35 active days
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Tracked flight number
DL2521
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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1,021 mi avg per flight
2 hr 11 min average
Average across flights included in analytics
1 aircraft type
Tracked activity
Aug 20 – Sep 24, 2026 · 35 active days
Flights65
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Observed route footprint
Routes tracked as DL2521
Directional airport pairings in Aug 20 – Sep 24, 2026.
| Route | Flights | Active days | Tail numbers | Tracked distance | Observed | First observed | Last observed |
|---|---|---|---|---|---|---|---|
| 34 | 32 | 0 | 34,973 mi | 78 hr 47 min | Aug 20, 2026, 7:17 PM UTC | Sep 23, 2026, 9:25 PM UTC | |
| 30 | 30 | 0 | 30,750 mi | 61 hr 49 min | Aug 20, 2026, 3:46 PM UTC | Sep 23, 2026, 5:43 PM UTC | |
| 1 | 1 | 0 | 648 mi | 1 hr 22 min | Sep 7, 2026, 1:00 AM UTC | Sep 7, 2026, 2:22 AM UTC |
Observed tail number assignments
Tail numbers tracked as DL2521
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Routes | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| BCS1 | 6 | 2 | 6,176 mi | Sep 2, 2026, 3:37 PM UTC | Sep 13, 2026, 9:52 PM UTC | |
| BCS1 | 5 | 2 | 5,097 mi | Aug 20, 2026, 3:46 PM UTC | Sep 16, 2026, 9:35 PM UTC | |
| BCS1 | 5 | 2 | 5,157 mi | Aug 31, 2026, 3:41 PM UTC | Sep 10, 2026, 9:44 PM UTC | |
| BCS1 | 5 | 3 | 4,713 mi | Aug 28, 2026, 3:44 PM UTC | Sep 7, 2026, 2:22 AM UTC | |
| BCS1 | 4 | 2 | 4,216 mi | Sep 8, 2026, 4:05 PM UTC | Sep 22, 2026, 9:24 PM UTC | |
Observed aircraft types
Aircraft types tracked as DL2521
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 |
|---|---|---|---|---|---|---|---|---|
| BCS1 | Airbus A220-100 | 65 | 100.0% | 23 | 66,371 mi | 3 | Aug 20, 2026, 3:46 PM UTC | Sep 23, 2026, 9:25 PM UTC |
Observation log
Flight observations
Latest 100 flights for DL2521 within Aug 20 – Sep 24, 2026
| Confidence | Route | Tail number | Aircraft | First observed | Last observed | Observed | Tracked distance |
|---|---|---|---|---|---|---|---|
| Low · 35 | Route unverified | BCS1 | Sep 24, 2026, 8:40 AM UTC | Sep 24, 2026, 9:10 AM UTC | 30 min | 0.1 mi | |
| High · 100 | BCS1 | Sep 23, 2026, 7:10 PM UTC | Sep 23, 2026, 9:25 PM UTC | 2 hr 16 min | 1,030 mi | ||
| Low · 35 | Route unverified |