33 active days
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Tracked flight number
AS397
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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2,210 mi avg per flight
4 hr 26 min average
Average across flights included in analytics
3 aircraft types
Tracked activity
Aug 20 – Sep 24, 2026 · 33 active days
Flights35
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Observed route footprint
Routes tracked as AS397
Directional airport pairings in Aug 20 – Sep 24, 2026.
| Route | Flights | Active days | Tail numbers | Tracked distance | Observed | First observed | Last observed |
|---|---|---|---|---|---|---|---|
| 35 | 33 | 0 | 77,357 mi | 154 hr 58 min | Aug 20, 2026, 11:54 PM UTC | Sep 24, 2026, 2:58 AM UTC |
Observed tail number assignments
Tail numbers tracked as AS397
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Routes | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| B39M | 2 | 1 | 4,440 mi | Sep 6, 2026, 11:35 PM UTC | Sep 18, 2026, 3:28 AM UTC | |
| B39M | 2 | 1 | 4,649 mi | Sep 10, 2026, 10:42 PM UTC | Sep 17, 2026, 3:02 AM UTC | |
| B739 | 2 | 1 | 4,472 mi | Sep 4, 2026, 11:35 PM UTC | Sep 16, 2026, 3:24 AM UTC | |
| B739 | 1 | 1 | 2,154 mi | Sep 23, 2026, 10:38 PM UTC | Sep 24, 2026, 2:58 AM UTC | |
| B39M | 1 | 1 | 2,195 mi | Sep 22, 2026, 10:35 PM UTC | Sep 23, 2026, 3:04 AM UTC | |
Observed aircraft types
Aircraft types tracked as AS397
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 | 21 | 60.0% | 19 | 46,429 mi | 1 | Aug 21, 2026, 11:40 PM UTC | Sep 23, 2026, 3:04 AM UTC |
| B739 | Boeing 737-900 | 13 | 37.1% | 12 | 28,692 mi | 1 | Aug 20, 2026, 11:54 PM UTC | Sep 24, 2026, 2:58 AM UTC |
| B738 | Boeing 737-800 | 1 | 2.9% | 1 | 2,236 mi | 1 | Sep 3, 2026, 11:30 PM UTC | Sep 4, 2026, 3:54 AM UTC |
Observation log
Flight observations
Latest 100 flights for AS397 within Aug 20 – Sep 24, 2026
| Confidence | Route | Tail number | Aircraft | First observed | Last observed | Observed | Tracked distance |
|---|---|---|---|---|---|---|---|
| High · 100 | B739 | Sep 23, 2026, 10:38 PM UTC | Sep 24, 2026, 2:58 AM UTC | 4 hr 20 min | 2,154 mi | ||
| High · 100 | B39M | Sep 22, 2026, 10:35 PM UTC | Sep 23, 2026, 3:04 AM UTC | 4 hr 30 min | 2,195 mi | ||
| High · 100 |