34 active days
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Tracked flight number
DL1901
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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490 mi avg per flight
1 hr 6 min average
Average across flights included in analytics
1 aircraft type
Tracked activity
Aug 20 – Sep 24, 2026 · 34 active days
Flights34
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Observed route footprint
Routes tracked as DL1901
Directional airport pairings in Aug 20 – Sep 24, 2026.
| Route | Flights | Active days | Tail numbers | Tracked distance | Observed | First observed | Last observed |
|---|---|---|---|---|---|---|---|
| 34 | 34 | 0 | 16,668 mi | 37 hr 11 min | Aug 20, 2026, 12:35 PM UTC | Sep 23, 2026, 1:20 PM UTC |
Observed tail number assignments
Tail numbers tracked as DL1901
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Routes | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| B739 | 6 | 1 | 2,889 mi | Sep 8, 2026, 12:18 PM UTC | Sep 22, 2026, 2:35 PM UTC | |
| B739 | 2 | 1 | 1,047 mi | Sep 12, 2026, 12:18 PM UTC | Sep 17, 2026, 1:27 PM UTC | |
| B739 | 2 | 1 | 953 mi | Sep 10, 2026, 12:14 PM UTC | Sep 16, 2026, 1:27 PM UTC | |
| B739 | 2 | 1 | 965 mi | Sep 9, 2026, 12:11 PM UTC | Sep 11, 2026, 1:32 PM UTC | |
| B739 | 1 | 1 | 478 mi | Sep 23, 2026, 12:16 PM UTC | Sep 23, 2026, 1:20 PM UTC | |
Observed aircraft types
Aircraft types tracked as DL1901
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 | 34 | 100.0% | 26 | 16,668 mi | 1 | Aug 20, 2026, 12:35 PM UTC | Sep 23, 2026, 1:20 PM UTC |
Observation log
Flight observations
Latest 100 flights for DL1901 within Aug 20 – Sep 24, 2026