34 active days
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Tracked flight number
UA1591
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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2,385 mi avg per flight
4 hr 59 min average
Average across flights included in analytics
3 aircraft types
Tracked activity
Aug 20 – Sep 24, 2026 · 34 active days
Flights34
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Observed route footprint
Routes tracked as UA1591
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 | 81,096 mi | 169 hr 35 min | Aug 20, 2026, 11:07 AM UTC | Sep 23, 2026, 4:11 PM UTC |
Observed tail number assignments
Tail numbers tracked as UA1591
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Routes | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| B738 | 2 | 1 | 4,740 mi | Sep 9, 2026, 11:13 AM UTC | Sep 12, 2026, 4:17 PM UTC | |
| B738 | 2 | 1 | 4,723 mi | Sep 8, 2026, 11:15 AM UTC | Sep 11, 2026, 4:26 PM UTC | |
| B738 | 2 | 1 | 4,837 mi | Aug 22, 2026, 11:07 AM UTC | Aug 26, 2026, 4:16 PM UTC | |
| B738 | 1 | 1 | 2,337 mi | Sep 23, 2026, 11:12 AM UTC | Sep 23, 2026, 4:11 PM UTC | |
| B738 | 1 | 1 | 2,354 mi | Sep 22, 2026, 11:13 AM UTC | Sep 22, 2026, 4:25 PM UTC | |
Observed aircraft types
Aircraft types tracked as UA1591
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 |
|---|---|---|---|---|---|---|---|---|
| B738 | Boeing 737-800 | 30 | 88.2% | 27 | 71,447 mi | 1 | Aug 21, 2026, 11:19 AM UTC | Sep 23, 2026, 4:11 PM UTC |
| B739 | Boeing 737-900 | 2 | 5.9% | 2 | 4,751 mi | 1 | Aug 27, 2026, 11:29 AM UTC | Sep 3, 2026, 4:06 PM UTC |
| B39M | Boeing 737 MAX 9 | 2 | 5.9% | 2 | 4,898 mi | 1 | Aug 20, 2026, 11:07 AM UTC | Aug 29, 2026, 4:10 PM UTC |
Observation log
Flight observations
Latest 100 flights for UA1591 within Aug 20 – Sep 24, 2026
| Confidence | Route | Tail number | Aircraft | First observed | Last observed | Observed | Tracked distance |
|---|---|---|---|---|---|---|---|
| High · 100 | B38M | Sep 24, 2026, 12:09 PM UTC | Sep 24, 2026, 4:54 PM UTC | 4 hr 45 min | 2,348 mi | ||
| High · 100 | B738 | Sep 23, 2026, 11:12 AM UTC | Sep 23, 2026, 4:11 PM UTC | 4 hr 59 min | 2,337 mi | ||
| High · 100 |