Aircraft N121SY Data

N121SY
2014 Embraer 175LR (ERJ-170-200LR), c/n 17000430
Share Photo Links
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
2026-10-07 23:02 UTC SKW5938 / OO5938 — 0 kt 121° —
2026-10-07 19:54 UTC SKW4701 / OO4701 FL27 192 kt 124° —
2026-10-07 16:22 UTC SKW5898 / OO5898 — 13 kt 169° —
2026-10-07 01:22 UTC SKW5886 / OO5886 FL30 158 kt 142° —
2026-10-06 22:24 UTC SKW6038 / OO6038 — 5 kt 0° RDD → DEN RDD → DEN Redding Regional Airport
→
Denver International Airport
2026-10-06 19:14 UTC SKW416H / OO416H — 0 kt 315° SFO → RDD SFO → RDD San Francisco International Airport
→
Redding Regional Airport
2026-10-06 17:32 UTC SKW6052 / OO6052 — 1 kt 290° —
2026-10-06 02:58 UTC SKW5705 / OO5705 FL96 268 kt 137° —
2026-10-06 00:38 UTC SKW5577 / OO5577 — 0 kt 290° —
2026-10-05 21:32 UTC SKW5803 / OO5803 FL135 322 kt 29° SFO → 97MT SFO → 97MT San Francisco International Airport
→
Cabin Creek Landing Airport
2026-10-05 18:04 UTC SKW5831 / OO5831 — 0 kt 290° SBA → SFO SBA → SFO Santa Barbara Municipal Airport
→
San Francisco International Airport
2026-10-05 03:16 UTC SKW5806 / OO5806 — 0 kt 132° SFO → SBA SFO → SBA San Francisco International Airport
→
Santa Barbara Municipal Airport
2026-10-05 00:36 UTC SKW5985 / OO5985 — 0 kt 219° PHX → SFO PHX → SFO Phoenix Sky Harbor International Airport
→
San Francisco International Airport
2026-10-04 21:28 UTC SKW5460 / OO5460 — 4 kt 270° SFO → PHX SFO → PHX San Francisco International Airport
→
Phoenix Sky Harbor International Airport
2026-10-04 18:26 UTC SKW5616 / OO5616 — 0 kt 290° —
2026-10-04 15:46 UTC SKW5405 / OO5405 FL1 124 kt 208° —
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 18:12 UTC SKW5787 / OO5787 — 0 kt 180° —
2026-10-03 08:14 UTC SKW5738 / OO5738 FL62 278 kt 132° —
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° —
2026-10-03 00:26 UTC SKW5483 / OO5483 — 3 kt 155° —
2026-10-02 22:04 UTC SKW5571 / OO5571 FL12 141 kt 270° LAX → ID52 LAX → ID52 Los Angeles International Airport
→
40 Acre Airstrip Airport
2026-10-02 05:54 UTC SKW5415 / OO5415 — 4 kt 273° SEA → SFO SEA → SFO Seattle-tacoma International Airport
→
San Francisco International Airport
2026-10-02 02:46 UTC SKW6047 / OO6047 — 19 kt 101° —
2026-10-01 22:06 UTC SKW5523 / OO5523 — 0 kt 225° —
2026-10-01 19:34 UTC SKW5438 / OO5438 FL58 208 kt 249° —
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° —
2026-09-29 20:44 UTC SKW4686 / OO4686 — 3 kt 180° LIT → DEN LIT → DEN Bill And Hillary Clinton Ntl/adams Fld Airport
→
Denver International Airport
2026-09-29 17:24 UTC SKW5369 / OO5369 FL126 345 kt 133° DEN → LIT DEN → LIT Denver International Airport
→
Bill And Hillary Clinton Ntl/adams Fld Airport
2026-09-29 14:08 UTC SKW5794 / OO5794 — 5 kt 180° —
2026-09-29 02:30 UTC SKW4732 / OO4732 FL37 119 kt 175° —
2026-09-28 23:24 UTC SKW5393 / OO5393 — 1 kt 180° —
2026-09-28 18:42 UTC SKW5514 / OO5514 FL8 144 kt 0° —
2026-09-27 23:54 UTC SKW5509 / OO5509 — 9 kt 180° —
2026-09-27 20:38 UTC SKW5765 / OO5765 FL5 146 kt 323° —
2026-09-27 17:38 UTC SKW5223 / OO5223 FL4 137 kt 90° —
2026-09-27 02:52 UTC SKW5242 / OO5242 — 0 kt 31° —
2026-09-26 23:34 UTC SKW4700 / OO4700 FL5 127 kt 90° DFW → SFO DFW → SFO Dallas-fort Worth International Airport
→
San Francisco International Airport
2026-09-26 19:44 UTC SKW4788 / OO4788 FL7 138 kt 275° —
2026-09-26 14:48 UTC SKW5284 / OO5284 FL3 132 kt 90° —
2026-09-26 00:42 UTC SKW5283 / OO5283 FL297 458 kt 207° —
2026-09-25 20:52 UTC SKW5255 / OO5255 FL3 133 kt 90° —
2026-09-25 17:28 UTC SKW5254 / OO5254 FL340 472 kt 237° —
2026-09-25 12:58 UTC SKW5373 / OO5373 FL2 122 kt 90° —
2026-09-25 00:58 UTC SKW5372 / OO5372 FL320 409 kt 225° —
2026-09-24 22:00 UTC SKW5798 / OO5798 FL5 135 kt 90° —
2026-09-24 19:34 UTC SKW5414 / OO5414 FL7 131 kt 360° —
2026-09-24 16:30 UTC SKW5672 / OO5672 FL4 132 kt 90° —
2026-09-24 14:14 UTC SKW5722 / OO5722 FL7 125 kt 359° —
2026-09-24 11:14 UTC SKW5633 / OO5633 FL2 126 kt 89° LEX → ORD LEX → ORD Blue Grass Airport
→
Chicago O'hare International Airport
2026-09-24 02:54 UTC SKW5639 / OO5639 FL36 132 kt 174° YWG → ORD YWG → ORD Winnipeg / James Armstrong Richardson International Airport
→
Chicago O'hare International Airport
2026-09-24 00:32 UTC SKW5914 / OO5914 — 4 kt 0° —
2026-09-23 21:26 UTC SKW5311 / OO5311 FL28 141 kt 3° —
2026-09-23 18:48 UTC SKW5484 / OO5484 — 11 kt 121° —
2026-09-23 14:54 UTC SKW723Z / OO723Z FL360 409 kt 310° DEN → KU05 DEN → KU05 Denver International Airport
→
Riddick Fld Airport
2026-09-23 12:48 UTC SKW5988 / OO5988 — 6 kt 79° ABQ → DEN ABQ → DEN Albuquerque International Sunport Airport
→
Denver International Airport
2026-09-23 05:04 UTC SKW5880 / OO5880 — 1 kt 194° DEN → ABQ DEN → ABQ Denver International Airport
→
Albuquerque International Sunport Airport
2026-09-23 01:24 UTC SKW5849 / OO5849 — 6 kt 90° —
2026-09-22 20:56 UTC SKW5535 / OO5535 FL360 417 kt 313° —
2026-09-22 18:12 UTC SKW5558 / OO5558 — 20 kt 0° OKC → DEN OKC → DEN Okc Will Rogers International Airport
→
Denver International Airport
2026-09-22 15:38 UTC SKW6029 / OO6029 — 0 kt 177° DEN → OKC DEN → OKC Denver International Airport
→
Okc Will Rogers International Airport
2026-09-22 12:46 UTC SKW5927 / OO5927 — 4 kt 183° MSN → DEN MSN → DEN Dane County Rgnl/truax Fld Airport
→
Denver International Airport
2026-09-22 04:40 UTC SKW5592 / OO5592 — 10 kt 253° DEN → MSN DEN → MSN Denver International Airport
→
Dane County Rgnl/truax Fld Airport
2026-09-22 01:12 UTC SKW4803 / OO4803 — 4 kt 180° GEG → DEN GEG → DEN Spokane International Airport
→
Denver International Airport
2026-09-21 21:54 UTC SKW4722 / OO4722 — 19 kt 225° DEN → GEG DEN → GEG Denver International Airport
→
Spokane International Airport
2026-09-21 12:36 UTC SKW5683 / OO5683 — 0 kt 180° SLC → DEN SLC → DEN Salt Lake City International Airport
→
Denver International Airport
2026-09-21 01:30 UTC SKW413P / OO413P — 10 kt 264° —
2026-09-20 22:22 UTC SKW5307 / OO5307 — 19 kt 174° —
2026-09-20 19:56 UTC SKW5655 / OO5655 FL92 287 kt 226° DEN → 77CL DEN → 77CL Denver International Airport
→
Baker & Hall Airport
2026-09-20 14:02 UTC SKW4660 / OO4660 — 17 kt 90° —
2026-09-20 04:14 UTC SKW4705 / OO4705 FL340 486 kt 322° —
2026-09-20 02:42 UTC SKW5429 / OO5429 — 5 kt 180° LIT → DEN LIT → DEN Bill And Hillary Clinton Ntl/adams Fld Airport
→
Denver International Airport
2026-09-19 21:52 UTC SKW5681 / OO5681 FL208 409 kt 30° —
2026-09-19 17:46 UTC SKW4735 / OO4735 FL5 144 kt 89° —
2026-09-19 15:28 UTC SKW4756 / OO4756 — 18 kt 270° —
2026-09-19 00:02 UTC SKW5450 / OO5450 FL4 123 kt 90° —
2026-09-18 21:52 UTC SKW5760 / OO5760 FL124 359 kt 132° DEN → LIT DEN → LIT Denver International Airport
→
Bill And Hillary Clinton Ntl/adams Fld Airport
2026-09-18 18:26 UTC SKW5276 / OO5276 — 0 kt 180° —
2026-09-18 16:00 UTC SKW5795 / OO5795 FL9 136 kt 184° —
2026-09-18 13:12 UTC SKW5699 / OO5699 — 17 kt 90° —
2026-09-18 02:20 UTC SKW525Y / OO525Y FL52 254 kt 109° —
2026-09-17 23:02 UTC SKW5309 / OO5309 — 13 kt 90° —
2026-09-17 17:14 UTC SKW5997 / OO5997 FL26 195 kt 206° —
2026-09-17 01:48 UTC SKW5566 / OO5566 — 0 kt 90° —
2026-09-16 15:14 UTC SKW5586 / OO5586 — 19 kt 17° ORD → BNA ORD → BNA Chicago O'hare International Airport
→
Nashville International Airport
2026-09-16 12:26 UTC SKW5680 / OO5680 FL5 132 kt 90° —
2026-09-16 01:12 UTC SKW5733 / OO5733 — 20 kt 25° PDX → SFO PDX → SFO Portland International Airport
→
San Francisco International Airport
2026-09-15 21:12 UTC SKW5466 / OO5466 FL8 130 kt 270° YWG → ORD YWG → ORD Winnipeg / James Armstrong Richardson International Airport
→
Chicago O'hare International Airport
2026-09-15 18:00 UTC SKW5475 / OO5475 — 5 kt 197° —
2026-09-15 13:16 UTC SKW5833 / OO5833 FL7 132 kt 270° —
2026-09-14 23:58 UTC SKW5821 / OO5821 FL58 248 kt 28° —
2026-09-14 21:40 UTC SKW5610 / OO5610 — 12 kt 62° —
2026-09-14 18:36 UTC SKW5396 / OO5396 FL11 133 kt 184° —
2026-09-14 15:12 UTC SKW5241 / OO5241 FL4 138 kt 270° —
2026-09-14 02:50 UTC SKW5260 / OO5260 FL300 416 kt 202° —
2026-09-13 22:50 UTC SKW5236 / OO5236 FL4 146 kt 90° —
2026-09-13 19:08 UTC SKW5235 / OO5235 FL320 465 kt 218° —
2026-09-12 23:16 UTC SKW4667 / OO4667 FL3 122 kt 90° ABE → ORD ABE → ORD Lehigh Valley International Airport
→
Chicago O'hare International Airport
2026-09-12 20:56 UTC SKW5329 / OO5329 FL16 137 kt 235° —
2026-09-12 18:20 UTC SKW5399 / OO5399 FL5 137 kt 270° —
2026-09-12 15:02 UTC SKW430X / OO430X — 13 kt 45° —
2026-09-12 11:06 UTC SKW5567 / OO5567 FL5 129 kt 270° —
2026-09-12 03:34 UTC SKW4653 / OO4653 — 8 kt 25° BFL → SFO BFL → SFO Meadows Fld Airport
→
San Francisco International Airport
2026-09-11 21:50 UTC SKW5282 / OO5282 FL8 126 kt 188° —
2026-09-11 18:18 UTC SKW5589 / OO5589 FL5 135 kt 270° —
2026-09-11 15:02 UTC SKW5582 / OO5582 — 0 kt 205° —
2026-09-11 11:12 UTC SKW5359 / OO5359 FL4 144 kt 90° —
2026-09-10 23:06 UTC SKW4793 / OO4793 — 3 kt 90° DEN → COS DEN → COS Denver International Airport
→
City Of Colorado Springs Municipal Airport
2026-09-10 20:52 UTC SKW4718 / OO4718 — 10 kt 270° DEN → ABQ DEN → ABQ Denver International Airport
→
Albuquerque International Sunport Airport
2026-09-10 18:04 UTC SKW4673 / OO4673 — 4 kt 0° —
2026-09-10 14:44 UTC SKW4725 / OO4725 FL340 428 kt 311° DEN → RIW DEN → RIW Denver International Airport
→
Central Wyoming Regional Airport
2026-09-10 12:32 UTC SKW5552 / OO5552 — 6 kt 304° STL → DEN STL → DEN St Louis Lambert International Airport
→
Denver International Airport
2026-09-10 04:28 UTC SKW4778 / OO4778 — 0 kt 155° DEN → STL DEN → STL Denver International Airport
→
St Louis Lambert International Airport
2026-09-08 22:10 UTC SKW351T / OO351T FL9 148 kt 209° DEN → MSN DEN → MSN Denver International Airport
→
Dane County Rgnl/truax Fld Airport
2026-09-08 12:30 UTC SKW5490 / OO5490 — 0 kt 180° OKC → DEN OKC → DEN Okc Will Rogers International Airport
→
Denver International Airport
2026-09-08 05:02 UTC SKW4741 / OO4741 FL8 131 kt 132° —

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