Tracked flight number

SY421

SCX421Sun Country AirlinesAug 21 – Sep 24, 2026

Data through Sep 24, 2026 UTC

Analysis window

Aug 21 – 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 21 – Sep 24, 2026

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Tracked flights

#92,178of 163,734 · tied

Tracked distance

#60,527of 163,734

12,823 mi

Observed time

#63,582of 163,734 · tied

27.6 hr

Route breadth

#33,359of 163,734 · tied

Active aircraft

#74,692of 163,734 · tied

Active days

#90,957of 163,734 · tied

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Tracked flights8

8 active days

Tracked distance12,823 mi

1,603 mi avg per flight

Observed time27 hr 35 min

3 hr 27 min average

Tracking Confidence100.0%

Average across flights included in analytics

Named routes1

2 aircraft types

Average mid-flight altitude11,657 m

Average mid-flight speed778 km/h

Tracked activity

Aug 21 – Sep 24, 2026 · 8 active days

Flights8

Aug 21

Aug 23

Aug 24

Aug 28

Aug 29

Sep 6

Sep 7

Sep 13

Observed route footprint

Routes tracked as SY421

Directional airport pairings in Aug 21 – Sep 24, 2026.

1 routes shown

Route	Flights	Active days	Tail numbers	Tracked distance	Observed	First observed	Last observed
MSP → LAX	8	8	0	12,823 mi	27 hr 35 min	Aug 21, 2026, 11:13 AM UTC	Sep 13, 2026, 11:43 PM UTC

Observed tail number assignments

Tail numbers tracked as SY421

Open a tail number for its complete tracked profile.

7 tail numbers shown

Tail number	Type	Flights	Routes	Tracked distance	First observed	Last observed
N852SY	B738	2	1	3,354 mi	Aug 29, 2026, 11:15 AM UTC	Sep 6, 2026, 11:49 PM UTC
N901SY	B739	1	1	1,568 mi	Sep 13, 2026, 8:19 PM UTC	Sep 13, 2026, 11:43 PM UTC
N824SY	B738	1	1	1,604 mi	Sep 7, 2026, 8:41 PM UTC	Sep 8, 2026, 12:06 AM UTC
N841SY	B738	1	1	1,554 mi	Aug 28, 2026, 11:11 AM UTC	Aug 28, 2026, 2:26 PM UTC
N840SY	B738	1	1	1,555 mi	Aug 24, 2026, 11:06 AM UTC	Aug 24, 2026, 2:31 PM UTC
N820SY

Observed aircraft types

Aircraft types tracked as SY421

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
B738	Boeing 737-800	6	75.0%	5	9,674 mi	1	Aug 23, 2026, 11:28 AM UTC	Sep 8, 2026, 12:06 AM UTC
B739	Boeing 737-900	2	25.0%	2	3,149 mi	1	Aug 21, 2026, 11:13 AM UTC	Sep 13, 2026, 11:43 PM UTC

Observation log

Flight observations

Latest 100 flights for SY421 within Aug 21 – Sep 24, 2026

8 observations shown

Confidence	Route	Tail number	Aircraft	First observed	Last observed	Observed	Tracked distance
High · 100	MSP → LAX	N901SY	B739	Sep 13, 2026, 8:19 PM UTC	Sep 13, 2026, 11:43 PM UTC	3 hr 24 min	1,568 mi
High · 100	MSP → LAX	N824SY	B738	Sep 7, 2026, 8:41 PM UTC	Sep 8, 2026, 12:06 AM UTC	3 hr 25 min	1,604 mi
High · 100	MSP → LAX