15 active days
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Tracked flight number
NU4
Analysis window
Aug 25 – 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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642 mi avg per flight
1 hr 21 min average
Average across flights included in analytics
1 aircraft type
Tracked activity
Aug 25 – Sep 24, 2026 · 15 active days
Flights15
Aug 25
Aug 31
Sep 1
Sep 2
Sep 3
Sep 7
Sep 8
Sep 10
Sep 13
Sep 16
Sep 17
Sep 18
Sep 21
Sep 22
Sep 24
Observed route footprint
Routes tracked as NU4
Directional airport pairings in Aug 25 – Sep 24, 2026.
| Route | Flights | Active days | Tail numbers | Tracked distance | Observed | First observed | Last observed |
|---|---|---|---|---|---|---|---|
| 15 | 15 | 0 | 9,630 mi | 20 hr 9 min | Aug 25, 2026, 2:43 AM UTC | Sep 24, 2026, 4:09 AM UTC |
Observed tail number assignments
Tail numbers tracked as NU4
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Routes | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| B738 | 3 | 1 | 1,925 mi | Aug 25, 2026, 2:43 AM UTC | Sep 24, 2026, 4:09 AM UTC | |
| B738 | 3 | 1 | 1,949 mi | Sep 8, 2026, 3:22 AM UTC | Sep 22, 2026, 4:00 AM UTC | |
| B738 | 3 | 1 | 1,865 mi | Sep 3, 2026, 2:56 AM UTC | Sep 16, 2026, 4:15 AM UTC | |
| B738 | 2 | 1 | 1,315 mi | Sep 17, 2026, 2:55 AM UTC | Sep 21, 2026, 4:02 AM UTC | |
| B738 | 2 | 1 | 1,321 mi | Aug 31, 2026, 2:39 AM UTC | Sep 1, 2026, 4:09 AM UTC | |
Observed aircraft types
Aircraft types tracked as NU4
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 | 15 | 100.0% | 7 | 9,630 mi | 1 | Aug 25, 2026, 2:43 AM UTC | Sep 24, 2026, 4:09 AM UTC |
Observation log
Flight observations
Latest 100 flights for NU4 within Aug 25 – Sep 24, 2026
| Confidence | Route | Tail number | Aircraft | First observed | Last observed | Observed | Tracked distance |
|---|---|---|---|---|---|---|---|
| High · 100 | B738 | Sep 24, 2026, 2:53 AM UTC | Sep 24, 2026, 4:09 AM UTC | 1 hr 16 min | 611 mi | ||
| Limited · 84 | Route unverified | B738 | Sep 23, 2026, 3:04 AM UTC | Sep 23, 2026, 4:15 AM UTC | 1 hr 11 min | 571 mi | |
| High · 100 |