34 active days
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Tracked flight number
DL121
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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6,267 mi avg per flight
12 hr 14 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 DL121
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 | 213,080 mi | 415 hr 56 min | Aug 20, 2026, 3:29 PM UTC | Sep 24, 2026, 3:56 AM UTC |
Observed tail number assignments
Tail numbers tracked as DL121
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Routes | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| A359 | 4 | 1 | 24,819 mi | Aug 22, 2026, 3:40 PM UTC | Sep 22, 2026, 3:55 AM UTC | |
| A359 | 3 | 1 | 18,774 mi | Aug 29, 2026, 5:14 PM UTC | Sep 23, 2026, 3:37 AM UTC | |
| A359 | 3 | 1 | 18,680 mi | Aug 27, 2026, 4:06 PM UTC | Sep 19, 2026, 3:28 AM UTC | |
| A359 | 3 | 1 | 19,037 mi | Aug 24, 2026, 3:35 PM UTC | Sep 17, 2026, 4:02 AM UTC | |
| A359 | 2 | 1 | 12,521 mi | Aug 26, 2026, 3:33 PM UTC | Sep 24, 2026, 3:56 AM UTC | |
Observed aircraft types
Aircraft types tracked as DL121
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 |
|---|---|---|---|---|---|---|---|---|
| A359 | Airbus A350-900 | 34 | 100.0% | 18 | 213,080 mi | 1 | Aug 20, 2026, 3:29 PM UTC | Sep 24, 2026, 3:56 AM UTC |
Observation log
Flight observations
Latest 100 flights for DL121 within Aug 20 – Sep 24, 2026
| Confidence | Route | Tail number | Aircraft | First observed | Last observed | Observed | Tracked distance |
|---|---|---|---|---|---|---|---|
| High · 100 | A359 | Sep 23, 2026, 3:25 PM UTC | Sep 24, 2026, 3:56 AM UTC | 12 hr 31 min | 6,157 mi | ||
| High · 100 | A359 | Sep 22, 2026, 3:24 PM UTC | Sep 23, 2026, 3:37 AM UTC | 12 hr 13 min | 6,118 mi | ||
| High · 100 |