35 active days
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Tracked flight number
DL503
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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2,228 mi avg per flight
4 hr 38 min average
Average across flights included in analytics
1 aircraft type
Tracked activity
Aug 20 – Sep 24, 2026 · 35 active days
Flights35
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Observed route footprint
Routes tracked as DL503
Directional airport pairings in Aug 20 – Sep 24, 2026.
| Route | Flights | Active days | Tail numbers | Tracked distance | Observed | First observed | Last observed |
|---|---|---|---|---|---|---|---|
| 35 | 35 | 0 | 77,982 mi | 162 hr 14 min | Aug 20, 2026, 9:05 PM UTC | Sep 24, 2026, 1:47 AM UTC |
Observed tail number assignments
Tail numbers tracked as DL503
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Routes | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| B739 | 2 | 1 | 4,453 mi | Aug 21, 2026, 9:04 PM UTC | Sep 22, 2026, 1:41 AM UTC | |
| B739 | 2 | 1 | 4,434 mi | Sep 8, 2026, 9:01 PM UTC | Sep 15, 2026, 1:46 AM UTC | |
| B739 | 2 | 1 | 4,448 mi | Aug 22, 2026, 9:09 PM UTC | Aug 25, 2026, 1:42 AM UTC | |
| B739 | 1 | 1 | 2,246 mi | Sep 23, 2026, 9:06 PM UTC | Sep 24, 2026, 1:47 AM UTC | |
| B739 | 1 | 1 | 2,219 mi | Sep 22, 2026, 10:05 PM UTC | Sep 23, 2026, 2:52 AM UTC | |
Observed aircraft types
Aircraft types tracked as DL503
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 | 35 | 100.0% | 32 | 77,982 mi | 1 | Aug 20, 2026, 9:05 PM UTC | Sep 24, 2026, 1:47 AM UTC |
Observation log
Flight observations
Latest 100 flights for DL503 within Aug 20 – Sep 24, 2026
| Confidence | Route | Tail number | Aircraft | First observed | Last observed | Observed | Tracked distance |
|---|---|---|---|---|---|---|---|
| High · 100 | B739 | Sep 23, 2026, 9:06 PM UTC | Sep 24, 2026, 1:47 AM UTC | 4 hr 41 min | 2,246 mi | ||
| High · 100 | B739 | Sep 22, 2026, 10:05 PM UTC | Sep 23, 2026, 2:52 AM UTC | 4 hr 47 min | 2,219 mi | ||
| High · 100 |