29 active days
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Tracked flight number
UA558
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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1,722 mi avg per flight
3 hr 15 min average
Average across flights included in analytics
4 aircraft types
Tracked activity
Aug 20 – Sep 24, 2026 · 29 active days
Flights31
Aug 20
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Observed route footprint
Routes tracked as UA558
Directional airport pairings in Aug 20 – Sep 24, 2026.
Observed tail number assignments
Tail numbers tracked as UA558
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Routes | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| A21N | 2 | 1 | 3,646 mi | Aug 25, 2026, 1:50 PM UTC | Sep 22, 2026, 5:20 PM UTC | |
| A21N | 2 | 1 | 3,562 mi | Sep 1, 2026, 1:55 PM UTC | Sep 10, 2026, 5:24 PM UTC | |
| A21N | 2 | 1 | 3,610 mi | Aug 20, 2026, 1:58 PM UTC | Sep 4, 2026, 5:38 PM UTC | |
| A21N | 1 | 1 | 1,845 mi | Sep 23, 2026, 2:03 PM UTC | Sep 23, 2026, 5:45 PM UTC | |
| A21N | 1 | 1 | 1,804 mi | Sep 21, 2026, 1:55 PM UTC | Sep 21, 2026, 5:11 PM UTC | |
Observed aircraft types
Aircraft types tracked as UA558
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 | 26 | 83.9% | 23 | 46,818 mi | 1 | Aug 20, 2026, 1:58 PM UTC | Sep 23, 2026, 5:45 PM UTC |
| A319 | Airbus A319 | 2 | 6.5% | 2 | 1,104 mi | 1 | Sep 13, 2026, 3:05 AM UTC | Sep 20, 2026, 5:20 AM UTC |
| B739 | Boeing 737-900 | 2 | 6.5% | 2 | 3,607 mi | 1 | Sep 13, 2026, 1:58 PM UTC | Sep 16, 2026, 6:37 PM UTC |
| B38M | Boeing 737 MAX 8 | 1 | 3.2% | 1 | 1,841 mi | 1 | Sep 9, 2026, 2:14 PM UTC | Sep 9, 2026, 5:38 PM UTC |
Observation log
Flight observations
Latest 100 flights for UA558 within Aug 20 – Sep 24, 2026
| Confidence | Route | Tail number | Aircraft | First observed | Last observed | Observed | Tracked distance |
|---|---|---|---|---|---|---|---|
| High · 100 | A21N | Sep 23, 2026, 2:03 PM UTC | Sep 23, 2026, 5:45 PM UTC | 3 hr 42 min | 1,845 mi | ||
| High · 100 | A21N | Sep 22, 2026, 2:00 PM UTC | Sep 22, 2026, 5:20 PM UTC | 3 hr 20 min | 1,788 mi | ||
| High · 100 |