35 active days
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Tracked flight number
DL1521
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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1,905 mi avg per flight
3 hr 39 min average
Average across flights included in analytics
1 aircraft type
Tracked activity
Aug 20 – Sep 24, 2026 · 35 active days
Flights37
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Observed route footprint
Routes tracked as DL1521
Directional airport pairings in Aug 20 – Sep 24, 2026.
| Route | Flights | Active days | Tail numbers | Tracked distance | Observed | First observed | Last observed |
|---|---|---|---|---|---|---|---|
| 35 | 35 | 0 | 70,105 mi | 134 hr 5 min | Aug 20, 2026, 6:57 PM UTC | Sep 23, 2026, 10:17 PM UTC | |
| 1 | 1 | 0 | 213 mi | 44 min | Sep 20, 2026, 1:59 AM UTC | Sep 20, 2026, 2:42 AM UTC | |
| 1 | 1 | 0 | 176 mi | 30 min | Sep 6, 2026, 1:52 AM UTC | Sep 6, 2026, 2:22 AM UTC |
Observed tail number assignments
Tail numbers tracked as DL1521
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Routes | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| B752 | 7 | 2 | 12,338 mi | Aug 23, 2026, 6:51 PM UTC | Sep 22, 2026, 11:05 PM UTC | |
| B752 | 5 | 2 | 8,268 mi | Aug 24, 2026, 6:58 PM UTC | Sep 20, 2026, 2:42 AM UTC | |
| B752 | 4 | 1 | 7,895 mi | Aug 22, 2026, 9:18 PM UTC | Sep 23, 2026, 10:17 PM UTC | |
| B752 | 4 | 1 | 7,937 mi | Sep 2, 2026, 6:57 PM UTC | Sep 17, 2026, 11:05 PM UTC | |
| B752 | 3 | 1 | 6,032 mi | Sep 9, 2026, 7:04 PM UTC | Sep 21, 2026, 10:46 PM UTC | |
Observed aircraft types
Aircraft types tracked as DL1521
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 |
|---|---|---|---|---|---|---|---|---|
| B752 | Boeing 757-200 | 37 | 100.0% | 13 | 70,493 mi | 3 | Aug 20, 2026, 6:57 PM UTC | Sep 23, 2026, 10:17 PM UTC |
Observation log
Flight observations
Latest 100 flights for DL1521 within Aug 20 – Sep 24, 2026
| Confidence | Route | Tail number | Aircraft | First observed | Last observed | Observed | Tracked distance |
|---|---|---|---|---|---|---|---|
| High · 100 | B752 | Sep 23, 2026, 6:48 PM UTC | Sep 23, 2026, 10:17 PM UTC | 3 hr 30 min | 1,923 mi | ||
| High · 100 | B752 | Sep 22, 2026, 7:24 PM UTC | Sep 22, 2026, 11:05 PM UTC | 3 hr 40 min | 2,005 mi | ||
| High · 100 |