Tracked flight number

UA78

UAL78United AirlinesPhoto aircraft N2639UAug 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

#38,120of 163,734 · tied

Tracked distance

#401of 163,734

196,972 mi

Observed time

#586of 163,734

330.8 hr

Route breadth

#13,941of 163,734 · tied

Active aircraft

#28,088of 163,734 · tied

Active days

#33,388of 163,734 · tied

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Tracked flights28

28 active days

Tracked distance196,972 mi

7,035 mi avg per flight

Observed time330 hr 47 min

11 hr 49 min average

Tracking Confidence100.0%

Average across flights included in analytics

Named routes2

2 aircraft types

Average mid-flight altitude10,269 m

Average mid-flight speed986 km/h

Tracked activity

Aug 20 – Sep 24, 2026 · 28 active days

Flights28

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Observed route footprint

Routes tracked as UA78

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 → EWR	27	27	0	189,741 mi	318 hr 37 min	Aug 20, 2026, 8:44 AM UTC	Sep 23, 2026, 9:35 PM UTC
NRT → BOS	1	1	0	7,231 mi	12 hr 10 min	Sep 1, 2026, 11:12 AM UTC	Sep 1, 2026, 11:22 PM UTC

Observed tail number assignments

Tail numbers tracked as UA78

Open a tail number for its complete tracked profile.

19 tail numbers shown

Tail number	Type	Flights	Routes	Tracked distance	First observed	Last observed
N2243U	B77W	3	1	20,920 mi	Aug 30, 2026, 8:57 AM UTC	Sep 17, 2026, 7:52 PM UTC
N2333U	B77W	2	1	14,306 mi	Aug 20, 2026, 8:44 AM UTC	Sep 23, 2026, 9:35 PM UTC
N2250U	B77W	2	1	13,970 mi	Sep 10, 2026, 8:33 AM UTC	Sep 19, 2026, 8:35 PM UTC
N2639U	B77W	2	1	14,035 mi	Aug 23, 2026, 8:50 AM UTC	Sep 19, 2026, 1:40 AM UTC
N2138U	B77W	2	1	14,003 mi	Aug 21, 2026, 8:42 AM UTC	Sep 14, 2026, 8:05 PM UTC
N2135U

Observed aircraft types

Aircraft types tracked as UA78

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
B77W	Boeing 777-300ER	26	92.9%	17	182,866 mi	1	Aug 20, 2026, 8:44 AM UTC	Sep 23, 2026, 9:35 PM UTC
B772	Boeing 777-200	2	7.1%	2	14,106 mi	2	Aug 26, 2026, 9:27 AM UTC	Sep 1, 2026, 11:22 PM UTC

Observation log

Flight observations

Latest 100 flights for UA78 within Aug 20 – Sep 24, 2026

33 observations shown

Confidence	Route	Tail number	Aircraft	First observed	Last observed	Observed	Tracked distance
Low · 20	Route unverified	N2747U	B77W	Sep 24, 2026, 8:33 AM UTC	Sep 24, 2026, 8:24 PM UTC	11 hr 51 min	7,219 mi
High · 100	NRT → EWR	N2333U	B77W	Sep 23, 2026, 9:26 AM UTC	Sep 23, 2026, 9:35 PM UTC	12 hr 9 min	7,392 mi
High · 100	NRT → EWR