N21129 — 2003 Embraer ERJ-145XR (EMB-145XR) Data
1
aircraft record found
N21129
2003 Embraer ERJ-145XR (EMB-145XR), c/n 145703
N21129 is a 2003 Embraer ERJ-145XR (EMB-145XR) (serial number 145703). It is configured with 2 engines and 55 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 N21129
Ronald Barker
@ KORD
Mark Pasqualino
@ KORD
Florida Metal
@ ATL
Helicopterfriend
@ MCI
Recent Routes
| Time | Callsign | FL | Speed | Heading | Route |
|---|---|---|---|---|---|
| 2026-10-28 14:50 UTC | UCA4255 / C54255 | FL146 | 342 kt | 171° | — |
| 2026-10-28 13:44 UTC | UCA4248 / C54248 | FL5 | 129 kt | 224° | — |
| 2026-10-28 01:06 UTC | UCA4351 / C54351 | FL0 | 136 kt | 0° | — |
| 2026-10-27 21:10 UTC | UCA4946 / C54946 | FL5 | 139 kt | 182° | — |
| 2026-10-27 18:20 UTC | UCA4830 / C54830 | FL4 | 130 kt | 90° | — |
| 2026-10-27 15:50 UTC | UCA4371 / C54371 | FL-1 | 101 kt | 46° | — |
| 2026-10-27 02:06 UTC | UCA4246 / C54246 | FL2 | 130 kt | 90° | — |
| 2026-10-27 00:16 UTC | UCA5004 / C55004 | FL27 | 266 kt | 28° | — |
| 2026-10-26 22:00 UTC | UCA4956 / C54956 | FL3 | 141 kt | 90° | — |
| 2026-10-26 19:06 UTC | UCA4337 / C54337 | FL-1 | 136 kt | 347° | — |
| 2026-10-25 23:26 UTC | UCA4340 / C54340 | FL2 | 130 kt | 90° | — |
| 2026-10-25 20:44 UTC | UCA4344 / C54344 | FL42 | 267 kt | 221° | — |
| 2026-10-25 17:20 UTC | UCA4336 / C54336 | FL0 | 128 kt | 90° | — |
| 2026-10-25 15:30 UTC | UCA4362 / C54362 | FL32 | 223 kt | 190° | — |
| 2026-10-25 13:24 UTC | UCA4232 / C54232 | FL1 | 122 kt | 90° | — |
| 2026-10-25 04:14 UTC | UCA4919 / C54919 | FL24 | 203 kt | 180° | — |
| 2026-10-24 22:22 UTC | UCA4997 / C54997 | FL4 | 136 kt | 91° | — |
| 2026-10-24 20:22 UTC | UCA4836 / C54836 | FL0 | 133 kt | 44° | — |
| 2026-10-24 15:34 UTC | UCA4838 / C54838 | FL2 | 132 kt | 90° | — |
| 2026-10-24 01:34 UTC | UCA4367 / C54367 | FL14 | 133 kt | 201° |
ROC → IAD
ROC
→
IAD
Frederick Douglass/greater Rochester International Airport → Washington Dulles International Airport |
| 2026-10-23 18:42 UTC | UCA4934 / C54934 | FL4 | 149 kt | 271° | — |
| 2026-10-23 15:22 UTC | UCA4279 / C54279 | FL80 | 259 kt | 73° | — |
| 2026-10-23 13:26 UTC | UCA4346 / C54346 | FL-1 | 130 kt | 270° | — |
| 2026-10-22 22:46 UTC | UCA4832 / C54832 | FL71 | 288 kt | 218° | — |
| 2026-10-22 20:50 UTC | UCA4243 / C54243 | FL2 | 140 kt | 90° | — |
| 2026-10-22 18:14 UTC | UCA4272 / C54272 | FL13 | 197 kt | 69° | — |
| 2026-10-22 13:52 UTC | UCA3262 / C53262 | FL54 | 275 kt | 186° | — |
| 2026-10-22 11:08 UTC | UCA4363 / C54363 | FL0 | 129 kt | 90° | — |
| 2026-10-21 17:36 UTC | UCA4258 / C54258 | FL3 | 132 kt | 90° | — |
| 2026-10-21 14:38 UTC | UCA4293 / C54293 | FL0 | 139 kt | 348° | — |
| 2026-10-20 18:18 UTC | UCA4837 / C54837 | FL1 | 132 kt | 90° | — |
| 2026-10-19 21:34 UTC | UCA4816 / C54816 | FL4 | 136 kt | 90° | — |
| 2026-10-19 19:02 UTC | UCA4817 / C54817 | FL145 | 365 kt | 305° |
IAH → 5TA4
IAH
→
5TA4
George Bush Intcntl/houston Airport → 5TA4 |
| 2026-10-19 15:18 UTC | UCA4224 / C54224 | FL4 | 132 kt | 90° | — |
| 2026-10-19 03:02 UTC | UCA4839 / C54839 | FL123 | 321 kt | 313° | — |
| 2026-10-18 21:50 UTC | UCA4984 / C54984 | FL3 | 137 kt | 90° | — |
| 2026-10-18 20:04 UTC | UCA4375 / C54375 | FL82 | 280 kt | 82° |
IAH → KORG
IAH
→
KORG
George Bush Intcntl/houston Airport → Orange County Airport |
| 2026-10-18 18:22 UTC | UCA4245 / C54245 | FL2 | 136 kt | 90° | — |
| 2026-10-18 15:50 UTC | UCA4347 / C54347 | FL183 | 414 kt | 73° |
IAH → MS59
IAH
→
MS59
George Bush Intcntl/houston Airport → Valley Of The Moon Airport |
| 2026-10-18 13:38 UTC | UCA4301 / C54301 | FL-1 | 125 kt | 90° | — |
| 2026-10-17 22:30 UTC | UCA4811 / C54811 | FL4 | 126 kt | 39° | — |
| 2026-10-17 00:30 UTC | UCA4313 / C54313 | FL42 | 278 kt | 204° | — |
| 2026-10-16 21:32 UTC | UCA4352 / C54352 | FL3 | 149 kt | 270° | — |
| 2026-10-16 18:46 UTC | UCA4969 / C54969 | FL42 | 269 kt | 145° | — |
| 2026-10-16 13:16 UTC | UCA4318 / C54318 | FL4 | 138 kt | 270° | — |
| 2026-10-16 02:42 UTC | UCA4320 / C54320 | FL139 | 360 kt | 73° | — |
| 2026-10-08 23:04 UTC | UCA4978 / C54978 | FL6 | 133 kt | 90° | — |
| 2026-10-08 20:36 UTC | UCA4280 / C54280 | FL44 | 144 kt | 90° | — |
| 2026-10-08 18:18 UTC | UCA4827 / C54827 | FL5 | 133 kt | 90° | — |
| 2026-10-08 16:00 UTC | UCA4821 / C54821 | FL139 | 363 kt | 307° |
IAH → 5TA4
IAH
→
5TA4
George Bush Intcntl/houston Airport → 5TA4 |
| 2026-10-08 13:16 UTC | UCA4330 / C54330 | FL5 | 134 kt | 90° | — |
| 2026-10-08 01:32 UTC | UCA4985 / C54985 | FL83 | 274 kt | 74° | — |
| 2026-10-07 23:12 UTC | UCA4893 / C54893 | FL7 | 128 kt | 90° | — |
| 2026-10-07 19:46 UTC | UCA4315 / C54315 | FL9 | 141 kt | 181° | — |
| 2026-10-07 15:34 UTC | UCA4228 / C54228 | FL4 | 136 kt | 90° | — |
| 2026-10-07 02:20 UTC | UCA4286 / C54286 | FL40 | 143 kt | 226° | — |
| 2026-10-06 01:18 UTC | UCA4254 / C54254 | FL3 | 128 kt | 90° | — |
| 2026-10-05 22:42 UTC | UCA4341 / C54341 | FL36 | 278 kt | 201° | — |
| 2026-10-05 20:16 UTC | UCA4374 / C54374 | FL3 | 131 kt | 91° | — |
| 2026-10-05 18:24 UTC | UCA4904 / C54904 | — | 13 kt | 76° | — |
| 2026-10-05 15:44 UTC | UCA4270 / C54270 | FL2 | 136 kt | 90° |
IAD → ROC
IAD
→
ROC
Washington Dulles International Airport → Frederick Douglass/greater Rochester International Airport |
| 2026-10-05 13:28 UTC | UCA4269 / C54269 | FL2 | 126 kt | 43° |
ROC → IAD
ROC
→
IAD
Frederick Douglass/greater Rochester International Airport → Washington Dulles International Airport |
| 2026-10-04 22:54 UTC | UCA4365 / C54365 | FL3 | 131 kt | 90° | — |
| 2026-10-04 20:36 UTC | UCA4929 / C54929 | FL52 | 272 kt | 184° | — |
| 2026-10-03 21:50 UTC | UCA4256 / C54256 | FL6 | 133 kt | 90° | — |
| 2026-10-03 18:42 UTC | UCA4249 / C54249 | FL13 | 136 kt | 159° | — |
| 2026-10-01 00:40 UTC | UCA4334 / C54334 | FL143 | 363 kt | 73° | — |
| 2026-09-30 18:12 UTC | UCA4300 / C54300 | FL7 | 134 kt | 90° | — |
| 2026-09-30 15:56 UTC | UCA4261 / C54261 | FL50 | 184 kt | 278° | — |
| 2026-09-29 23:16 UTC | UCA4923 / C54923 | FL6 | 139 kt | 90° | — |
| 2026-09-29 20:58 UTC | UCA4307 / C54307 | FL8 | 137 kt | 325° |
IAH → MS98
IAH
→
MS98
George Bush Intcntl/houston Airport → MS98 |
| 2026-09-29 17:04 UTC | UCA4878 / C54878 | FL5 | 134 kt | 90° | — |
| 2026-09-28 23:08 UTC | UCA4323 / C54323 | FL9 | 139 kt | 324° | — |
| 2026-09-28 20:48 UTC | UCA4289 / C54289 | FL7 | 132 kt | 90° | — |
| 2026-09-28 18:46 UTC | UCA4896 / C54896 | FL158 | 387 kt | 75° |
IAH → MS45
IAH
→
MS45
George Bush Intcntl/houston Airport → Bhllc Airport |
| 2026-09-28 16:58 UTC | UCA4237 / C54237 | FL5 | 136 kt | 90° | — |
Live location data from OpenSky Network
Airframe Info
| Manufacturer | Embraer |
| Model | ERJ-145XR (EMB-145XR) Search all Embraer ERJ-145XR (EMB-145XR) |
| Year built | 2003 |
| Construction Number (C/N) | 145703 |
| Aircraft Type | Fixed wing multi engine |
| Number of Seats | 55 |
| Number of Engines | 2 |
| Engine Type | Turbofan |
| Engine Manufacturer and Model | Rolls-royc AE3007 SER |
Aircraft
| Registration Number | N21129 |
| Mode S (ICAO24) Code | a1bff9 |
| Certification Class | Standard |
| Certification Issued | 2019-08-27 |
| Air Worthiness Test | 2005-02-25 |
| Last Action Taken | 2023-08-25 |
| Current Status | Valid |
Owner
| Registration Type | Corporation |
| Owner | UNITED AIRLINES INC |
| Address |
Chicago, IL 606067147 United States |
| Region | Great Lakes |