33 active days
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Tracked flight number
UA644
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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858 mi avg per flight
1 hr 52 min average
Average across flights included in analytics
3 aircraft types
Tracked activity
Aug 20 – Sep 24, 2026 · 33 active days
Flights62
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Observed route footprint
Routes tracked as UA644
Directional airport pairings in Aug 20 – Sep 24, 2026.
Observed tail number assignments
Tail numbers tracked as UA644
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Routes | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| A21N | 2 | 1 | 2,072 mi | Aug 20, 2026, 6:01 PM UTC | Sep 20, 2026, 8:16 PM UTC | |
| A21N | 2 | 1 | 1,998 mi | Aug 21, 2026, 5:51 PM UTC | Sep 12, 2026, 7:57 PM UTC | |
| A21N | 2 | 1 | 2,000 mi | Aug 26, 2026, 5:50 PM UTC | Sep 11, 2026, 8:00 PM UTC | |
| A21N | 2 | 1 | 2,018 mi | Sep 6, 2026, 5:52 PM UTC | Sep 9, 2026, 8:08 PM UTC | |
| A21N | 2 | 1 | 1,990 mi | Aug 24, 2026, 5:41 PM UTC | Sep 7, 2026, 7:58 PM UTC | |
Observed aircraft types
Aircraft types tracked as UA644
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 |
|---|---|---|---|---|---|---|---|---|
| A21N | Airbus A321neo | 31 | 50.0% | 26 | 31,352 mi | 1 | Aug 20, 2026, 6:01 PM UTC | Sep 23, 2026, 8:06 PM UTC |
| B738 | Boeing 737-800 | 29 | 46.8% | 29 | 20,438 mi | 1 | Aug 20, 2026, 2:07 PM UTC | Sep 23, 2026, 3:46 PM UTC |
| A319 | Airbus A319 | 2 | 3.2% | 2 | 1,408 mi | 1 | Sep 12, 2026, 2:05 PM UTC | Sep 19, 2026, 3:38 PM UTC |
Observation log
Flight observations
Latest 100 flights for UA644 within Aug 20 – Sep 24, 2026
| Confidence | Route | Tail number | Aircraft | First observed | Last observed | Observed | Tracked distance |
|---|---|---|---|---|---|---|---|
| High · 100 | A21N | Sep 24, 2026, 11:53 AM UTC | Sep 24, 2026, 3:30 PM UTC | 3 hr 37 min | 1,678 mi | ||
| High · 100 | A21N | Sep 23, 2026, 5:53 PM UTC | Sep 23, 2026, 8:06 PM UTC | 2 hr 13 min | 1,007 mi | ||
| High · 100 |