Tracked flight number

CZ3991

CSN3991China Southern AirlinesPhoto aircraft B-6762Aug 20 – Sep 24, 2026

Data through Sep 24, 2026 UTC

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.

Global rankings

Among tracked flight numbers · Aug 20 – Sep 24, 2026

Explore flight numbers

Tracked flights

#35,221of 163,734 · tied

Tracked distance

#28,543of 163,734

27,293 mi

Observed time

#28,984of 163,734

58 hr

Route breadth

#13,941of 163,734 · tied

Active aircraft

#50,839of 163,734 · tied

Active days

#38,789of 163,734 · tied

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Tracked flights29

26 active days

Tracked distance27,293 mi

941 mi avg per flight

Observed time58 hr 2 min

2 hr 0 min average

Tracking Confidence100.0%

Average across flights included in analytics

Named routes2

2 aircraft types

Average mid-flight altitude9,488 m

Average mid-flight speed829 km/h

Tracked activity

Aug 20 – Sep 24, 2026 · 26 active days

Flights29

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Observed route footprint

Routes tracked as CZ3991

Directional airport pairings in Aug 20 – Sep 24, 2026.

2 routes shown

Route	Flights	Active days	Tail numbers	Tracked distance	Observed	First observed	Last observed
CAN → LYI	26	26	0	24,310 mi	51 hr 32 min	Aug 20, 2026, 12:53 PM UTC	Sep 23, 2026, 2:54 PM UTC
LYI → CAN	3	3	0	2,983 mi	6 hr 30 min	Aug 20, 2026, 11:05 PM UTC	Sep 17, 2026, 1:20 AM UTC

Observed tail number assignments

Tail numbers tracked as CZ3991

Open a tail number for its complete tracked profile.

12 tail numbers shown

Tail number	Type	Flights	Routes	Tracked distance	First observed	Last observed
B-30A8	A20N	6	1	5,602 mi	Aug 22, 2026, 1:31 PM UTC	Sep 23, 2026, 2:54 PM UTC
B-306G	A20N	4	1	3,825 mi	Aug 25, 2026, 1:08 PM UTC	Sep 17, 2026, 3:01 PM UTC
B-30DG	A20N	4	2	3,679 mi	Aug 20, 2026, 12:53 PM UTC	Sep 11, 2026, 2:58 PM UTC
B-301W	A20N	3	1	2,838 mi	Aug 31, 2026, 1:18 PM UTC	Sep 19, 2026, 2:55 PM UTC
B-322F	A20N	3	2	2,817 mi	Aug 27, 2026, 1:05 PM UTC	Sep 13, 2026, 2:50 PM UTC
B-6583

Observed aircraft types

Aircraft types tracked as CZ3991

Observed flights grouped by aircraft designator and matched to the aircraft reference catalog.

2 aircraft types shown

Type	Aircraft name	Flights	Makeup	Tail numbers	Tracked distance	Routes	First observed	Last observed
A20N	Airbus A320neo	23	79.3%	7	21,604 mi	2	Aug 20, 2026, 12:53 PM UTC	Sep 23, 2026, 2:54 PM UTC
A320	Airbus A320	6	20.7%	5	5,689 mi	2	Aug 23, 2026, 1:05 PM UTC	Sep 17, 2026, 1:20 AM UTC

Observation log

Flight observations

Latest 100 flights for CZ3991 within Aug 20 – Sep 24, 2026

46 observations shown

Confidence	Route	Tail number	Aircraft	First observed	Last observed	Observed	Tracked distance
Limited · 74	Route unverified	B-30A8	A20N	Sep 23, 2026, 11:07 PM UTC	Sep 24, 2026, 1:18 AM UTC	2 hr 11 min	972 mi
High · 100	CAN → LYI	B-30A8	A20N	Sep 23, 2026, 12:48 PM UTC	Sep 23, 2026, 2:54 PM UTC	2 hr 6 min	975 mi
Limited · 84	Route unverified	B-301W