36 active days
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Tracked flight number
UA377
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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992 mi avg per flight
2 hr 5 min average
Average across flights included in analytics
3 aircraft types
Tracked activity
Aug 20 – Sep 24, 2026 · 36 active days
Flights64
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Observed route footprint
Routes tracked as UA377
Directional airport pairings in Aug 20 – Sep 24, 2026.
Observed tail number assignments
Tail numbers tracked as UA377
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Routes | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| B739 | 3 | 1 | 3,109 mi | Aug 28, 2026, 7:54 PM UTC | Sep 24, 2026, 12:33 AM UTC | |
| A21N | 3 | 1 | 3,039 mi | Aug 23, 2026, 3:18 AM UTC | Sep 20, 2026, 5:54 AM UTC | |
| B739 | 2 | 1 | 2,084 mi | Sep 19, 2026, 8:02 PM UTC | Sep 20, 2026, 10:21 PM UTC | |
| B739 | 2 | 1 | 2,093 mi | Sep 17, 2026, 8:28 PM UTC | Sep 18, 2026, 10:07 PM UTC | |
| A21N | 2 | 1 | 1,865 mi | Aug 30, 2026, 3:15 AM UTC | Sep 17, 2026, 6:01 AM UTC | |
Observed aircraft types
Aircraft types tracked as UA377
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 |
|---|---|---|---|---|---|---|---|---|
| B739 | Boeing 737-900 | 33 | 51.6% | 28 | 34,090 mi | 2 | Aug 20, 2026, 8:04 PM UTC | Sep 24, 2026, 12:33 AM UTC |
| A21N | Airbus A321neo | 30 | 46.9% | 26 | 28,277 mi | 1 | Aug 20, 2026, 2:43 AM UTC | Sep 24, 2026, 4:36 AM UTC |
| B738 | Boeing 737-800 | 1 | 1.6% | 1 | 1,102 mi | 1 | Sep 7, 2026, 12:20 AM UTC | Sep 7, 2026, 2:39 AM UTC |
Observation log
Flight observations
Latest 100 flights for UA377 within Aug 20 – Sep 24, 2026
| Confidence | Route | Tail number | Aircraft | First observed | Last observed | Observed | Tracked distance |
|---|---|---|---|---|---|---|---|
| High · 100 | A21N | Sep 24, 2026, 2:49 AM UTC | Sep 24, 2026, 4:36 AM UTC | 1 hr 47 min | 903 mi | ||
| High · 100 | B739 | Sep 23, 2026, 10:17 PM UTC | Sep 24, 2026, 12:33 AM UTC | 2 hr 16 min | 1,002 mi | ||
| High · 100 |