34 active days
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Tracked flight number
UA427
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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2,581 mi avg per flight
4 hr 48 min average
Average across flights included in analytics
3 aircraft types
Tracked activity
Aug 20 – Sep 24, 2026 · 34 active days
Flights34
Aug 20
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Observed route footprint
Routes tracked as UA427
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 | 87,739 mi | 163 hr 16 min | Aug 20, 2026, 10:57 PM UTC | Sep 24, 2026, 2:05 AM UTC |
Observed tail number assignments
Tail numbers tracked as UA427
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Routes | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| B38M | 2 | 1 | 5,159 mi | Sep 2, 2026, 9:07 PM UTC | Sep 18, 2026, 2:52 AM UTC | |
| B38M | 1 | 1 | 2,613 mi | Sep 23, 2026, 9:06 PM UTC | Sep 24, 2026, 2:05 AM UTC | |
| B38M | 1 | 1 | 2,544 mi | Sep 22, 2026, 9:10 PM UTC | Sep 23, 2026, 1:46 AM UTC | |
| B38M | 1 | 1 | 2,507 mi | Sep 20, 2026, 9:36 PM UTC | Sep 21, 2026, 2:08 AM UTC | |
| B38M | 1 | 1 | 2,605 mi | Sep 19, 2026, 8:58 PM UTC | Sep 20, 2026, 1:49 AM UTC | |
Observed aircraft types
Aircraft types tracked as UA427
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 |
|---|---|---|---|---|---|---|---|---|
| B38M | Boeing 737 MAX 8 | 28 | 82.4% | 27 | 71,788 mi | 1 | Aug 20, 2026, 10:57 PM UTC | Sep 24, 2026, 2:05 AM UTC |
| B739 | Boeing 737-900 | 5 | 14.7% | 5 | 13,448 mi | 1 | Aug 22, 2026, 9:03 PM UTC | Sep 10, 2026, 2:46 AM UTC |
| B39M | Boeing 737 MAX 9 | 1 | 2.9% | 1 | 2,503 mi | 1 | Aug 24, 2026, 9:45 PM UTC | Aug 25, 2026, 2:28 AM UTC |
Observation log
Flight observations
Latest 100 flights for UA427 within Aug 20 – Sep 24, 2026
| Confidence | Route | Tail number | Aircraft | First observed | Last observed | Observed | Tracked distance |
|---|---|---|---|---|---|---|---|
| High · 100 | B38M | Sep 23, 2026, 9:06 PM UTC | Sep 24, 2026, 2:05 AM UTC | 4 hr 59 min | 2,613 mi | ||
| High · 100 | B38M | Sep 22, 2026, 9:10 PM UTC | Sep 23, 2026, 1:46 AM UTC | 4 hr 36 min | 2,544 mi | ||
| High · 100 |