36 active days
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Tracked flight number
UA540
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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960 mi avg per flight
2 hr 1 min average
Average across flights included in analytics
2 aircraft types
Tracked activity
Aug 20 – Sep 24, 2026 · 36 active days
Flights68
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Observed route footprint
Routes tracked as UA540
Directional airport pairings in Aug 20 – Sep 24, 2026.
| Route | Flights | Active days | Tail numbers | Tracked distance | Observed | First observed | Last observed |
|---|---|---|---|---|---|---|---|
| 33 | 33 | 0 | 29,029 mi | 65 hr 15 min | Aug 20, 2026, 2:13 AM UTC | Sep 24, 2026, 3:30 AM UTC | |
| 31 | 31 | 0 | 32,990 mi | 64 hr 7 min | Aug 20, 2026, 9:16 PM UTC | Sep 23, 2026, 10:17 PM UTC | |
| 2 | 2 | 0 | 2,722 mi | 5 hr 42 min | Aug 24, 2026, 9:18 PM UTC | Aug 28, 2026, 11:09 PM UTC | |
| 1 | 1 | 0 | 293 mi | 52 min | Aug 25, 2026, 1:51 AM UTC | Aug 25, 2026, 2:43 AM UTC | |
| 1 | 1 | 0 | 232 mi | 41 min | Aug 24, 2026, 2:43 AM UTC | Aug 24, 2026, 3:24 AM UTC |
Observed tail number assignments
Tail numbers tracked as UA540
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Routes | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| A21N | 4 | 3 | 3,409 mi | Aug 24, 2026, 9:18 PM UTC | Sep 13, 2026, 3:25 AM UTC | |
| A21N | 3 | 2 | 2,716 mi | Sep 3, 2026, 1:39 AM UTC | Sep 24, 2026, 3:30 AM UTC | |
| A21N | 3 | 2 | 2,857 mi | Aug 22, 2026, 6:32 AM UTC | Sep 22, 2026, 11:12 PM UTC | |
| A21N | 3 | 2 | 2,962 mi | Sep 3, 2026, 8:09 PM UTC | Sep 19, 2026, 4:12 AM UTC | |
| A21N | 3 | 1 | 3,087 mi | Sep 2, 2026, 8:35 PM UTC | Sep 14, 2026, 11:00 PM UTC | |
Observed aircraft types
Aircraft types tracked as UA540
Observed flights grouped by aircraft designator and matched to the aircraft reference catalog.
Observation log
Flight observations
Latest 100 flights for UA540 within Aug 20 – Sep 24, 2026