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Aircraft
N644UA
Common
- Mode S hex
- A875DA
- Manufacturer
- Boeing
- Serial number
- 25094
- Year built
- 199135 years old
- Operator
- United Airlines Inc (UAL)
- Country of registration
- États-UnisICAO address allocated by United States, aircraft registered in États-Unis.
- First contact
- 9 May 2016, 06:59
- Last contact
- 30 Sept 2026, 18:53
- Logged visits
- 673
The station's story
- Cumulative contact time
- 260 h
- Distinct days
- 368
- Highest captured altitude
- 39,025 ft
- Discovery rank
- #10,291 of 60,435
- Longest contact
- 2 h 53 min
Observed callsigns
UAL (631 contacts, 2016-2026)
Operator as per the registry of 12 Oct 2026; observed callsigns are the freshest measurement.
Visits
| Callsign | Route | First contact | Last contact | Altitude at end of contact | Positions |
|---|---|---|---|---|---|
| UAL3017 | route not resolved | 18 Aug 2025, 12:1718 Aug 2025 | 18 Aug 2025, 12:48 | 32,025 ft | 1,018 |
| UAL748 | KORD > KSEA | 18 Aug 2025, 09:2918 Aug 2025 | 18 Aug 2025, 10:02 | not transmitted | 1,890 |
| UAL53 | LSZH > KIAD | 17 Aug 2025, 13:1517 Aug 2025 | 17 Aug 2025, 13:37 | 32,000 ft | 807 |
| UAL52 | KIAD > LSZH | 17 Aug 2025, 10:2317 Aug 2025 | 17 Aug 2025, 10:37 | 12,800 ft | 628 |
| UAL322 | KDCA > KIAH | 16 Aug 2025, 11:0816 Aug 2025 | 16 Aug 2025, 11:32 | 32,000 ft | 1,163 |
| UAL321 | KDCA > KIAH | 16 Aug 2025, 07:5516 Aug 2025 | 16 Aug 2025, 08:17 | 34,800 ft | 1,133 |
| UAL749 | KCVG > KDEN | 15 Aug 2025, 11:2815 Aug 2025 | 15 Aug 2025, 12:03 | 32,025 ft | 1,591 |
| UAL748 | KORD > KSEA | 15 Aug 2025, 08:1315 Aug 2025 | 15 Aug 2025, 08:42 | not transmitted | 1,997 |
| UAL322 | KDCA > KIAH | 14 Aug 2025, 12:4714 Aug 2025 | 14 Aug 2025, 13:07 | 32,000 ft | 920 |
| UAL321 | KDCA > KIAH | 14 Aug 2025, 09:2514 Aug 2025 | 14 Aug 2025, 09:52 | 31,025 ft | 957 |
| UAL322 | KDCA > KIAH | 13 Aug 2025, 10:2513 Aug 2025 | 13 Aug 2025, 10:46 | 34,025 ft | 936 |
| UAL321 | KDCA > KIAH | 13 Aug 2025, 06:4213 Aug 2025 | 13 Aug 2025, 07:12 | 36,000 ft | 1,242 |
| UAL243 | KPDX > KTPA | 10 Aug 2025, 10:4310 Aug 2025 | 10 Aug 2025, 10:55 | 34,000 ft | 190 |
| UAL242 | KPDX > KORD | 10 Aug 2025, 07:0710 Aug 2025 | 10 Aug 2025, 07:22 | 35,300 ft | 615 |
| UAL509 | KDEN > KSEA | 30 Jul 2025, 14:0630 Jul 2025 | 30 Jul 2025, 14:26 | 30,025 ft | 531 |
| UAL510 | KDEN > KSFO | 30 Jul 2025, 09:2630 Jul 2025 | 30 Jul 2025, 09:47 | 37,000 ft | 818 |
| UAL169 | LIPZ > KEWR | 29 Jul 2025, 12:0229 Jul 2025 | 29 Jul 2025, 12:27 | 32,000 ft | 495 |
| UAL170 | KEWR > LIPZ | 29 Jul 2025, 08:3629 Jul 2025 | 29 Jul 2025, 08:56 | 37,000 ft | 1,182 |
| UAL169 | LIPZ > KEWR | 28 Jul 2025, 12:0828 Jul 2025 | 28 Jul 2025, 12:36 | 32,000 ft | 867 |
| UAL170 | KEWR > LIPZ | 28 Jul 2025, 07:5228 Jul 2025 | 28 Jul 2025, 08:17 | 37,875 ft | 1,115 |
| UAL169 | LIPZ > KEWR | 26 Jul 2025, 11:5426 Jul 2025 | 26 Jul 2025, 12:18 | 32,000 ft | 603 |
| UAL170 | KEWR > LIPZ | 26 Jul 2025, 08:3326 Jul 2025 | 26 Jul 2025, 08:54 | 35,000 ft | 912 |
| UAL169 | LIPZ > KEWR | 25 Jul 2025, 14:5825 Jul 2025 | 25 Jul 2025, 15:22 | 32,000 ft | 768 |
| UAL170 | KEWR > LIPZ | 25 Jul 2025, 10:5425 Jul 2025 | 25 Jul 2025, 11:16 | 36,000 ft | 868 |
| UAL509 | KDEN > KSEA | 24 Jul 2025, 17:0724 Jul 2025 | 24 Jul 2025, 17:29 | 30,000 ft | 750 |
