35 active days
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Tracked flight number
DL2121
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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1,590 mi avg per flight
3 hr 13 min average
Average across flights included in analytics
3 aircraft types
Tracked activity
Aug 20 – Sep 24, 2026 · 35 active days
Flights68
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Observed route footprint
Routes tracked as DL2121
Directional airport pairings in Aug 20 – Sep 24, 2026.
Observed tail number assignments
Tail numbers tracked as DL2121
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Routes | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| A321 | 4 | 2 | 6,318 mi | Sep 16, 2026, 2:03 PM UTC | Sep 23, 2026, 10:13 PM UTC | |
| A321 | 4 | 2 | 6,239 mi | Aug 30, 2026, 2:13 PM UTC | Sep 22, 2026, 10:15 PM UTC | |
| A321 | 4 | 2 | 6,386 mi | Aug 26, 2026, 1:57 PM UTC | Sep 18, 2026, 10:07 PM UTC | |
| A321 | 4 | 2 | 6,493 mi | Aug 29, 2026, 1:56 PM UTC | Sep 3, 2026, 10:12 PM UTC | |
| A321 | 3 | 2 | 4,769 mi | Sep 13, 2026, 2:16 PM UTC | Sep 14, 2026, 10:58 PM UTC | |
Observed aircraft types
Aircraft types tracked as DL2121
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 |
|---|---|---|---|---|---|---|---|---|
| A321 | Airbus A321 | 64 | 94.1% | 28 | 101,797 mi | 2 | Aug 21, 2026, 2:11 PM UTC | Sep 23, 2026, 10:13 PM UTC |
| B739 | Boeing 737-900 | 2 | 2.9% | 1 | 3,187 mi | 2 | Aug 23, 2026, 2:16 PM UTC | Aug 23, 2026, 10:01 PM UTC |
| A21N | Airbus A321neo | 2 | 2.9% | 1 | 3,153 mi | 2 | Aug 20, 2026, 2:02 PM UTC | Aug 20, 2026, 10:29 PM UTC |
Observation log
Flight observations
Latest 100 flights for DL2121 within Aug 20 – Sep 24, 2026