| FlightID | ModeS Hex Code | Registration | Aircraft | Category | Airline/Operator | Callsign | Route | Time Last Seen | Possibly Landed |
|---|---|---|---|---|---|---|---|---|---|
| 943164 | A126EA | N17314 | Boeing 737 MAX 8 (B38M) | Jet | United Airlines | UAL2421 | KBWI (BWI) to KSFO (SFO) | 2024-10-20 19:44:47 | |
| 933053 | A2B110 | N27256 | Boeing 737 MAX 8 (B38M) | Jet | United Airlines | UAL2421 | KBDL (BDL) to KBWI (BWI) | 2024-10-18 20:42:52 | |
| 927032 | A12750 | N17341 | 737MAX 8 (B38M) | Jet | United Airlines | UAL2421 | KBDL (BDL) to KBWI (BWI) | 2024-10-17 19:39:33 | |
| 826247 | A441F5 | N37348 | 737MAX 8 (B38M) | Jet | United Airlines | UAL2421 | KBDL (BDL) to KBWI (BWI) | 2024-09-27 20:14:49 | |
| 803612 | A12733 | N17337 | Boeing 737 MAX 8 (B38M) | Jet | United Airlines | UAL2421 | KBDL (BDL) to KBWI (BWI) | 2024-09-23 19:25:46 | |
| 802828 | AA56F7 | N76532 | Boeing 737NG 824/W (B738) | Jet | United Airlines | UAL2421 | KBDL (BDL) to KBWI (BWI) | 2024-09-23 16:45:27 | |
| 801466 | A126ED | N17317 | Boeing 737 MAX 8 (B38M) | Jet | United Airlines | UAL2421 | KBDL (BDL) to KBWI (BWI) | 2024-09-23 12:45:21 | |
| 797488 | AC0AAC | N875UA | A319 132 (A319) | Jet | United Airlines | UAL2421 | KBDL (BDL) to KBWI (BWI) | 2024-09-22 16:28:00 | |
| 795895 | AAA244 | N78438 | Boeing 737NG 924ER/W (B739) | Jet | United Airlines | UAL2421 | KBDL (BDL) to KBWI (BWI) | 2024-09-22 12:51:30 | |
| 785640 | A5D6F9 | N47569 | Boeing 737 MAX 9 (B39M) | Jet | United Airlines | UAL2421 | KBDL (BDL) to KBWI (BWI) | 2024-09-20 13:08:01 | |
| 781360 | A837A5 | N62894 | Boeing 737NG 924ER/W (B739) | Jet | United Airlines | UAL2421 | KBDL (BDL) to KBWI (BWI) | 2024-09-19 16:59:29 | |
| 779403 | A4495D | N37542 | Boeing 737 MAX 9 (B39M) | Jet | United Airlines | UAL2421 | KBDL (BDL) to KBWI (BWI) | 2024-09-19 12:52:42 | |
| 764787 | A12755 | N17346 | 737MAX 8 (B38M) | Jet | United Airlines | UAL2421 | KBDL (BDL) to KBWI (BWI) | 2024-09-16 19:18:23 | |
| 763669 | A9D62E | N73299 | Boeing 737NG 824/W (B738) | Jet | United Airlines | UAL2421 | KBDL (BDL) to KBWI (BWI) | 2024-09-16 16:39:13 | |
| 762815 | A44940 | N37538 | Boeing 737 MAX 9 (B39M) | Jet | United Airlines | UAL2421 | KBDL (BDL) to KBWI (BWI) | 2024-09-16 12:45:19 | |
| 758775 | AB9F54 | N848UA | Airbus A319 131 (A319) | Jet | United Airlines | UAL2421 | KBDL (BDL) to KBWI (BWI) | 2024-09-15 16:40:32 | |
| 757099 | AA4C42 | N76269 | Boeing 737NG 824/W (B738) | Jet | United Airlines | UAL2421 | KBDL (BDL) to KBWI (BWI) | 2024-09-15 12:46:07 | |
| 751562 | A43EA6 | N37277 | 737NG 824/W (B738) | Jet | United Airlines | UAL2421 | KBDL (BDL) to KBWI (BWI) | 2024-09-13 16:44:00 | |
| 749766 | A2B157 | N27277 | Boeing 737 MAX 8 (B38M) | Jet | United Airlines | UAL2421 | KBDL (BDL) to KBWI (BWI) | 2024-09-13 12:38:20 | |
| 745466 | AA7E79 | N77535 | Boeing 737NG 824/W (B738) | Jet | United Airlines | UAL2421 | KBDL (BDL) to KBWI (BWI) | 2024-09-12 16:34:06 | |
| 743715 | A5CC19 | N47288 | Boeing 737 MAX 8 (B38M) | Jet | United Airlines | UAL2421 | KBDL (BDL) to KBWI (BWI) | 2024-09-12 12:47:15 | |
| 729396 | AA7E7C | N77538 | Boeing 737NG 800/W (B738) | Jet | United Airlines | UAL2421 | KBDL (BDL) to KBWI (BWI) | 2024-09-09 16:25:20 | |
| 727700 | A12710 | N17327 | Boeing 737 MAX 8 (B38M) | Jet | United Airlines | UAL2421 | KBDL (BDL) to KBWI (BWI) | 2024-09-09 12:51:53 | |
| 724848 | A2B196 | N27290 | 737MAX 8 (B38M) | Jet | United Airlines | UAL2421 | KBDL (BDL) to KBWI (BWI) | 2024-09-08 19:27:27 | |
| 722413 | A1242D | N17289 | Boeing 737 MAX 8 (B38M) | Jet | United Airlines | UAL2421 | KBDL (BDL) to KBWI (BWI) | 2024-09-08 13:01:51 |