Aircraft N21723 Data
3
aircraft records found
N21723
1999 Boeing 737-724, c/n 28790
Latest photos of N21723
MarkKalfas
@ KORD
Mark Kalfas
@ KORD
Mark Kalfas
@ KORD
Mark Kalfas
@ KORD
Recent Routes
NO LIVE DATA
United Airlines
| Time | Callsign | FL | Speed | Heading | Route |
|---|---|---|---|---|---|
| 2026-08-16 01:20 UTC | UAL2807 / UA2807 | — | 3 kt | 186° | — |
| 2026-08-15 19:04 UTC | UAL1304 / UA1304 | FL0 | 136 kt | 208° | — |
| 2026-08-15 13:30 UTC | UAL775 / UA775 | — | 13 kt | 23° | — |
| 2026-08-14 01:16 UTC | UAL2652 / UA2652 | FL8 | 148 kt | 230° | — |
| 2026-08-13 22:08 UTC | UAL2458 / UA2458 | — | 12 kt | 90° | — |
| 2026-08-13 17:02 UTC | UAL2176 / UA2176 | FL377 | 413 kt | 274° | — |
| 2026-08-13 02:58 UTC | UAL324 / UA324 | — | 18 kt | 90° |
DEN → GEG
DEN
→
GEG
Denver International Airport → Spokane International Airport |
| 2026-08-12 23:48 UTC | UAL2081 / UA2081 | — | 1 kt | 242° | — |
| 2026-08-12 20:16 UTC | UAL780 / UA780 | — | 13 kt | 90° | — |
| 2026-08-12 17:44 UTC | UAL1709 / UA1709 | FL10 | 138 kt | 230° | — |
| 2026-08-12 01:18 UTC | UAL1240 / UA1240 | — | 1 kt | 11° |
DFW → IAD
DFW
→
IAD
Dallas-fort Worth International Airport → Washington Dulles International Airport |
| 2026-08-11 21:12 UTC | UAL1388 / UA1388 | — | 6 kt | 270° | — |
| 2026-08-11 18:10 UTC | UAL2190 / UA2190 | FL5 | 143 kt | 270° | — |
| 2026-08-11 13:50 UTC | UAL1077 / UA1077 | — | 8 kt | 352° | — |
| 2026-08-11 07:28 UTC | UAL1316 / UA1316 | — | 8 kt | 233° | — |
| 2026-08-10 22:04 UTC | UAL2844 / UA2844 | FL16 | 142 kt | 132° | — |
| 2026-08-10 18:20 UTC | UAL374 / UA374 | — | 23 kt | 90° | — |
| 2026-08-10 15:04 UTC | UAL382 / UA382 | — | 10 kt | 225° | — |
| 2026-08-10 12:14 UTC | UAL3909 / UA3909 | — | 17 kt | 197° | — |
| 2026-08-10 04:32 UTC | UAL654 / UA654 | FL8 | 151 kt | 252° | — |
| 2026-08-10 00:20 UTC | UAL752 / UA752 | — | 10 kt | 343° | — |
| 2026-08-09 14:46 UTC | UAL2465 / UA2465 | — | 1 kt | 231° | — |
| 2026-08-09 05:10 UTC | UAL2063 / UA2063 | — | 21 kt | 17° | — |
| 2026-08-09 03:04 UTC | UAL1884 / UA1884 | — | 3 kt | 222° | — |
| 2026-08-08 23:58 UTC | UAL1928 / UA1928 | — | 17 kt | 17° | — |
| 2026-08-08 17:46 UTC | UAL592 / UA592 | — | 13 kt | 270° | — |
| 2026-08-08 13:58 UTC | UAL2795 / UA2795 | FL7 | 145 kt | 147° | — |
| 2026-08-07 17:00 UTC | UAL1502 / UA1502 | FL8 | 135 kt | 270° | — |
| 2026-08-07 04:20 UTC | UAL1710 / UA1710 | — | 17 kt | 264° | — |
Live location data from OpenSky Network
Airframe Info
| Manufacturer | Boeing |
| Model | 737-724 Search all Boeing 737-724 |
| Year built | 1999 |
| Construction Number (C/N) | 28790 |
| Aircraft Type | Fixed wing multi engine |
| Number of Seats | 149 |
| Number of Engines | 2 |
| Engine Type | Turbofan |
| Engine Manufacturer and Model | CFM International CFM56-7B2 |
Aircraft
| Registration Number | N21723 |
| Mode S (ICAO24) Code | a1d63d |
| Certification Class | Standard |
| Certification Issued | 1999-04-23 |
| Air Worthiness Test | 1999-04-21 |
| Last Action Taken | 2025-11-03 |
| Current Status | Valid |
Owner
| Registration Type | Corporation |
| Owner | UNITED AIRLINES INC |
| Address |
233 S Wacker Dr Chicago, IL 606067147 United States |
| Region | Great Lakes |
N21723
1940 Heideman-bowlus B-3, c/n 3
Airframe Info
| Manufacturer | Heideman-bowlus |
| Model | B-3 Search all Heideman-bowlus B-3 |
| Year built | 1940 |
| Construction Number (C/N) | 3 |
| Number of Seats | 2 |
Aircraft
| Registration Number | N21723 |
| Mode S (ICAO24) Code | a1d63d |
| Certification Issued | 1958-12-16 |
| Current Status | Deregistered |
| Registration Cancel Date | 1967-06-29 |
Owner
| Registration Type | Individual |
| Address |
El Cajon, CA 92021 United States |
| Region | Western-Pacific |
N21723
Piper PA-31-350, c/n 318152028
Airframe Info
| Manufacturer | Piper |
| Model | PA-31-350 Search all Piper PA-31-350 |
| Construction Number (C/N) | 318152028 |
| Number of Seats | 8 |
| Number of Engines | 2 |
Aircraft
| Registration Number | N21723 |
| Mode S (ICAO24) Code | a1d63d |
| Certification Issued | 1994-08-02 |
| Last Action Taken | 1994-08-03 |
| Current Status | Deregistered |
| Registration Cancel Date | 1994-12-02 |
Owner
| Registration Type | Corporation |
| Owner | SPECIAL AIR SERVICE CORP |
| Address |
Miami, FL 33176 United States |