DELTA AIR LINES INC· ICAO24 a6d3af· last seen Oct 2025

N539US is a Boeing 757-200, a twin-engine jet operated by DELTA AIR LINES INC. SkyMeter has tracked 1,176 flights totalling 2,295 hours of airtime via ADS-B across 209 callsigns. The most frequent segment is KMCO to KATL. Service window in our records spans 141 days. Of those flights, 48 (4.1%) carry at least one detected incident — go-around, unstable approach, stall warning, or runway excursion. The Boeing 757-200 has a 135 ft wingspan, a maximum takeoff weight of 255,500 lb.

About the Boeing 757-200

The Boeing 757-200 is a narrow-body twinjet that earned a reputation as one of the most versatile and powerful single-aisle airliners ever built. Introduced in 1983, the 757 was designed to replace aging 727 trijets and early 707s on medium-haul routes, but its exceptional thrust-to-weight ratio and hot-and-high performance made it a favorite for challenging airports from La Paz to Kathmandu. With a range exceeding 3,900 nautical miles, the 757-200 could operate transcontinental U.S. routes and transatlantic flights to secondary European cities, a capability unmatched by contemporaries like the 737 Classic. Its powerful engines—either Rolls-Royce RB211 or Pratt & Whitney PW2000 series—gave it climb performance rivaling much larger aircraft, and pilots praised its handling characteristics and cockpit commonality with the 767.

Boeing built 913 examples of the 757-200 between 1981 and 2004, making it by far the most popular variant of the 757 family. While passenger operations have declined as airlines transitioned to more fuel-efficient types like the 737 MAX and A321neo, the 757-200 found a robust second career as a freighter. Its large cargo door, long fuselage, and ability to operate from shorter runways made it ideal for express package carriers, and both factory-built 757-200PF (package freighter) and passenger-to-freighter conversions remain workhorses for UPS, FedEx, and DHL. The type's operational ceiling of 42,000 feet and maximum operating speed of Mach 0.86 keep it competitive on time-sensitive cargo routes where speed and reliability matter more than fuel burn.

Despite production ending two decades ago, the 757-200 remains a common sight at airports worldwide, particularly in cargo livery. Its unique silhouette—a long, slender fuselage with a distinctive nose profile—and the unmistakable roar of its high-bypass turbofans make it instantly recognizable on approach. SkyMeter has tracked flights across airframes and operators, with the largest observed operator.

FLIGHTS
1,176
all time
FLOWN HOURS
2,295
tracked time
📍
AIRPORTS VISITED
46
unique
📡
CALLSIGNS
209
112 routes
📅
SERVICE PERIOD
05/27/2025 → 10/15/2025
first → last
INCIDENT RATE
4.1%
48 flagged

Top routes

By flight count

10
25
22
22
21
20
19
18
15
14
13

Aircraft specifications

Boeing 757-200

Engines
Twin Jet
Vref (approach)
137 kt
Vmo
350 kt
MTOW
255,500 lb
Wingspan
135 ft
Length
155 ft
Wake category
Medium

Recent flights

Newest 50 operations of N539US

50
10/13/2025
3h 32m
No alerts
10/13/2025
1h 54m
No alerts
10/11/2025
4h 24m
No alerts
10/10/2025
3h 19m
No alerts
10/10/2025
2h 4m
△ Unstable
10/10/2025
1h 43m
No alerts
10/09/2025
1h 49m
No alerts
10/08/2025
9h 56m
No alerts
10/07/2025
1h 33m
△ Unstable
10/07/2025
1h 33m
△ Unstable
10/07/2025
1h 28m
No alerts
10/06/2025
1h 58m
No alerts
10/03/2025
1h 10m
△ Unstable
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