16 active days
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Tracked flight number
AC521
Analysis window
Sep 7–24, 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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803 mi avg per flight
1 hr 57 min average
Average across flights included in analytics
3 aircraft types
Tracked activity
Sep 7–24, 2026 · 16 active days
Flights16
Sep 7
Sep 8
Sep 9
Sep 10
Sep 11
Sep 12
Sep 13
Sep 14
Sep 15
Sep 16
Sep 17
Sep 18
Sep 20
Sep 21
Sep 22
Sep 23
Observed route footprint
Routes tracked as AC521
Directional airport pairings in Sep 7–24, 2026.
| Route | Flights | Active days | Tail numbers | Tracked distance | Observed | First observed | Last observed |
|---|---|---|---|---|---|---|---|
| 16 | 16 | 0 | 12,852 mi | 31 hr 15 min | Sep 7, 2026, 12:52 PM UTC | Sep 23, 2026, 2:52 PM UTC |
Observed tail number assignments
Tail numbers tracked as AC521
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Routes | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| BCS3 | 2 | 1 | 1,601 mi | Sep 11, 2026, 12:56 PM UTC | Sep 23, 2026, 2:52 PM UTC | |
| BCS3 | 2 | 1 | 1,573 mi | Sep 14, 2026, 1:12 PM UTC | Sep 15, 2026, 4:12 PM UTC | |
| BCS3 | 2 | 1 | 1,573 mi | Sep 7, 2026, 12:52 PM UTC | Sep 13, 2026, 2:58 PM UTC | |
| BCS3 | 1 | 1 | 815 mi | Sep 22, 2026, 1:04 PM UTC | Sep 22, 2026, 3:02 PM UTC | |
| BCS3 | 1 | 1 | 816 mi | Sep 21, 2026, 1:23 PM UTC | Sep 21, 2026, 3:26 PM UTC | |
Observed aircraft types
Aircraft types tracked as AC521
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 |
|---|---|---|---|---|---|---|---|---|
| BCS3 | Airbus A220-300 | 14 | 87.5% | 11 | 11,241 mi | 1 | Sep 7, 2026, 12:52 PM UTC | Sep 23, 2026, 2:52 PM UTC |
| B38M | Boeing 737 MAX 8 | 1 | 6.3% | 1 | 817 mi | 1 | Sep 16, 2026, 1:03 PM UTC | Sep 16, 2026, 3:02 PM UTC |
| A320 | Airbus A320 | 1 | 6.3% | 1 | 794 mi | 1 | Sep 8, 2026, 1:11 PM UTC | Sep 8, 2026, 2:56 PM UTC |
Observation log
Flight observations
Latest 100 flights for AC521 within Sep 7–24, 2026