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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
- 9 Aug 2026, 12:13
- Logged visits
- 659
The station's story
- Cumulative contact time
- 255 h
- Distinct days
- 360
- Highest captured altitude
- 39,025 ft
- Discovery rank
- #10,242 of 57,441
- Longest contact
- 2 h 53 min
Observed callsigns
UAL (617 contacts, 2016-2026)
Operator as per the registry of 29 Jul 2026; observed callsigns are the freshest measurement.
Visits
| Callsign | Route | First contact | Last contact | Altitude at end of contact | Positions |
|---|---|---|---|---|---|
| UAL322 | KDCA > KIAH | 24 May 2025, 10:2424 May 2025 | 24 May 2025, 10:45 | 32,000 ft | 998 |
| UAL321 | KDCA > KIAH | 24 May 2025, 06:3924 May 2025 | 24 May 2025, 07:08 | 36,000 ft | 1,398 |
| UAL31 | EDDM > KEWR | 1 Apr 2025, 12:061 Apr 2025 | 1 Apr 2025, 12:26 | 32,000 ft | 690 |
| UAL169 | LIPZ > KEWR | 31 Mar 2025, 15:0631 Mar 2025 | 31 Mar 2025, 15:36 | 30,000 ft | 1,126 |
| UAL170 | KEWR > LIPZ | 31 Mar 2025, 11:3531 Mar 2025 | 31 Mar 2025, 11:55 | 37,000 ft | 974 |
| UAL749 | KCVG > KDEN | 22 Mar 2025, 11:0822 Mar 2025 | 22 Mar 2025, 11:45 | 31,825 ft | 1,066 |
| UAL748 | KORD > KSEA | 22 Mar 2025, 06:0222 Mar 2025 | 22 Mar 2025, 06:28 | not transmitted | 2,455 |
| UAL749 | KCVG > KDEN | 11 Mar 2025, 10:3611 Mar 2025 | 11 Mar 2025, 11:08 | 32,725 ft | 1,110 |
| UAL748 | KORD > KSEA | 11 Mar 2025, 06:1611 Mar 2025 | 11 Mar 2025, 06:43 | not transmitted | 2,810 |
| not transmitted | route not resolved | 7 Feb 2025, 11:207 Feb 2025 | 7 Feb 2025, 12:00 | 34,000 ft | 1,233 |
| not transmitted | route not resolved | 7 Feb 2025, 07:007 Feb 2025 | 7 Feb 2025, 07:27 | not transmitted | 2,335 |
| not transmitted | route not resolved | 23 Dec 2024, 16:5523 Dec 2024 | 23 Dec 2024, 17:10 | 30,025 ft | 966 |
| not transmitted | route not resolved | 21 Dec 2024, 11:3421 Dec 2024 | 21 Dec 2024, 12:09 | 31,850 ft | 822 |
| not transmitted | route not resolved | 21 Dec 2024, 06:4021 Dec 2024 | 21 Dec 2024, 07:10 | not transmitted | 2,480 |
| UAL108 | KIAD > EDDM | 6 Dec 2024, 06:286 Dec 2024 | 6 Dec 2024, 06:47 | 29,425 ft | 1,440 |
| UAL749 | KCVG > KDEN | 24 Nov 2024, 11:2424 Nov 2024 | 24 Nov 2024, 12:00 | 34,025 ft | 1,441 |
| UAL748 | KORD > KSEA | 24 Nov 2024, 07:1124 Nov 2024 | 24 Nov 2024, 07:38 | not transmitted | 2,500 |
| UAL749 | KCVG > KDEN | 11 Nov 2024, 11:1211 Nov 2024 | 11 Nov 2024, 11:53 | 32,000 ft | 1,566 |
| UAL748 | KORD > KSEA | 11 Nov 2024, 07:0911 Nov 2024 | 11 Nov 2024, 07:40 | not transmitted | 2,560 |
| not transmitted | route not resolved | 8 Nov 2024, 08:488 Nov 2024 | 8 Nov 2024, 08:48 | 38,275 ft | no position received |
| UAL160 | EDDM > KIAH | 2 Nov 2024, 12:032 Nov 2024 | 2 Nov 2024, 12:25 | 32,000 ft | 978 |
| UAL749 | KCVG > KDEN | 1 Nov 2024, 10:091 Nov 2024 | 1 Nov 2024, 10:43 | 32,000 ft | 1,112 |
| UAL748 | KORD > KSEA | 1 Nov 2024, 05:551 Nov 2024 | 1 Nov 2024, 06:31 | not transmitted | 3,522 |
| UAL53 | LSZH > KIAD | 30 Oct 2024, 13:5530 Oct 2024 | 30 Oct 2024, 14:11 | 30,000 ft | 816 |
| UAL52 | KIAD > LSZH | 30 Oct 2024, 11:0630 Oct 2024 | 30 Oct 2024, 11:40 | 12,050 ft | 1,507 |
