15 active days
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Tracked flight number
DL1257
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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647 mi avg per flight
1 hr 24 min average
Average across flights included in analytics
1 aircraft type
Tracked activity
Aug 20 – Sep 24, 2026 · 15 active days
Flights20
Aug 20
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Sep 23
Observed route footprint
Routes tracked as DL1257
Directional airport pairings in Aug 20 – Sep 24, 2026.
| Route | Flights | Active days | Tail numbers | Tracked distance | Observed | First observed | Last observed |
|---|---|---|---|---|---|---|---|
| 20 | 15 | 0 | 12,937 mi | 27 hr 55 min | Aug 20, 2026, 11:49 PM UTC | Sep 24, 2026, 12:57 AM UTC |
Observed tail number assignments
Tail numbers tracked as DL1257
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Routes | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| A321 | 2 | 1 | 1,333 mi | Sep 6, 2026, 12:11 AM UTC | Sep 19, 2026, 1:22 AM UTC | |
| A321 | 2 | 1 | 1,252 mi | Aug 24, 2026, 12:48 AM UTC | Sep 16, 2026, 1:30 AM UTC | |
| A321 | 2 | 1 | 1,288 mi | Aug 22, 2026, 12:46 AM UTC | Sep 15, 2026, 1:56 AM UTC | |
| A321 | 1 | 1 | 618 mi | Sep 23, 2026, 11:41 PM UTC | Sep 24, 2026, 12:57 AM UTC | |
| A321 | 1 | 1 | 649 mi | Sep 23, 2026, 12:24 AM UTC | Sep 23, 2026, 1:47 AM UTC | |
Observed aircraft types
Aircraft types tracked as DL1257
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 | 20 | 100.0% | 17 | 12,937 mi | 1 | Aug 20, 2026, 11:49 PM UTC | Sep 24, 2026, 12:57 AM UTC |
Observation log
Flight observations
Latest 100 flights for DL1257 within Aug 20 – Sep 24, 2026