UAL864

Flight

Status

Completed

Arrival confirmed via

ADS-B (ground reading)

Departure

Antonio B. Won Pat International Airport (GUM) — Hagåtña, Guam International Airport, Guam

Departed

2026-09-29 05:40 UTC (first seen)

Arrival

Narita International Airport (NRT) — Tokyo / Narita, Japan

Distance flown

590 km

Straight-line distance

2516 km

Approach distance

78 km

Aircraft

Registration

N37319

Type

Boeing 737 MAX 8

Seats

166 total (16 Business, 150 Economy)

Altitude & speed

Max altitude

38,000 ft

Max ground speed

483 kt

Tracked

1h 4m · 590 km

Altitude (ft, max 38,000)

Ground speed (kt, max 483)

Altitude (ft, max 38,000)

Ground speed (kt, max 483)

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

United Airlines (UAL)

Latest flights

Departed	Flight	Route	Reg	Aircraft	Status	Distance
2026-10-03 03:09 UTC	UAL864	GUM → NRT Hagåtña, Guam International Airport → Tokyo / Narita	N37319	Boeing 737 MAX 8	In progress	~2516 km est.
2026-09-29 05:40 UTC	UAL864	GUM → NRT Hagåtña, Guam International Airport → Tokyo / Narita	N37319	Boeing 737 MAX 8	Completed	590 km
2026-09-29 03:12 UTC	UAL864	GUM → NRT Hagåtña, Guam International Airport → Tokyo / Narita	N37319	Boeing 737 MAX 8	Incomplete (signal lost)	~2576 km est. (33 km recorded)
2026-09-26 05:49 UTC	UAL864	GUM → NRT Hagåtña, Guam International Airport → Tokyo / Narita	N17306	Boeing 737 MAX 8	Completed	565 km
2026-09-26 03:21 UTC	UAL864	GUM → NRT Hagåtña, Guam International Airport → Tokyo / Narita	N17306	Boeing 737 MAX 8	Incomplete (signal lost)	~2591 km est. (88 km recorded)
2026-09-22 05:23 UTC	UAL864	GUM → NRT Hagåtña, Guam International Airport → Tokyo / Narita	N27304	Boeing 737 MAX 8	Completed	599 km
2026-09-22 03:01 UTC	UAL864	GUM → NRT Hagåtña, Guam International Airport → Tokyo / Narita	N27304	Boeing 737 MAX 8	Incomplete (signal lost)	~2571 km est. (47 km recorded)
2026-09-19 05:32 UTC	UAL864	GUM → NRT Hagåtña, Guam International Airport → Tokyo / Narita	N37319	Boeing 737 MAX 8	Completed	480 km
2026-09-19 03:04 UTC	UAL864	GUM → NRT Hagåtña, Guam International Airport → Tokyo / Narita	N37319	Boeing 737 MAX 8	Incomplete (signal lost)	~2565 km est. (31 km recorded)
2026-09-15 05:34 UTC	UAL864	GUM → NRT Hagåtña, Guam International Airport → Tokyo / Narita	N17309	Boeing 737 MAX 8	Completed	548 km
2026-09-15 03:01 UTC	UAL864	GUM → NRT Hagåtña, Guam International Airport → Tokyo / Narita	N17309	Boeing 737 MAX 8	Incomplete (signal lost)	~2566 km est. (28 km recorded)
2026-09-12 05:33 UTC	UAL864	GUM → NRT Hagåtña, Guam International Airport → Tokyo / Narita	N17303	Boeing 737 MAX 8	Completed	530 km
2026-09-12 03:05 UTC	UAL864	GUM → NRT Hagåtña, Guam International Airport → Tokyo / Narita	N17303	Boeing 737 MAX 8	Incomplete (signal lost)	~2564 km est. (24 km recorded)
2026-09-08 05:26 UTC	UAL864	? → NRT ? → Tokyo / Narita	N17302	Boeing 737 MAX 8	Completed	565 km
2026-09-05 03:03 UTC	UAL864	GUM → NRT Hagåtña, Guam International Airport → Tokyo / Narita	N17329	Boeing 737 MAX 8	Completed	2594 km
2026-09-01 03:20 UTC	UAL864	GUM → NRT Hagåtña, Guam International Airport → Tokyo / Narita	N37319	Boeing 737 MAX 8	Completed	2575 km
2026-08-29 03:02 UTC	UAL864	GUM → NRT Hagåtña, Guam International Airport → Tokyo / Narita	N17322	Boeing 737 MAX 8	Completed	2668 km
2026-08-25 03:13 UTC	UAL864	GUM → NRT Hagåtña, Guam International Airport → Tokyo / Narita	N17302	Boeing 737 MAX 8	Completed	2701 km
2026-08-22 03:05 UTC	UAL864	GUM → NRT Hagåtña, Guam International Airport → Tokyo / Narita	N17316	Boeing 737 MAX 8	Completed	3053 km
2026-08-17 08:29 UTC	UAL864	NRT → NRT Tokyo / Narita → Tokyo / Narita	N17306	Boeing 737 MAX 8	Completed	1411 km