23 active days
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Tracked flight number
SY104
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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1,344 mi avg per flight
2 hr 33 min average
Average across flights included in analytics
2 aircraft types
Tracked activity
Aug 20 – Sep 24, 2026 · 23 active days
Flights23
Aug 20
Aug 21
Aug 22
Aug 23
Aug 24
Aug 26
Aug 27
Aug 28
Aug 29
Aug 30
Sep 1
Sep 8
Sep 9
Sep 10
Sep 12
Sep 13
Sep 14
Sep 15
Sep 16
Sep 17
Sep 19
Sep 21
Sep 22
Observed route footprint
Routes tracked as SY104
Directional airport pairings in Aug 20 – Sep 24, 2026.
| Route | Flights | Active days | Tail numbers | Tracked distance | Observed | First observed | Last observed |
|---|---|---|---|---|---|---|---|
| 23 | 23 | 0 | 30,922 mi | 58 hr 39 min | Aug 20, 2026, 5:18 PM UTC | Sep 22, 2026, 9:41 PM UTC |
Observed tail number assignments
Tail numbers tracked as SY104
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Routes | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| B739 | 5 | 1 | 6,737 mi | Aug 21, 2026, 5:18 PM UTC | Sep 21, 2026, 9:19 PM UTC | |
| B739 | 4 | 1 | 5,386 mi | Aug 26, 2026, 6:12 PM UTC | Sep 17, 2026, 8:28 PM UTC | |
| B739 | 3 | 1 | 3,995 mi | Aug 24, 2026, 6:29 PM UTC | Sep 15, 2026, 9:05 PM UTC | |
| B738 | 2 | 1 | 2,701 mi | Sep 8, 2026, 6:36 PM UTC | Sep 16, 2026, 9:03 PM UTC | |
| B738 | 1 | 1 | 1,321 mi | Sep 22, 2026, 7:12 PM UTC | Sep 22, 2026, 9:41 PM UTC | |
Observed aircraft types
Aircraft types tracked as SY104
Observed flights grouped by aircraft designator and matched to the aircraft reference catalog.
Observation log
Flight observations
Latest 100 flights for SY104 within Aug 20 – Sep 24, 2026
| Confidence | Route | Tail number | Aircraft | First observed | Last observed | Observed | Tracked distance |
|---|---|---|---|---|---|---|---|
| High · 100 | B738 | Sep 22, 2026, 7:12 PM UTC | Sep 22, 2026, 9:41 PM UTC | 2 hr 29 min | 1,321 mi | ||
| High · 100 | B739 | Sep 21, 2026, 6:43 PM UTC | Sep 21, 2026, 9:19 PM UTC | 2 hr 36 min | 1,330 mi | ||
| Limited · 84 | Route unverified |