34 active days
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Tracked flight number
ZH121
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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705 mi avg per flight
1 hr 37 min average
Average across flights included in analytics
1 aircraft type
Tracked activity
Aug 20 – Sep 24, 2026 · 34 active days
Flights34
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Observed route footprint
Routes tracked as ZH121
Directional airport pairings in Aug 20 – Sep 24, 2026.
| Route | Flights | Active days | Tail numbers | Tracked distance | Observed | First observed | Last observed |
|---|---|---|---|---|---|---|---|
| 34 | 34 | 0 | 23,961 mi | 55 hr 1 min | Aug 20, 2026, 4:38 AM UTC | Sep 24, 2026, 5:27 AM UTC |
Observed tail number assignments
Tail numbers tracked as ZH121
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Routes | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| B738 | 2 | 1 | 1,390 mi | Aug 20, 2026, 4:38 AM UTC | Sep 23, 2026, 5:36 AM UTC | |
| B738 | 2 | 1 | 1,340 mi | Aug 27, 2026, 4:57 AM UTC | Sep 21, 2026, 5:29 AM UTC | |
| B738 | 2 | 1 | 1,247 mi | Sep 6, 2026, 4:43 AM UTC | Sep 15, 2026, 5:11 AM UTC | |
| B738 | 2 | 1 | 1,345 mi | Sep 3, 2026, 3:56 AM UTC | Sep 14, 2026, 5:33 AM UTC | |
| B738 | 2 | 1 | 1,350 mi | Sep 2, 2026, 3:46 AM UTC | Sep 10, 2026, 5:07 AM UTC | |
Observed aircraft types
Aircraft types tracked as ZH121
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 | 34 | 100.0% | 26 | 23,961 mi | 1 | Aug 20, 2026, 4:38 AM UTC | Sep 24, 2026, 5:27 AM UTC |
Observation log
Flight observations
Latest 100 flights for ZH121 within Aug 20 – Sep 24, 2026
| Confidence | Route | Tail number | Aircraft | First observed | Last observed | Observed | Tracked distance |
|---|---|---|---|---|---|---|---|
| High · 100 | B738 | Sep 24, 2026, 3:53 AM UTC | Sep 24, 2026, 5:27 AM UTC | 1 hr 33 min | 674 mi | ||
| High · 100 | B738 | Sep 23, 2026, 3:51 AM UTC | Sep 23, 2026, 5:36 AM UTC | 1 hr 45 min | 758 mi | ||
| Low · 20 | Route unverified |