33 active days
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Tracked flight number
AS404
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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2,439 mi avg per flight
4 hr 29 min average
Average across flights included in analytics
4 aircraft types
Tracked activity
Aug 20 – Sep 24, 2026 · 33 active days
Flights33
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Observed route footprint
Routes tracked as AS404
Directional airport pairings in Aug 20 – Sep 24, 2026.
| Route | Flights | Active days | Tail numbers | Tracked distance | Observed | First observed | Last observed |
|---|---|---|---|---|---|---|---|
| 33 | 33 | 0 | 80,503 mi | 147 hr 49 min | Aug 20, 2026, 2:19 AM UTC | Sep 24, 2026, 6:46 AM UTC |
Observed tail number assignments
Tail numbers tracked as AS404
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Routes | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| B739 | 3 | 1 | 7,383 mi | Aug 27, 2026, 1:59 AM UTC | Sep 20, 2026, 6:37 AM UTC | |
| B739 | 2 | 1 | 4,866 mi | Sep 21, 2026, 2:04 AM UTC | Sep 23, 2026, 7:05 AM UTC | |
| B39M | 2 | 1 | 4,919 mi | Sep 15, 2026, 2:10 AM UTC | Sep 22, 2026, 6:20 AM UTC | |
| B39M | 2 | 1 | 4,822 mi | Sep 7, 2026, 2:03 AM UTC | Sep 14, 2026, 6:23 AM UTC | |
| B739 | 2 | 1 | 4,852 mi | Aug 25, 2026, 2:08 AM UTC | Aug 31, 2026, 6:47 AM UTC | |
Observed aircraft types
Aircraft types tracked as AS404
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 |
|---|---|---|---|---|---|---|---|---|
| B39M | Boeing 737 MAX 9 | 18 | 54.5% | 16 | 43,866 mi | 1 | Aug 20, 2026, 2:19 AM UTC | Sep 24, 2026, 6:46 AM UTC |
| B739 | Boeing 737-900 | 13 | 39.4% | 8 | 31,730 mi | 1 | Aug 25, 2026, 2:08 AM UTC | Sep 23, 2026, 7:05 AM UTC |
| B38M | Boeing 737 MAX 8 | 1 | 3.0% | 1 | 2,432 mi | 1 | Sep 8, 2026, 1:53 AM UTC | Sep 8, 2026, 6:22 AM UTC |
| B738 | Boeing 737-800 | 1 | 3.0% | 1 | 2,476 mi | 1 | Sep 4, 2026, 3:42 AM UTC | Sep 4, 2026, 8:21 AM UTC |
Observation log
Flight observations
Latest 100 flights for AS404 within Aug 20 – Sep 24, 2026
| Confidence | Route | Tail number | Aircraft | First observed | Last observed | Observed | Tracked distance |
|---|---|---|---|---|---|---|---|
| High · 100 | B39M | Sep 24, 2026, 2:13 AM UTC | Sep 24, 2026, 6:46 AM UTC | 4 hr 33 min | 2,437 mi | ||
| High · 100 | B739 | Sep 23, 2026, 2:36 AM UTC | Sep 23, 2026, 7:05 AM UTC | 4 hr 29 min | 2,430 mi | ||
| High · 100 |