29 active days
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Tracked flight number
DL2021
Analysis window
Aug 26 – 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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984 mi avg per flight
2 hr 2 min average
Average across flights included in analytics
3 aircraft types
Tracked activity
Aug 26 – Sep 24, 2026 · 29 active days
Flights29
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Observed route footprint
Routes tracked as DL2021
Directional airport pairings in Aug 26 – Sep 24, 2026.
| Route | Flights | Active days | Tail numbers | Tracked distance | Observed | First observed | Last observed |
|---|---|---|---|---|---|---|---|
| 29 | 29 | 0 | 28,531 mi | 58 hr 49 min | Aug 26, 2026, 9:03 PM UTC | Sep 23, 2026, 11:46 PM UTC |
Observed tail number assignments
Tail numbers tracked as DL2021
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Routes | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| A321 | 2 | 1 | 2,074 mi | Aug 26, 2026, 9:03 PM UTC | Sep 13, 2026, 12:08 AM UTC | |
| A321 | 1 | 1 | 936 mi | Sep 23, 2026, 9:55 PM UTC | Sep 23, 2026, 11:46 PM UTC | |
| A321 | 1 | 1 | 941 mi | Sep 22, 2026, 10:05 PM UTC | Sep 22, 2026, 11:55 PM UTC | |
| B752 | 1 | 1 | 1,414 mi | Sep 21, 2026, 9:57 PM UTC | Sep 22, 2026, 12:56 AM UTC | |
| B752 | 1 | 1 | 958 mi | Sep 20, 2026, 10:48 PM UTC | Sep 21, 2026, 12:52 AM UTC | |
Observed aircraft types
Aircraft types tracked as DL2021
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 |
|---|---|---|---|---|---|---|---|---|
| A321 | Airbus A321 | 13 | 44.8% | 12 | 12,680 mi | 1 | Aug 26, 2026, 9:03 PM UTC | Sep 23, 2026, 11:46 PM UTC |
| B739 | Boeing 737-900 | 10 | 34.5% | 10 | 9,581 mi | 1 | Aug 27, 2026, 9:01 PM UTC | Sep 11, 2026, 11:57 PM UTC |
| B752 | Boeing 757-200 | 6 | 20.7% | 6 | 6,270 mi | 1 | Sep 13, 2026, 11:18 PM UTC | Sep 22, 2026, 12:56 AM UTC |
Observation log
Flight observations
Latest 100 flights for DL2021 within Aug 26 – Sep 24, 2026