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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 |
|---|---|---|---|---|---|
| UAL749 | KCVG > KDEN | 17 Jun 2025, 10:5017 Jun 2025 | 17 Jun 2025, 11:24 | 34,000 ft | 1,178 |
| UAL748 | KORD > KSEA | 17 Jun 2025, 07:1117 Jun 2025 | 17 Jun 2025, 07:44 | not transmitted | 1,995 |
| UAL53 | LSZH > KIAD | 16 Jun 2025, 12:3316 Jun 2025 | 16 Jun 2025, 12:40 | 32,000 ft | 162 |
| UAL52 | KIAD > LSZH | 16 Jun 2025, 07:1116 Jun 2025 | 16 Jun 2025, 07:37 | 11,625 ft | 1,052 |
| UAL321 | KDCA > KIAH | 15 Jun 2025, 08:3315 Jun 2025 | 15 Jun 2025, 08:57 | 37,025 ft | 1,192 |
| UAL127 | EIDW > KIAD | 12 Jun 2025, 16:3512 Jun 2025 | 12 Jun 2025, 16:41 | 34,000 ft | 49 |
| UAL126 | KIAD > EIDW | 12 Jun 2025, 11:3312 Jun 2025 | 12 Jun 2025, 11:57 | 37,025 ft | 696 |
| UAL127 | EIDW > KIAD | 11 Jun 2025, 16:4211 Jun 2025 | 11 Jun 2025, 16:55 | 34,000 ft | 300 |
| UAL126 | KIAD > EIDW | 11 Jun 2025, 12:0811 Jun 2025 | 11 Jun 2025, 12:31 | 39,000 ft | 786 |
| UAL127 | EIDW > KIAD | 10 Jun 2025, 16:3510 Jun 2025 | 10 Jun 2025, 16:59 | 34,000 ft | 621 |
| UAL126 | KIAD > EIDW | 10 Jun 2025, 11:3810 Jun 2025 | 10 Jun 2025, 12:01 | 38,975 ft | 758 |
| UAL322 | KDCA > KIAH | 9 Jun 2025, 10:239 Jun 2025 | 9 Jun 2025, 10:52 | 32,000 ft | 560 |
| UAL321 | KDCA > KIAH | 9 Jun 2025, 06:389 Jun 2025 | 9 Jun 2025, 07:00 | 36,600 ft | 1,106 |
| UAL242 | KPDX > KORD | 8 Jun 2025, 06:348 Jun 2025 | 8 Jun 2025, 06:46 | 35,450 ft | 458 |
| UAL749 | KCVG > KDEN | 7 Jun 2025, 11:047 Jun 2025 | 7 Jun 2025, 11:40 | 31,000 ft | 1,084 |
| not transmitted | route not resolved | 7 Jun 2025, 10:217 Jun 2025 | 7 Jun 2025, 10:21 | not transmitted | no position received |
| UAL748 | KORD > KSEA | 7 Jun 2025, 06:357 Jun 2025 | 7 Jun 2025, 07:05 | not transmitted | 2,150 |
| UAL749 | KCVG > KDEN | 1 Jun 2025, 11:061 Jun 2025 | 1 Jun 2025, 11:43 | 30,125 ft | 887 |
| UAL748 | KORD > KSEA | 1 Jun 2025, 07:071 Jun 2025 | 1 Jun 2025, 07:38 | not transmitted | 2,540 |
| UAL127 | EIDW > KIAD | 29 May 2025, 19:1429 May 2025 | 29 May 2025, 19:25 | 30,000 ft | 476 |
| UAL126 | KIAD > EIDW | 29 May 2025, 11:3029 May 2025 | 29 May 2025, 11:52 | 37,000 ft | 1,071 |
| UAL127 | EIDW > KIAD | 26 May 2025, 16:3826 May 2025 | 26 May 2025, 16:58 | 32,025 ft | 987 |
| UAL126 | KIAD > EIDW | 26 May 2025, 11:2326 May 2025 | 26 May 2025, 11:43 | 35,025 ft | 717 |
| UAL127 | EIDW > KIAD | 25 May 2025, 16:5825 May 2025 | 25 May 2025, 17:22 | 32,000 ft | 1,067 |
| UAL126 | KIAD > EIDW | 25 May 2025, 11:5325 May 2025 | 25 May 2025, 12:14 | 37,000 ft | 801 |
