33 active days
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Tracked flight number
DL521
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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1,301 mi avg per flight
2 hr 41 min average
Average across flights included in analytics
1 aircraft type
Tracked activity
Aug 20 – Sep 24, 2026 · 33 active days
Flights62
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Observed route footprint
Routes tracked as DL521
Directional airport pairings in Aug 20 – Sep 24, 2026.
Observed tail number assignments
Tail numbers tracked as DL521
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Routes | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| A319 | 8 | 2 | 10,329 mi | Aug 24, 2026, 2:38 PM UTC | Sep 13, 2026, 9:32 PM UTC | |
| A319 | 5 | 2 | 6,586 mi | Aug 25, 2026, 5:18 PM UTC | Sep 6, 2026, 9:20 PM UTC | |
| A319 | 4 | 2 | 5,224 mi | Aug 26, 2026, 4:49 PM UTC | Sep 24, 2026, 12:05 AM UTC | |
| A319 | 4 | 2 | 5,170 mi | Sep 19, 2026, 4:49 PM UTC | Sep 22, 2026, 5:19 AM UTC | |
| A319 | 4 | 2 | 5,217 mi | Sep 9, 2026, 4:50 PM UTC | Sep 18, 2026, 9:43 PM UTC | |
Observed aircraft types
Aircraft types tracked as DL521
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 |
|---|---|---|---|---|---|---|---|---|
| A319 | Airbus A319 | 62 | 100.0% | 22 | 80,637 mi | 2 | Aug 20, 2026, 2:40 PM UTC | Sep 24, 2026, 12:05 AM UTC |
Observation log
Flight observations
Latest 100 flights for DL521 within Aug 20 – Sep 24, 2026