34 active days
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Tracked flight number
DL640
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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2,165 mi avg per flight
4 hr 4 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 DL640
Directional airport pairings in Aug 20 – Sep 24, 2026.
Observed tail number assignments
Tail numbers tracked as DL640
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Routes | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| B739 | 2 | 1 | 4,424 mi | Sep 8, 2026, 3:13 PM UTC | Sep 11, 2026, 7:20 PM UTC | |
| B739 | 2 | 1 | 4,398 mi | Aug 25, 2026, 3:11 PM UTC | Sep 9, 2026, 7:15 PM UTC | |
| B739 | 1 | 1 | 1,385 mi | Sep 23, 2026, 6:37 PM UTC | Sep 23, 2026, 9:09 PM UTC | |
| B739 | 1 | 1 | 2,175 mi | Sep 22, 2026, 3:13 PM UTC | Sep 22, 2026, 7:10 PM UTC | |
| B739 | 1 | 1 | 2,174 mi | Sep 21, 2026, 3:10 PM UTC | Sep 21, 2026, 7:17 PM UTC | |
Observed aircraft types
Aircraft types tracked as DL640
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% | 32 | 73,618 mi | 2 | Aug 20, 2026, 3:07 PM UTC | Sep 23, 2026, 9:09 PM UTC |
Observation log
Flight observations
Latest 100 flights for DL640 within Aug 20 – Sep 24, 2026
| Confidence | Route | Tail number | Aircraft | First observed | Last observed | Observed | Tracked distance |
|---|---|---|---|---|---|---|---|
| High · 100 | B739 | Sep 23, 2026, 6:37 PM UTC | Sep 23, 2026, 9:09 PM UTC | 2 hr 32 min | 1,385 mi | ||
| Limited · 84 | Route unverified | B739 | Sep 23, 2026, 3:05 PM UTC | Sep 23, 2026, 5:14 PM UTC | 2 hr 8 min | 1,138 mi | |
| High · 100 |