Tracked flight number

UA837

UAL837United AirlinesPhoto aircraft N2138UAug 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

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Tracked flights

#2,134of 163,734 · tied

Tracked distance

#502of 163,734

187,582 mi

Observed time

#348of 163,734

367 hr

Route breadth

#13,941of 163,734 · tied

Active aircraft

#11,594of 163,734 · tied

Active days

#1of 163,734 · tied

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Tracked flights59

36 active days

Tracked distance187,582 mi

3,179 mi avg per flight

Observed time366 hr 58 min

6 hr 13 min average

Tracking Confidence100.0%

Average across flights included in analytics

Named routes2

2 aircraft types

Average mid-flight altitude11,000 m

Average mid-flight speed855 km/h

Tracked activity

Aug 20 – Sep 24, 2026 · 36 active days

Flights59

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Observed route footprint

Routes tracked as UA837

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
NRT → KHH	33	33	0	54,494 mi	109 hr 57 min	Aug 20, 2026, 9:38 AM UTC	Sep 23, 2026, 12:35 PM UTC
SFO → NRT	25	25	0	131,477 mi	253 hr 37 min	Aug 20, 2026, 7:52 PM UTC	Sep 24, 2026, 5:46 AM UTC

Observed tail number assignments

Tail numbers tracked as UA837

Open a tail number for its complete tracked profile.

26 tail numbers shown

Tail number	Type	Flights	Routes	Tracked distance	First observed	Last observed
N17322	B38M	6	1	9,990 mi	Aug 21, 2026, 9:48 AM UTC	Sep 23, 2026, 12:35 PM UTC
N17316	B38M	6	1	9,904 mi	Aug 20, 2026, 9:38 AM UTC	Sep 20, 2026, 12:27 PM UTC
N17306	B38M	6	1	9,972 mi	Aug 28, 2026, 9:16 AM UTC	Sep 16, 2026, 12:27 PM UTC
N17309	B38M	5	1	8,268 mi	Aug 24, 2026, 9:11 AM UTC	Sep 17, 2026, 12:35 PM UTC
N27304	B38M	4	1	6,586 mi	Aug 26, 2026, 9:11 AM UTC	Sep 24, 2026, 12:24 PM UTC
N2138U

Observed aircraft types

Aircraft types tracked as UA837

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
B38M	Boeing 737 MAX 8	34	57.6%	9	56,105 mi	1	Aug 20, 2026, 9:38 AM UTC	Sep 24, 2026, 12:24 PM UTC
B77W	Boeing 777-300ER	25	42.4%	17	131,477 mi	1	Aug 20, 2026, 7:52 PM UTC	Sep 24, 2026, 5:46 AM UTC

Observation log

Flight observations

Latest 100 flights for UA837 within Aug 20 – Sep 24, 2026

75 observations shown

Confidence	Route	Tail number	Aircraft	First observed	Last observed	Observed	Tracked distance
High · 100	NRT → KHH	N27304	B38M	Sep 24, 2026, 9:00 AM UTC	Sep 24, 2026, 12:24 PM UTC	3 hr 24 min	1,611 mi
High · 100	SFO → NRT	N2747U	B77W	Sep 23, 2026, 7:23 PM UTC	Sep 24, 2026, 5:46 AM UTC	10 hr 23 min	5,202 mi
High · 100	NRT → KHH