20 active days
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Tracked flight number
DL1021
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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176 mi avg per flight
30 min average
Average across flights included in analytics
1 aircraft type
Tracked activity
Aug 20 – Sep 24, 2026 · 20 active days
Flights20
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Observed route footprint
Routes tracked as DL1021
Directional airport pairings in Aug 20 – Sep 24, 2026.
| Route | Flights | Active days | Tail numbers | Tracked distance | Observed | First observed | Last observed |
|---|---|---|---|---|---|---|---|
| 20 | 20 | 0 | 3,513 mi | 9 hr 53 min | Aug 20, 2026, 10:21 PM UTC | Sep 21, 2026, 11:44 PM UTC |
Observed tail number assignments
Tail numbers tracked as DL1021
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Routes | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| B739 | 2 | 1 | 387 mi | Sep 6, 2026, 10:17 PM UTC | Sep 10, 2026, 11:47 PM UTC | |
| B739 | 2 | 1 | 328 mi | Aug 31, 2026, 9:52 PM UTC | Sep 3, 2026, 10:20 PM UTC | |
| B739 | 2 | 1 | 354 mi | Aug 22, 2026, 10:17 PM UTC | Sep 2, 2026, 10:22 PM UTC | |
| B739 | 2 | 1 | 367 mi | Aug 26, 2026, 10:29 PM UTC | Aug 27, 2026, 10:53 PM UTC | |
| B739 | 1 | 1 | 172 mi | Sep 21, 2026, 11:14 PM UTC | Sep 21, 2026, 11:44 PM UTC | |
Observed aircraft types
Aircraft types tracked as DL1021
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 |
|---|---|---|---|---|---|---|---|---|
| B739 | Boeing 737-900 | 20 | 100.0% | 16 | 3,513 mi | 1 | Aug 20, 2026, 10:21 PM UTC | Sep 21, 2026, 11:44 PM UTC |
Observation log
Flight observations
Latest 100 flights for DL1021 within Aug 20 – Sep 24, 2026