34 active days
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Tracked flight number
DL2399
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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2,068 mi avg per flight
3 hr 50 min average
Average across flights included in analytics
1 aircraft type
Tracked activity
Aug 20 – Sep 24, 2026 · 34 active days
Flights34
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Observed route footprint
Routes tracked as DL2399
Directional airport pairings in Aug 20 – Sep 24, 2026.
| Route | Flights | Active days | Tail numbers | Tracked distance | Observed | First observed | Last observed |
|---|---|---|---|---|---|---|---|
| 34 | 34 | 0 | 70,312 mi | 130 hr 16 min | Aug 20, 2026, 1:19 PM UTC | Sep 23, 2026, 5:22 PM UTC |
Observed tail number assignments
Tail numbers tracked as DL2399
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Routes | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| A21N | 5 | 1 | 10,353 mi | Aug 26, 2026, 1:18 PM UTC | Sep 5, 2026, 4:57 PM UTC | |
| A21N | 3 | 1 | 6,203 mi | Aug 20, 2026, 1:19 PM UTC | Aug 22, 2026, 5:17 PM UTC | |
| A21N | 2 | 1 | 4,104 mi | Sep 9, 2026, 1:26 PM UTC | Sep 23, 2026, 5:22 PM UTC | |
| A21N | 2 | 1 | 4,080 mi | Sep 16, 2026, 1:19 PM UTC | Sep 20, 2026, 5:14 PM UTC | |
| A21N | 2 | 1 | 4,135 mi | Aug 25, 2026, 1:30 PM UTC | Sep 6, 2026, 5:07 PM UTC | |
Observed aircraft types
Aircraft types tracked as DL2399
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 |
|---|---|---|---|---|---|---|---|---|
| A21N | Airbus A321neo | 34 | 100.0% | 24 | 70,312 mi | 1 | Aug 20, 2026, 1:19 PM UTC | Sep 23, 2026, 5:22 PM UTC |
Observation log
Flight observations
Latest 100 flights for DL2399 within Aug 20 – Sep 24, 2026
| Confidence | Route | Tail number | Aircraft | First observed | Last observed | Observed | Tracked distance |
|---|---|---|---|---|---|---|---|
| High · 100 | A21N | Sep 23, 2026, 1:33 PM UTC | Sep 23, 2026, 5:22 PM UTC | 3 hr 49 min | 2,027 mi | ||
| High · 100 | A21N | Sep 22, 2026, 1:16 PM UTC | Sep 22, 2026, 5:01 PM UTC | 3 hr 45 min | 2,039 mi | ||
| High · 100 |