| FlightID | ModeS Hex Code | Registration | Aircraft | Category | Airline/Operator | Callsign | Route | Time Last Seen | Possibly Landed |
|---|---|---|---|---|---|---|---|---|---|
| 4160894 | A5ADF1 | N465UA | A320 232 (A320) | Jet | United Airlines | UAL2421 | KORD (ORD) to KBWI (BWI) | 2023-09-29 15:52:35 | |
| 4144698 | A5D927 | N476UA | A320 232 (A320) | Jet | United Airlines | UAL2421 | KORD (ORD) to KBWI (BWI) | 2023-09-26 16:05:47 | |
| 4139851 | A097E9 | N13720 | 737NG 724/W (B737) | Jet | United Airlines | UAL2421 | KORD (ORD) to KBWI (BWI) | 2023-09-25 16:15:46 | |
| 4134817 | AC59AA | N895UA | A319 132 (A319) | Jet | United Airlines | UAL2421 | KORD (ORD) to KBWI (BWI) | 2023-09-24 16:49:50 | |
| 4129720 | A5A683 | N463UA | A320 232 (A320) | Jet | United Airlines | UAL2421 | KORD (ORD) to KBWI (BWI) | 2023-09-23 16:08:54 | |
| 4124315 | A5EA5C | N480UA | A320 232 (A320) | Jet | United Airlines | UAL2421 | KORD (ORD) to KBWI (BWI) | 2023-09-22 16:00:59 | |
| 4118839 | A5B1A8 | N466UA | A320 232 (A320) | Jet | United Airlines | UAL2421 | KORD (ORD) to KBWI (BWI) | 2023-09-21 16:05:30 | |
| 4102909 | A1D63D | N21723 | 737NG 724/W (B737) | Jet | United Airlines | UAL2421 | KORD (ORD) to KBWI (BWI) | 2023-09-18 15:49:15 | |
| 4099538 | A46CE1 | N38424 | 737NG 924ER/W (B739) | Jet | United Airlines | UAL2421 | KORD (ORD) to KBWI (BWI) | 2023-09-17 21:21:54 | |
| 4097973 | AB540D | N829UA | A319 131 (A319) | Jet | United Airlines | UAL2421 | KORD (ORD) to KBWI (BWI) | 2023-09-17 16:20:49 | |
| 4094417 | A52898 | N431UA | A320 232 (A320) | Jet | United Airlines | UAL2421 | KORD (ORD) to KBWI (BWI) | 2023-09-16 20:12:09 | |
| 4088314 | A5F581 | N483UA | A320 232 (A320) | Jet | United Airlines | UAL2421 | KORD (ORD) to KBWI (BWI) | 2023-09-15 15:58:36 | |
| 4059207 | A5FCEF | N485UA | A320 232 (A320) | Jet | United Airlines | UAL2421 | KORD (ORD) to KBWI (BWI) | 2023-09-10 00:10:49 | |
| 4043693 | A50887 | N423UA | A320 232 (A320) | Jet | United Airlines | UAL2421 | KORD (ORD) to KBWI (BWI) | 2023-09-06 15:57:14 | |
| 4038965 | A53774 | N435UA | A320 232 (A320) | Jet | United Airlines | UAL2421 | KORD (ORD) to KBWI (BWI) | 2023-09-05 17:17:30 | |
| 4032740 | A10E8B | N16732 | 737NG 724/W (B737) | Jet | United Airlines | UAL2421 | KORD (ORD) to KBWI (BWI) | 2023-09-04 15:38:33 | |
| 4027415 | A13651 | N17753 | 737NG 7V3/W (B737) | Jet | United Airlines | UAL2421 | KORD (ORD) to KBWI (BWI) | 2023-09-03 15:42:42 | |
| 4022606 | AB5056 | N828UA | A319 131 (A319) | Jet | United Airlines | UAL2421 | KORD (ORD) to KBWI (BWI) | 2023-09-02 15:39:58 | |
| 4017647 | A097E9 | N13720 | 737NG 724/W (B737) | Jet | United Airlines | UAL2421 | KORD (ORD) to KBWI (BWI) | 2023-09-01 15:51:25 | |
| 4011948 | A097E9 | N13720 | 737NG 724/W (B737) | Jet | United Airlines | UAL2421 | KORD (ORD) to KBWI (BWI) | 2023-08-31 15:37:37 | |
| 4006482 | A0BF8C | N14731 | 737NG 724/W (B737) | Jet | United Airlines | UAL2421 | KORD (ORD) to KBWI (BWI) | 2023-08-30 15:41:37 | |
| 4001603 | A0BF90 | N14735 | 737NG 724/W (B737) | Jet | United Airlines | UAL2421 | KORD (ORD) to KBWI (BWI) | 2023-08-29 16:16:09 | |
| 3996021 | A273F5 | N25705 | 737NG 724/W (B737) | Jet | United Airlines | UAL2421 | KORD (ORD) to KBWI (BWI) | 2023-08-28 16:18:20 | |
| 3990352 | A097E9 | N13720 | 737NG 724/W (B737) | Jet | United Airlines | UAL2421 | KORD (ORD) to KBWI (BWI) | 2023-08-27 15:38:12 | |
| 3985515 | AB618B | N832UA | A319 131 (A319) | Jet | United Airlines | UAL2421 | KORD (ORD) to KBWI (BWI) | 2023-08-26 15:39:13 |