28 active days
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Tracked flight number
DL2139
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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2,557 mi avg per flight
4 hr 39 min average
Average across flights included in analytics
1 aircraft type
Tracked activity
Aug 20 – Sep 24, 2026 · 28 active days
Flights33
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Observed route footprint
Routes tracked as DL2139
Directional airport pairings in Aug 20 – Sep 24, 2026.
| Route | Flights | Active days | Tail numbers | Tracked distance | Observed | First observed | Last observed |
|---|---|---|---|---|---|---|---|
| 33 | 28 | 0 | 84,372 mi | 153 hr 15 min | Aug 20, 2026, 5:48 AM UTC | Sep 23, 2026, 12:57 AM UTC |
Observed tail number assignments
Tail numbers tracked as DL2139
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Routes | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| A21N | 3 | 1 | 7,678 mi | Sep 4, 2026, 5:48 AM UTC | Sep 23, 2026, 12:57 AM UTC | |
| A21N | 3 | 1 | 7,590 mi | Aug 26, 2026, 5:47 AM UTC | Sep 20, 2026, 12:44 AM UTC | |
| A21N | 3 | 1 | 7,671 mi | Sep 9, 2026, 8:09 PM UTC | Sep 16, 2026, 1:29 AM UTC | |
| A21N | 2 | 1 | 5,021 mi | Sep 14, 2026, 5:06 AM UTC | Sep 22, 2026, 10:12 AM UTC | |
| A21N | 2 | 1 | 5,151 mi | Aug 28, 2026, 5:39 AM UTC | Sep 15, 2026, 9:44 AM UTC | |
Observed aircraft types
Aircraft types tracked as DL2139
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 | 33 | 100.0% | 22 | 84,372 mi | 1 | Aug 20, 2026, 5:48 AM UTC | Sep 23, 2026, 12:57 AM UTC |
Observation log
Flight observations
Latest 100 flights for DL2139 within Aug 20 – Sep 24, 2026
| Confidence | Route | Tail number | Aircraft | First observed | Last observed | Observed | Tracked distance |
|---|---|---|---|---|---|---|---|
| Limited · 84 | Route unverified | A21N | Sep 23, 2026, 10:38 PM UTC | Sep 24, 2026, 12:43 AM UTC | 2 hr 5 min | 1,036 mi | |
| High · 100 | A21N | Sep 22, 2026, 7:55 PM UTC | Sep 23, 2026, 12:57 AM UTC | 5 hr 1 min | 2,585 mi | ||
| High · 100 |