33 active days
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Tracked flight number
FI521
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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1,552 mi avg per flight
3 hr 19 min average
Average across flights included in analytics
2 aircraft types
Tracked activity
Aug 20 – Sep 24, 2026 · 33 active days
Flights33
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Observed route footprint
Routes tracked as FI521
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 | 51,201 mi | 109 hr 37 min | Aug 20, 2026, 12:38 PM UTC | Sep 22, 2026, 3:43 PM UTC |
Observed tail number assignments
Tail numbers tracked as FI521
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Routes | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| B38M | 6 | 1 | 9,323 mi | Aug 22, 2026, 12:11 PM UTC | Sep 8, 2026, 3:28 PM UTC | |
| B39M | 4 | 1 | 6,214 mi | Aug 28, 2026, 12:32 PM UTC | Sep 21, 2026, 4:12 PM UTC | |
| B38M | 4 | 1 | 6,168 mi | Aug 24, 2026, 12:29 PM UTC | Sep 18, 2026, 3:49 PM UTC | |
| B38M | 3 | 1 | 4,805 mi | Aug 21, 2026, 12:14 PM UTC | Sep 13, 2026, 3:46 PM UTC | |
| B38M | 2 | 1 | 3,113 mi | Sep 5, 2026, 12:11 PM UTC | Sep 20, 2026, 3:46 PM UTC | |
Observed aircraft types
Aircraft types tracked as FI521
Observed flights grouped by aircraft designator and matched to the aircraft reference catalog.
Observation log
Flight observations
Latest 100 flights for FI521 within Aug 20 – Sep 24, 2026
| Confidence | Route | Tail number | Aircraft | First observed | Last observed | Observed | Tracked distance |
|---|---|---|---|---|---|---|---|
| High · 100 | B38M | Sep 24, 2026, 12:22 PM UTC | Sep 24, 2026, 3:37 PM UTC | 3 hr 15 min | 1,524 mi | ||
| High · 100 | B38M | Sep 22, 2026, 12:21 PM UTC | Sep 22, 2026, 3:43 PM UTC | 3 hr 23 min | 1,527 mi | ||
| High · 100 |