31 active days
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Tracked flight number
DL840
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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1,246 mi avg per flight
2 hr 26 min average
Average across flights included in analytics
1 aircraft type
Tracked activity
Aug 20 – Sep 24, 2026 · 31 active days
Flights35
Aug 20
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Observed route footprint
Routes tracked as DL840
Directional airport pairings in Aug 20 – Sep 24, 2026.
| Route | Flights | Active days | Tail numbers | Tracked distance | Observed | First observed | Last observed |
|---|---|---|---|---|---|---|---|
| 35 | 31 | 0 | 43,609 mi | 85 hr 27 min | Aug 20, 2026, 10:46 PM UTC | Sep 24, 2026, 1:10 AM UTC |
Observed tail number assignments
Tail numbers tracked as DL840
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Routes | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| A321 | 2 | 1 | 2,589 mi | Sep 4, 2026, 10:47 PM UTC | Sep 21, 2026, 1:21 AM UTC | |
| A321 | 2 | 1 | 2,482 mi | Sep 7, 2026, 10:45 PM UTC | Sep 12, 2026, 2:09 AM UTC | |
| A321 | 2 | 1 | 2,521 mi | Aug 28, 2026, 10:58 PM UTC | Sep 6, 2026, 1:11 AM UTC | |
| A321 | 2 | 1 | 2,459 mi | Aug 21, 2026, 11:59 PM UTC | Sep 3, 2026, 1:10 AM UTC | |
| A321 | 2 | 1 | 2,665 mi | Aug 24, 2026, 10:46 PM UTC | Aug 27, 2026, 1:35 AM UTC | |
Observed aircraft types
Aircraft types tracked as DL840
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 | 35 | 100.0% | 30 | 43,609 mi | 1 | Aug 20, 2026, 10:46 PM UTC | Sep 24, 2026, 1:10 AM UTC |
Observation log
Flight observations
Latest 100 flights for DL840 within Aug 20 – Sep 24, 2026
| Confidence | Route | Tail number | Aircraft | First observed | Last observed | Observed | Tracked distance |
|---|---|---|---|---|---|---|---|
| High · 100 | A321 | Sep 23, 2026, 10:38 PM UTC | Sep 24, 2026, 1:10 AM UTC | 2 hr 32 min | 1,208 mi | ||
| High · 100 | A321 | Sep 22, 2026, 10:59 PM UTC | Sep 23, 2026, 1:14 AM UTC | 2 hr 15 min | 1,217 mi | ||
| High · 100 |