC SKW5705 / OO5705 FL106 269 kt 144° —
2026-10-22 00:54 UTC SKW5577 / OO5577 — 3 kt 155° —
2026-10-21 20:52 UTC SKW5803 / OO5803 FL138 328 kt 28° SFO → 97MT SFO → 97MT San Francisco International Airport
→
Cabin Creek Landing Airport
2026-10-21 18:08 UTC SKW5616 / OO5616 — 0 kt 225° —
2026-10-21 15:52 UTC SKW5405 / OO5405 FL1 134 kt 208° —
2026-10-20 22:30 UTC SKW5452 / OO5452 — 0 kt 188° RDD → SFO RDD → SFO Redding Regional Airport
→
San Francisco International Airport
2026-10-20 20:14 UTC SKW310M / OO310M — 0 kt 315° DEN → RDD DEN → RDD Denver International Airport
→
Redding Regional Airport
2026-10-20 16:40 UTC SKW6028 / OO6028 FL51 4 kt 340° —
2026-10-20 01:50 UTC SKW560P / OO560P FL4 132 kt 72° —
2026-10-19 20:22 UTC SKW4807 / OO4807 — 2 kt 0° —
2026-10-19 17:22 UTC SKW5333 / OO5333 FL45 162 kt 165° —
2026-10-19 14:08 UTC SKW5794 / OO5794 — 1 kt 0° —
2026-10-19 03:02 UTC SKW5364 / OO5364 FL28 125 kt 175° —
2026-10-18 23:50 UTC SKW5666 / OO5666 — 12 kt 180° —
2026-10-18 21:00 UTC SKW4722 / OO4722 FL160 372 kt 291° DEN → WY33 DEN → WY33 Denver International Airport
→
Mountain King Ranch Airport
2026-10-18 18:40 UTC SKW5685 / OO5685 — 11 kt 233° —
2026-10-18 15:02 UTC SKW5293 / OO5293 FL370 446 kt 1° —
2026-10-18 12:50 UTC SKW5397 / OO5397 — 5 kt 17° —
2026-10-18 04:32 UTC SKW5598 / OO5598 FL6 126 kt 41° —
2026-10-18 01:50 UTC SKW5446 / OO5446 — 0 kt 180° ABQ → DEN ABQ → DEN Albuquerque International Sunport Airport
→
Denver International Airport
2026-10-17 23:08 UTC SKW4728 / OO4728 — 4 kt 0° DEN → ABQ DEN → ABQ Denver International Airport
→
Albuquerque International Sunport Airport
2026-10-17 20:46 UTC SKW4686 / OO4686 — 6 kt 180° LIT → DEN LIT → DEN Bill And Hillary Clinton Ntl/adams Fld Airport
→
Denver International Airport
2026-10-17 17:48 UTC SKW5369 / OO5369 — 9 kt 267° DEN → LIT DEN → LIT Denver International Airport
→
Bill And Hillary Clinton Ntl/adams Fld Airport
2026-10-17 14:38 UTC SKW4706 / OO4706 — 12 kt 180° —
2026-10-17 02:14 UTC SKW391V / OO391V FL330 443 kt 300° —
2026-10-16 12:54 UTC SKW4641 / OO4641 FL159 324 kt 28° —
2026-10-16 03:30 UTC SKW541T / OO541T FL220 437 kt 223° —
2026-10-16 01:36 UTC SKW5316 / OO5316 — 0 kt 0° ABQ → DEN ABQ → DEN Albuquerque International Sunport Airport
→
Denver International Airport
2026-10-15 21:34 UTC SKW4736 / OO4736 FL320 500 kt 264° —
2026-10-13 01:16 UTC SKW5985 / OO5985 — 0 kt 225° PHX → SFO PHX → SFO Phoenix Sky Harbor International Airport
→
San Francisco International Airport
2026-10-12 21:58 UTC SKW5460 / OO5460 — 1 kt 270° SFO → PHX SFO → PHX San Francisco International Airport
→
Phoenix Sky Harbor International Airport
2026-10-12 18:08 UTC SKW5831 / OO5831 — 1 kt 298° SBA → SFO SBA → SFO Santa Barbara Municipal Airport
→
San Francisco International Airport
2026-10-12 03:30 UTC SKW5806 / OO5806 — 0 kt 132° SFO → SBA SFO → SBA San Francisco International Airport
→
Santa Barbara Municipal Airport
2026-10-10 05:58 UTC SKW5415 / OO5415 — 0 kt 219° SEA → SFO SEA → SFO Seattle-tacoma International Airport
→
San Francisco International Airport
2026-10-10 02:50 UTC SKW6047 / OO6047 — 15 kt 93° —
2026-10-09 22:34 UTC SKW5523 / OO5523 — 25 kt 174° MRY → LAX MRY → LAX Monterey Regional Airport
→
Los Angeles International Airport
2026-10-09 20:12 UTC SKW5438 / OO5438 FL57 235 kt 266° DEN → MRY DEN → MRY Denver International Airport
→
Monterey Regional Airport
2026-10-04 01:58 UTC SKW5349 / OO5349 — 0 kt 219° —
2026-10-03 23:50 UTC SKW5978 / OO5978 FL114 198 kt 291° DEN → 9CA7 DEN → 9CA7 Denver International Airport
→
Harris River Ranch Airport
2026-10-03 05:24 UTC SKW5272 / OO5272 — 1 kt 290° BUR → SFO BUR → SFO Hollywood Burbank Airport
→
San Francisco International Airport
2026-10-03 03:06 UTC SKW5318 / OO5318 — 8 kt 45° SFO → BUR SFO → BUR San Francisco International Airport
→
Hollywood Burbank Airport
2026-10-03 00:26 UTC SKW5483 / OO5483 — 3 kt 155° —
2026-10-02 22:04 UTC SKW5571 / OO5571 FL12 141 kt 270° —
2026-09-30 22:32 UTC SKW4721 / OO4721 — 8 kt 3° —
2026-09-30 19:24 UTC SKW5214 / OO5214 FL40 245 kt 4° —
2026-09-30 16:00 UTC SKW4639 / OO4639 — 2 kt 290° —
2026-09-30 05:24 UTC SKW6027 / OO6027 FL31 136 kt 295° —
2026-09-30 02:42 UTC SKW5631 / OO5631 — 0 kt 298° —
2026-09-29 23:46 UTC SKW305G / OO305G FL168 349 kt 222° DEN → 73CL DEN → 73CL Denver International Airport
→
Julian Hinds Pump Plant Airstrip Airport
2026-09-29 02:30 UTC SKW4732 / OO4732 FL37 119 kt 175° —
2026-09-28 23:24 UTC SKW5393 / OO5393 — 1 kt 180° HSV → DEN HSV → DEN Huntsville Intl-carl T Jones Fld Airport
→
Denver International Airport
2026-09-28 18:42 UTC SKW5514 / OO5514 FL8 144 kt 0° DEN → HSV DEN → HSV Denver International Airport
→
Huntsville Intl-carl T Jones Fld Airport

Live location data from OpenSky Network

Airframe Info
Manufacturer Embraer
Model 175LR (ERJ-170-200LR) Search all Embraer 175LR (ERJ-170-200LR)
Year built 2014
Construction Number (C/N) 17000430
Aircraft Type Fixed wing multi engine
Number of Seats 80
Number of Engines 2
Engine Type Turbofan
Engine Manufacturer and Model General Electric CF-34-8E
Aircraft
Registration Number N121SY
Mode S (ICAO24) Code a05910
Certification Class Standard
Certification Issued 2014-10-09
Air Worthiness Test 2014-10-10
Last Action Taken 2023-03-24
Current Status Valid
Delivery Date 2014-10-10
Owner
Registration Type Corporation
Owner SKYWEST AIRLINES INC
Address St George, UT 847902085
United States
Region Northwest Mountain