CMB559

SOF · Boeing 747-400 · Atlas Air

Flight

Status

Incomplete (signal lost)

Departure

Sofia Airport (SOF) — Sofia, Bulgaria

Est. departure time

2026-09-15 02:38 UTC (approx.)

Distance flown

2027 km

Registration

Type

Boeing 747-400

Max altitude

39,025 ft

Max ground speed

515 kt

Tracked

2h 12m · 1,923 km

Altitude (ft, max 39,025)

Ground speed (kt, max 515)

Altitude (ft, max 39,025)

Ground speed (kt, max 515)

From the ADS-B positions we received; time since the first fix. A dashed stretch is a gap in reception, bridged by a straight line.

Atlas Air (GTI)

Latest flights

Departed	Flight	Route	Reg	Aircraft	Status	Distance
2026-09-16 11:27 UTC	CMB559	AVB → SOF Aviano (PN) → Sofia	N429MC	Boeing 747-400	Completed	1249 km
2026-09-15 14:45 UTC	CMB559	? → AVB ? → Aviano (PN)	N429MC	Boeing 747-400	Completed	4255 km
2026-09-15 02:55 UTC	CMB559	SOF → ? Sofia → ?	N429MC	Boeing 747-400	Incomplete (signal lost)	2027 km