23 active days
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Tracked flight number
UA51
Analysis window
Aug 20 – Sep 24, 2026
Every derived statistic, daily trend, route, tail number assignment, flight observation, and mapped path below uses this flight-date window.
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3,718 mi avg per flight
6 hr 35 min average
Average across flights included in analytics
1 aircraft type
Tracked activity
Aug 20 – Sep 24, 2026 · 23 active days
Flights29
Aug 21
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Aug 24
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Aug 31
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Sep 23
Observed route footprint
Routes tracked as UA51
Directional airport pairings in Aug 20 – Sep 24, 2026.
| Route | Flights | Active days | Tail numbers | Tracked distance | Observed | First observed | Last observed |
|---|---|---|---|---|---|---|---|
| 29 | 23 | 0 | 107,822 mi | 190 hr 42 min | Aug 21, 2026, 12:20 AM UTC | Sep 24, 2026, 6:36 AM UTC |
Observed tail number assignments
Tail numbers tracked as UA51
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Routes | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| B764 | 4 | 1 | 14,616 mi | Aug 30, 2026, 12:02 AM UTC | Sep 20, 2026, 8:35 AM UTC | |
| B764 | 3 | 1 | 11,253 mi | Aug 21, 2026, 11:59 PM UTC | Sep 24, 2026, 6:36 AM UTC | |
| B764 | 3 | 1 | 11,361 mi | Aug 21, 2026, 12:20 AM UTC | Sep 21, 2026, 7:20 AM UTC | |
| B764 | 3 | 1 | 10,997 mi | Aug 27, 2026, 12:21 AM UTC | Sep 18, 2026, 6:28 AM UTC | |
| B764 | 3 | 1 | 10,938 mi | Aug 24, 2026, 11:26 PM UTC | Sep 15, 2026, 6:18 AM UTC | |
Observed aircraft types
Aircraft types tracked as UA51
Observed flights grouped by aircraft designator and matched to the aircraft reference catalog.
| Type | Aircraft name | Flights | Makeup | Tail numbers | Tracked distance | Routes | First observed | Last observed |
|---|---|---|---|---|---|---|---|---|
| B764 | Boeing 767-400 | 29 | 100.0% | 14 | 107,822 mi | 1 | Aug 21, 2026, 12:20 AM UTC | Sep 24, 2026, 6:36 AM UTC |
Observation log
Flight observations
Latest 100 flights for UA51 within Aug 20 – Sep 24, 2026
| Confidence | Route | Tail number | Aircraft | First observed | Last observed | Observed | Tracked distance |
|---|---|---|---|---|---|---|---|
| High · 100 | B764 | Sep 23, 2026, 11:45 PM UTC | Sep 24, 2026, 6:36 AM UTC | 6 hr 51 min | 3,836 mi | ||
| High · 100 | B764 | Sep 22, 2026, 11:48 PM UTC | Sep 23, 2026, 6:28 AM UTC | 6 hr 40 min | 3,766 mi | ||
| High · 100 |