CSN3939

Flight

Status

Incomplete (signal lost)

Est. departure time

2026-09-10 12:34 UTC (approx.)

Distance flown

106 km

Aircraft

Registration

B-1403

Type

Boeing 737-800

Seats

178 total (4 Business, 174 Economy)

Altitude & speed

Max altitude

24,600 ft

Max ground speed

444 kt

Tracked

8m · 105 km

Altitude (ft, max 24,600)

Ground speed (kt, max 444)

Altitude (ft, max 24,600)

Ground speed (kt, max 444)

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.

Route map

Airline

China Southern Airlines (CSN)

Latest flights

Departed	Flight	Route	Reg	Aircraft	Status	Distance
2026-10-02 10:40 UTC	CSN3939	HFE → NKG Hefei → Nanjing	B-1406	Boeing 737-800	Incomplete (signal lost)	~190 km est. (93 km recorded)
2026-10-01 10:51 UTC	CSN3939	HFE → NKG Hefei → Nanjing	B-1410	Boeing 737-800	Incomplete (signal lost)	~185 km est. (77 km recorded)
2026-09-30 10:46 UTC	CSN3939	HFE → NKG Hefei → Nanjing	B-1403	Boeing 737-800	Incomplete (signal lost)	167 km
2026-09-29 10:53 UTC	CSN3939	HFE → NKG Hefei → Nanjing	B-1406	Boeing 737-800	Incomplete (signal lost)	~183 km est. (89 km recorded)
2026-09-28 10:38 UTC	CSN3939	HFE → NKG Hefei → Nanjing	B-5698	Boeing 737-800	Incomplete (signal lost)	~186 km est. (112 km recorded)
2026-09-26 11:20 UTC	CSN3939	HFE → NKG Hefei → Nanjing	B-5021	Boeing 737-800	Incomplete (signal lost)	218 km
2026-09-25 10:49 UTC	CSN3939	HFE → NKG Hefei → Nanjing	B-1405	Boeing 737-800	Incomplete (signal lost)	~260 km est. (121 km recorded)
2026-09-24 11:01 UTC	CSN3939	HFE → NKG Hefei → Nanjing	B-1401	Boeing 737-800	Incomplete (signal lost)	~206 km est. (121 km recorded)
2026-09-23 10:41 UTC	CSN3939	HFE → NKG Hefei → Nanjing	B-5745	Boeing 737-800	Incomplete (signal lost)	~188 km est. (110 km recorded)
2026-09-22 10:41 UTC	CSN3939	HFE → NKG Hefei → Nanjing	B-1923	Boeing 737-800	Incomplete (signal lost)	181 km
2026-09-21 10:51 UTC	CSN3939	HFE → ? Hefei → ?	B-5446	Boeing 737-800	Incomplete (signal lost)	167 km
2026-09-20 10:42 UTC	CSN3939	HFE → NKG Hefei → Nanjing	B-1410	Boeing 737-800	Incomplete (signal lost)	180 km
2026-09-19 10:40 UTC	CSN3939	HFE → NKG Hefei → Nanjing	B-5042	Boeing 737-800	Incomplete (signal lost)	~192 km est. (111 km recorded)
2026-09-18 10:51 UTC	CSN3939	HFE → ? Hefei → ?	B-5675	Boeing 737-800	Incomplete (signal lost)	82 km
2026-09-17 10:59 UTC	CSN3939	HFE → NKG Hefei → Nanjing	B-1400	Boeing 737-800	Incomplete (signal lost)	169 km
2026-09-16 11:04 UTC	CSN3939	HFE → NKG Hefei → Nanjing	B-1410	Boeing 737-800	Incomplete (signal lost)	171 km
2026-09-15 10:46 UTC	CSN3939	HFE → NKG Hefei → Nanjing	B-5715	Boeing 737-800	Incomplete (signal lost)	189 km
2026-09-14 10:52 UTC	CSN3939	HFE → NKG Hefei → Nanjing	B-1953	Boeing 737-800	Incomplete (signal lost)	153 km
2026-09-13 10:59 UTC	CSN3939	HFE → ? Hefei → ?	B-1403	Boeing 737-800	Incomplete (signal lost)	116 km
2026-09-12 05:37 UTC	CSN3939	ICN → ? Seoul → ?	B-5715	Boeing 737-800	Incomplete (signal lost)	1711 km
2026-09-11 10:53 UTC	CSN3939	HFE → NKG Hefei → Nanjing	B-1412	Boeing 737-800	Completed (landing presumed)	172 km
2026-09-10 12:47 UTC	CSN3939	? → ?	B-1403	Boeing 737-800	Incomplete (signal lost)	106 km
2026-09-09 10:55 UTC	CSN3939	HFE → NKG Hefei → Nanjing	B-1979	Boeing 737-800	Incomplete (signal lost)	172 km
2026-09-08 10:53 UTC	CSN3939	? → ?	B-5677	Boeing 737-800	Incomplete (signal lost)	122 km
2026-09-07 10:49 UTC	CSN3939	HFE → NKG Hefei → Nanjing	B-5677	Boeing 737-800	Incomplete (signal lost)	~200 km est. (126 km recorded)
2026-09-06 10:52 UTC	CSN3939	HFE → NKG Hefei → Nanjing	B-1400	Boeing 737-800	Incomplete (signal lost)	~303 km est. (241 km recorded)
2026-09-05 10:48 UTC	CSN3939	HFE → NKG Hefei → Nanjing	B-1980	Boeing 737-800	Incomplete (signal lost)	~188 km est. (113 km recorded)
2026-09-04 11:11 UTC	CSN3939	HFE → NKG Hefei → Nanjing	B-1979	Boeing 737-800	Incomplete (signal lost)	170 km
2026-09-03 10:49 UTC	CSN3939	HFE → ? Hefei → ?	B-5678	Boeing 737-800	Incomplete (signal lost)	109 km
2026-09-02 08:03 UTC	CSN3939	? → ?	B-1953	Boeing 737-800	Completed	1031 km
2026-09-01 10:50 UTC	CSN3939	HFE → NKG Hefei → Nanjing	B-1980	Boeing 737-800	Completed	168 km
2026-08-31 11:00 UTC	CSN3939	HFE → NKG Hefei → Nanjing	B-5675	Boeing 737-800	Completed	~174 km est. (99 km recorded)
2026-08-29 11:27 UTC	CSN3939	? → ?	B-5698	Boeing 737-800	Completed	144 km
2026-08-28 10:50 UTC	CSN3939	HFE → ? Hefei → ?	B-1412	Boeing 737-800	Completed	159 km
2026-08-27 11:02 UTC	CSN3939	HFE → NKG Hefei → Nanjing	B-1400	Boeing 737-800	Completed	173 km
2026-08-26 10:55 UTC	CSN3939	HFE → ? Hefei → ?	B-1953	Boeing 737-800	Completed	88 km
2026-08-25 11:41 UTC	CSN3939	HFE → ? Hefei → ?	B-1405	Boeing 737-800	Completed	179 km
2026-08-23 10:56 UTC	CSN3939	HFE → ? Hefei → ?	B-5193	Boeing 737-800	Completed	124 km
2026-08-22 10:57 UTC	CSN3939	? → HFE ? → Hefei	B-1401	Boeing 737-800	Completed	243 km
2026-08-21 11:06 UTC	CSN3939	? → HFE ? → Hefei	B-1582	Boeing 737-800	Completed	327 km
2026-08-19 10:54 UTC	CSN3939	HFE → ? Hefei → ?	B-2697	Boeing 737-800	Completed	273 km
2026-08-18 11:32 UTC	CSN3939	HFE → ? Hefei → ?	B-1412	Boeing 737-800	Completed	312 km
2026-08-17 11:02 UTC	CSN3939	HFE → ? Hefei → ?	B-5193	Boeing 737-800	Completed	233 km
2026-08-16 11:02 UTC	CSN3939	HFE → ? Hefei → ?	B-5715	Boeing 737-800	Completed	129 km
2026-08-15 11:01 UTC	CSN3939	HFE → ? Hefei → ?	B-1403	Boeing 737-800	Completed	171 km
2026-08-14 13:27 UTC	CSN3939	HFE → ? Hefei → ?	B-5675	Boeing 737-800	Completed	210 km