33 active days
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Tracked flight number
DL4
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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3,599 mi avg per flight
7 hr 24 min average
Average across flights included in analytics
2 aircraft types
Tracked activity
Aug 20 – Sep 24, 2026 · 33 active days
Flights33
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Observed route footprint
Routes tracked as DL4
Directional airport pairings in Aug 20 – Sep 24, 2026.
| Route | Flights | Active days | Tail numbers | Tracked distance | Observed | First observed | Last observed |
|---|---|---|---|---|---|---|---|
| 33 | 33 | 0 | 118,771 mi | 244 hr 24 min | Aug 20, 2026, 3:48 PM UTC | Sep 23, 2026, 10:42 PM UTC |
Observed tail number assignments
Tail numbers tracked as DL4
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Routes | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| A339 | 4 | 1 | 14,275 mi | Sep 2, 2026, 3:48 PM UTC | Sep 19, 2026, 11:33 PM UTC | |
| A339 | 3 | 1 | 10,842 mi | Aug 24, 2026, 3:42 PM UTC | Sep 22, 2026, 11:01 PM UTC | |
| A339 | 3 | 1 | 11,315 mi | Aug 22, 2026, 3:42 PM UTC | Sep 4, 2026, 10:54 PM UTC | |
| A339 | 2 | 1 | 7,163 mi | Sep 1, 2026, 4:46 PM UTC | Sep 21, 2026, 11:22 PM UTC | |
| A339 | 2 | 1 | 7,059 mi | Sep 6, 2026, 5:06 PM UTC | Sep 21, 2026, 12:41 AM UTC | |
Observed aircraft types
Aircraft types tracked as DL4
Observed flights grouped by aircraft designator and matched to the aircraft reference catalog.
Observation log
Flight observations
Latest 100 flights for DL4 within Aug 20 – Sep 24, 2026
| Confidence | Route | Tail number | Aircraft | First observed | Last observed | Observed | Tracked distance |
|---|---|---|---|---|---|---|---|
| High · 100 | A339 | Sep 23, 2026, 3:31 PM UTC | Sep 23, 2026, 10:42 PM UTC | 7 hr 12 min | 3,540 mi | ||
| High · 100 | A339 | Sep 22, 2026, 3:43 PM UTC | Sep 22, 2026, 11:01 PM UTC | 7 hr 18 min | 3,644 mi | ||
| High · 100 |