28 active days
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Tracked flight number
AC121
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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2,144 mi avg per flight
4 hr 33 min average
Average across flights included in analytics
5 aircraft types
Tracked activity
Aug 20 – Sep 24, 2026 · 28 active days
Flights32
Aug 20
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Observed route footprint
Routes tracked as AC121
Directional airport pairings in Aug 20 – Sep 24, 2026.
| Route | Flights | Active days | Tail numbers | Tracked distance | Observed | First observed | Last observed |
|---|---|---|---|---|---|---|---|
| 32 | 28 | 0 | 68,611 mi | 145 hr 24 min | Aug 20, 2026, 10:37 PM UTC | Sep 24, 2026, 2:45 AM UTC |
Observed tail number assignments
Tail numbers tracked as AC121
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Routes | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| A321 | 3 | 1 | 6,474 mi | Aug 20, 2026, 10:37 PM UTC | Sep 15, 2026, 3:39 AM UTC | |
| B789 | 3 | 1 | 6,375 mi | Aug 31, 2026, 10:31 PM UTC | Sep 14, 2026, 2:58 AM UTC | |
| B77L | 2 | 1 | 4,277 mi | Sep 12, 2026, 10:14 PM UTC | Sep 18, 2026, 3:21 AM UTC | |
| B789 | 2 | 1 | 4,240 mi | Sep 9, 2026, 10:25 PM UTC | Sep 17, 2026, 2:54 AM UTC | |
| B77L | 2 | 1 | 4,249 mi | Sep 8, 2026, 10:37 PM UTC | Sep 12, 2026, 3:34 AM UTC | |
Observed aircraft types
Aircraft types tracked as AC121
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 |
|---|---|---|---|---|---|---|---|---|
| A321 | Airbus A321 | 15 | 46.9% | 11 | 32,432 mi | 1 | Aug 20, 2026, 10:37 PM UTC | Sep 15, 2026, 3:39 AM UTC |
| B789 | Boeing 787-9 Dreamliner | 8 | 25.0% | 5 | 16,950 mi | 1 | Aug 31, 2026, 10:31 PM UTC | Sep 24, 2026, 2:45 AM UTC |
| B77L | Boeing 777-200LR | 5 | 15.6% | 3 | 10,638 mi | 1 | Sep 8, 2026, 10:37 PM UTC | Sep 22, 2026, 2:35 AM UTC |
| B77W | Boeing 777-300ER | 3 | 9.4% | 3 | 6,354 mi | 1 | Sep 15, 2026, 10:33 PM UTC | Sep 21, 2026, 3:42 AM UTC |
| BCS3 | Airbus A220-300 | 1 | 3.1% | 1 | 2,237 mi | 1 | Sep 3, 2026, 2:52 AM UTC | Sep 3, 2026, 7:36 AM UTC |
Observation log
Flight observations
Latest 100 flights for AC121 within Aug 20 – Sep 24, 2026
| Confidence | Route | Tail number | Aircraft | First observed | Last observed | Observed | Tracked distance |
|---|---|---|---|---|---|---|---|
| High · 100 | B789 | Sep 23, 2026, 10:38 PM UTC | Sep 24, 2026, 2:45 AM UTC | 4 hr 8 min | 2,063 mi | ||
| High · 100 | B789 | Sep 22, 2026, 10:36 PM UTC | Sep 23, 2026, 2:48 AM UTC | 4 hr 12 min | 2,149 mi | ||
| High · 100 |