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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
- 26 Sept 2026, 16:06
- Logged visits
- 669
The station's story
- Cumulative contact time
- 258 h
- Distinct days
- 366
- Highest captured altitude
- 39,025 ft
- Discovery rank
- #10,265 of 60,195
- Longest contact
- 2 h 53 min
Observed callsigns
UAL (627 contacts, 2016-2026)
Operator as per the registry of 28 Sept 2026; observed callsigns are the freshest measurement.
Visits
| Callsign | Route | First contact | Last contact | Altitude at end of contact | Positions |
|---|---|---|---|---|---|
| UAL749 | KCVG > KDEN | 25 Sept 2025, 11:0225 Sept 2025 | 25 Sept 2025, 11:45 | 34,000 ft | 1,096 |
| UAL748 | KORD > KSEA | 25 Sept 2025, 06:4325 Sept 2025 | 25 Sept 2025, 07:20 | not transmitted | 2,780 |
| UAL322 | KDCA > KIAH | 23 Sept 2025, 11:0523 Sept 2025 | 23 Sept 2025, 11:22 | 32,000 ft | 1,002 |
| UAL321 | KDCA > KIAH | 23 Sept 2025, 07:4223 Sept 2025 | 23 Sept 2025, 08:04 | not transmitted | 1,281 |
| UAL242 | KPDX > KORD | 21 Sept 2025, 06:5321 Sept 2025 | 21 Sept 2025, 07:05 | 33,225 ft | 589 |
| UAL322 | KDCA > KIAH | 20 Sept 2025, 10:2220 Sept 2025 | 20 Sept 2025, 10:49 | 32,000 ft | 595 |
| UAL321 | KDCA > KIAH | 20 Sept 2025, 06:4820 Sept 2025 | 20 Sept 2025, 07:15 | 39,000 ft | 1,237 |
| UAL322 | KDCA > KIAH | 18 Sept 2025, 10:4718 Sept 2025 | 18 Sept 2025, 11:10 | 32,025 ft | 1,103 |
| UAL321 | KDCA > KIAH | 18 Sept 2025, 07:1718 Sept 2025 | 18 Sept 2025, 07:45 | 34,975 ft | 1,144 |
| UAL749 | KCVG > KDEN | 17 Sept 2025, 10:5817 Sept 2025 | 17 Sept 2025, 11:38 | 32,000 ft | 1,099 |
| UAL748 | KORD > KSEA | 17 Sept 2025, 07:1517 Sept 2025 | 17 Sept 2025, 07:46 | not transmitted | 2,156 |
| UAL243 | KPDX > KTPA | 14 Sept 2025, 11:1414 Sept 2025 | 14 Sept 2025, 11:27 | 32,025 ft | 511 |
| UAL242 | KPDX > KORD | 14 Sept 2025, 07:2314 Sept 2025 | 14 Sept 2025, 07:35 | 33,000 ft | 508 |
| UAL52 | KIAD > LSZH | 12 Sept 2025, 06:5812 Sept 2025 | 12 Sept 2025, 07:17 | 13,450 ft | 1,115 |
| UAL52 | KIAD > LSZH | 11 Sept 2025, 07:0811 Sept 2025 | 11 Sept 2025, 07:25 | 13,650 ft | 1,063 |
| UAL53 | LSZH > KIAD | 5 Sept 2025, 12:245 Sept 2025 | 5 Sept 2025, 12:49 | 34,025 ft | 861 |
| UAL52 | KIAD > LSZH | 5 Sept 2025, 09:515 Sept 2025 | 5 Sept 2025, 10:10 | 13,250 ft | 857 |
| UAL749 | KCVG > KDEN | 31 Aug 2025, 11:0531 Aug 2025 | 31 Aug 2025, 11:44 | 32,000 ft | 1,112 |
| UAL748 | KORD > KSEA | 31 Aug 2025, 09:0131 Aug 2025 | 31 Aug 2025, 09:33 | not transmitted | 2,228 |
| UAL749 | KCVG > KDEN | 30 Aug 2025, 10:5930 Aug 2025 | 30 Aug 2025, 11:39 | 34,000 ft | 1,048 |
| UAL748 | KORD > KSEA | 30 Aug 2025, 06:4530 Aug 2025 | 30 Aug 2025, 07:20 | not transmitted | 2,798 |
| 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 |
