36 active days
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Tracked flight number
DL1531
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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1,318 mi avg per flight
2 hr 42 min average
Average across flights included in analytics
1 aircraft type
Tracked activity
Aug 20 – Sep 24, 2026 · 36 active days
Flights36
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Observed route footprint
Routes tracked as DL1531
Directional airport pairings in Aug 20 – Sep 24, 2026.
| Route | Flights | Active days | Tail numbers | Tracked distance | Observed | First observed | Last observed |
|---|---|---|---|---|---|---|---|
| 36 | 36 | 0 | 47,444 mi | 96 hr 55 min | Aug 20, 2026, 12:53 AM UTC | Sep 24, 2026, 4:20 AM UTC |
Observed tail number assignments
Tail numbers tracked as DL1531
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Routes | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| B739 | 2 | 1 | 2,608 mi | Sep 3, 2026, 12:22 AM UTC | Sep 18, 2026, 5:06 AM UTC | |
| B739 | 2 | 1 | 2,624 mi | Sep 5, 2026, 12:59 AM UTC | Sep 11, 2026, 3:58 AM UTC | |
| B739 | 1 | 1 | 1,331 mi | Sep 24, 2026, 1:32 AM UTC | Sep 24, 2026, 4:20 AM UTC | |
| B739 | 1 | 1 | 1,349 mi | Sep 23, 2026, 1:14 AM UTC | Sep 23, 2026, 4:08 AM UTC | |
| B739 | 1 | 1 | 1,284 mi | Sep 22, 2026, 1:53 AM UTC | Sep 22, 2026, 4:36 AM UTC | |
Observed aircraft types
Aircraft types tracked as DL1531
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 | 36 | 100.0% | 34 | 47,444 mi | 1 | Aug 20, 2026, 12:53 AM UTC | Sep 24, 2026, 4:20 AM UTC |
Observation log
Flight observations
Latest 100 flights for DL1531 within Aug 20 – Sep 24, 2026
| Confidence | Route | Tail number | Aircraft | First observed | Last observed | Observed | Tracked distance |
|---|---|---|---|---|---|---|---|
| High · 100 | B739 | Sep 24, 2026, 1:32 AM UTC | Sep 24, 2026, 4:20 AM UTC | 2 hr 48 min | 1,331 mi | ||
| High · 100 | B739 | Sep 23, 2026, 1:14 AM UTC | Sep 23, 2026, 4:08 AM UTC | 2 hr 54 min | 1,349 mi | ||
| High · 100 |