2 active days
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Tracked flight number
4Z21
Analysis window
Aug 23 – 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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861 mi avg per flight
1 hr 35 min average
Average across flights included in analytics
1 aircraft type
Tracked activity
Aug 23 – Sep 24, 2026 · 2 active days
Flights2
Aug 23
Sep 23
Observed route footprint
Routes tracked as 4Z21
Directional airport pairings in Aug 23 – Sep 24, 2026.
| Route | Flights | Active days | Tail numbers | Tracked distance | Observed | First observed | Last observed |
|---|---|---|---|---|---|---|---|
| 2 | 2 | 0 | 1,722 mi | 3 hr 10 min | Aug 23, 2026, 9:42 AM UTC | Sep 23, 2026, 10:55 AM UTC |
Observed tail number assignments
Tail numbers tracked as 4Z21
Open a tail number for its complete tracked profile.
Observed aircraft types
Aircraft types tracked as 4Z21
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 |
|---|---|---|---|---|---|---|---|---|
| E190 | Embraer E190 | 2 | 100.0% | 2 | 1,722 mi | 1 | Aug 23, 2026, 9:42 AM UTC | Sep 23, 2026, 10:55 AM UTC |
Observation log
Flight observations
Latest 100 flights for 4Z21 within Aug 23 – Sep 24, 2026
| Confidence | Route | Tail number | Aircraft | First observed | Last observed | Observed | Tracked distance |
|---|---|---|---|---|---|---|---|
| Limited · 84 | Route unverified | E190 | Sep 24, 2026, 9:40 AM UTC | Sep 24, 2026, 10:07 AM UTC | 27 min | 252 mi | |
| High · 100 | E190 | Sep 23, 2026, 9:23 AM UTC | Sep 23, 2026, 10:55 AM UTC | 1 hr 32 min | 834 mi | ||
| Limited · 84 | Route unverified |