34 active days
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Tracked flight number
UA1540
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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854 mi avg per flight
1 hr 44 min average
Average across flights included in analytics
3 aircraft types
Tracked activity
Aug 20 – Sep 24, 2026 · 34 active days
Flights42
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Observed route footprint
Routes tracked as UA1540
Directional airport pairings in Aug 20 – Sep 24, 2026.
Observed tail number assignments
Tail numbers tracked as UA1540
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Routes | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| B738 | 2 | 1 | 1,375 mi | Sep 2, 2026, 12:33 PM UTC | Sep 23, 2026, 2:14 PM UTC | |
| B738 | 2 | 1 | 1,479 mi | Sep 13, 2026, 12:33 PM UTC | Sep 22, 2026, 2:07 PM UTC | |
| B738 | 2 | 1 | 1,329 mi | Sep 1, 2026, 12:36 PM UTC | Sep 20, 2026, 1:54 PM UTC | |
| B738 | 2 | 2 | 2,279 mi | Aug 26, 2026, 12:33 PM UTC | Sep 18, 2026, 7:19 PM UTC | |
| B738 | 2 | 1 | 1,248 mi | Aug 24, 2026, 12:32 PM UTC | Sep 14, 2026, 1:47 PM UTC | |
Observed aircraft types
Aircraft types tracked as UA1540
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 | 39 | 92.9% | 31 | 33,795 mi | 2 | Aug 21, 2026, 12:33 PM UTC | Sep 23, 2026, 2:14 PM UTC |
| B39M | Boeing 737 MAX 9 | 2 | 4.8% | 2 | 1,360 mi | 1 | Aug 20, 2026, 12:37 PM UTC | Sep 8, 2026, 2:02 PM UTC |
| B739 | Boeing 737-900 | 1 | 2.4% | 1 | 717 mi | 1 | Sep 10, 2026, 12:47 PM UTC | Sep 10, 2026, 2:19 PM UTC |
Observation log
Flight observations
Latest 100 flights for UA1540 within Aug 20 – Sep 24, 2026