28 active days
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Tracked flight number
DL21
Analysis window
Aug 21 – 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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4,731 mi avg per flight
9 hr 16 min average
Average across flights included in analytics
1 aircraft type
Tracked activity
Aug 21 – Sep 24, 2026 · 28 active days
Flights29
Aug 21
Aug 22
Aug 23
Aug 24
Aug 25
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Aug 27
Aug 30
Aug 31
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Sep 21
Sep 22
Sep 23
Observed route footprint
Routes tracked as DL21
Directional airport pairings in Aug 21 – Sep 24, 2026.
| Route | Flights | Active days | Tail numbers | Tracked distance | Observed | First observed | Last observed |
|---|---|---|---|---|---|---|---|
| 27 | 27 | 0 | 132,259 mi | 258 hr 55 min | Aug 21, 2026, 5:10 PM UTC | Sep 24, 2026, 3:10 AM UTC | |
| 1 | 1 | 0 | 586 mi | 1 hr 24 min | Sep 11, 2026, 3:22 AM UTC | Sep 11, 2026, 4:46 AM UTC | |
| 1 | 1 | 0 | 4,344 mi | 8 hr 19 min | Sep 10, 2026, 4:55 PM UTC | Sep 11, 2026, 1:14 AM UTC |
Observed tail number assignments
Tail numbers tracked as DL21
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Routes | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| A339 | 5 | 1 | 24,367 mi | Aug 23, 2026, 6:03 PM UTC | Sep 24, 2026, 3:10 AM UTC | |
| A339 | 4 | 1 | 19,584 mi | Sep 11, 2026, 5:00 PM UTC | Sep 21, 2026, 3:35 AM UTC | |
| A339 | 3 | 3 | 9,806 mi | Aug 30, 2026, 5:59 PM UTC | Sep 11, 2026, 4:46 AM UTC | |
| A339 | 2 | 1 | 9,865 mi | Aug 31, 2026, 4:54 PM UTC | Sep 23, 2026, 3:26 AM UTC | |
| A339 | 1 | 1 | 4,995 mi | Sep 21, 2026, 5:08 PM UTC | Sep 22, 2026, 2:59 AM UTC | |
Observed aircraft types
Aircraft types tracked as DL21
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 |
|---|---|---|---|---|---|---|---|---|
| A339 | Airbus A330-900neo | 29 | 100.0% | 19 | 137,189 mi | 3 | Aug 21, 2026, 5:10 PM UTC | Sep 24, 2026, 3:10 AM UTC |
Observation log
Flight observations
Latest 100 flights for DL21 within Aug 21 – Sep 24, 2026
| Confidence | Route | Tail number | Aircraft | First observed | Last observed | Observed | Tracked distance |
|---|---|---|---|---|---|---|---|
| High · 100 | A339 | Sep 23, 2026, 5:05 PM UTC | Sep 24, 2026, 3:10 AM UTC | 10 hr 5 min | 4,918 mi | ||
| High · 100 | A339 | Sep 22, 2026, 5:22 PM UTC | Sep 23, 2026, 3:26 AM UTC | 10 hr 4 min | 4,911 mi | ||
| Limited · 84 | Route unverified |