34 active days
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Tracked flight number
UA1645
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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1,187 mi avg per flight
2 hr 31 min average
Average across flights included in analytics
5 aircraft types
Tracked activity
Aug 20 – Sep 24, 2026 · 34 active days
Flights34
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Observed route footprint
Routes tracked as UA1645
Directional airport pairings in Aug 20 – Sep 24, 2026.
| Route | Flights | Active days | Tail numbers | Tracked distance | Observed | First observed | Last observed |
|---|---|---|---|---|---|---|---|
| 34 | 34 | 0 | 40,354 mi | 85 hr 21 min | Aug 20, 2026, 3:49 PM UTC | Sep 23, 2026, 6:38 PM UTC |
Observed tail number assignments
Tail numbers tracked as UA1645
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Routes | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| B737 | 4 | 1 | 4,802 mi | Aug 29, 2026, 3:43 PM UTC | Sep 17, 2026, 6:27 PM UTC | |
| B737 | 3 | 1 | 3,631 mi | Sep 10, 2026, 3:51 PM UTC | Sep 23, 2026, 6:38 PM UTC | |
| B737 | 3 | 1 | 4,035 mi | Aug 25, 2026, 3:43 PM UTC | Sep 4, 2026, 6:19 PM UTC | |
| B737 | 2 | 1 | 2,302 mi | Aug 26, 2026, 3:49 PM UTC | Sep 20, 2026, 6:23 PM UTC | |
| B737 | 2 | 1 | 2,090 mi | Aug 23, 2026, 3:39 PM UTC | Sep 14, 2026, 6:15 PM UTC | |
Observed aircraft types
Aircraft types tracked as UA1645
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 |
|---|---|---|---|---|---|---|---|---|
| B737 | Boeing 737-700 | 29 | 85.3% | 19 | 34,503 mi | 1 | Aug 21, 2026, 3:54 PM UTC | Sep 23, 2026, 6:38 PM UTC |
| B38M | Boeing 737 MAX 8 | 2 | 5.9% | 2 | 2,373 mi | 1 | Aug 20, 2026, 3:49 PM UTC | Aug 22, 2026, 6:12 PM UTC |
| B39M | Boeing 737 MAX 9 | 1 | 2.9% | 1 | 1,198 mi | 1 | Sep 22, 2026, 5:52 PM UTC | Sep 22, 2026, 8:26 PM UTC |
| B738 | Boeing 737-800 | 1 | 2.9% | 1 | 1,147 mi | 1 | Sep 19, 2026, 3:49 PM UTC | Sep 19, 2026, 6:14 PM UTC |
| B739 | Boeing 737-900 | 1 | 2.9% | 1 | 1,133 mi | 1 | Sep 13, 2026, 4:08 PM UTC | Sep 13, 2026, 6:33 PM UTC |
Observation log
Flight observations
Latest 100 flights for UA1645 within Aug 20 – Sep 24, 2026
| Confidence | Route | Tail number | Aircraft | First observed | Last observed | Observed | Tracked distance |
|---|---|---|---|---|---|---|---|
| High · 100 | B38M | Sep 24, 2026, 10:18 AM UTC | Sep 24, 2026, 12:35 PM UTC | 2 hr 17 min | 1,129 mi | ||
| High · 100 | B737 | Sep 23, 2026, 4:16 PM UTC | Sep 23, 2026, 6:38 PM UTC | 2 hr 22 min | 1,151 mi | ||
| High · 100 |