UAL1339

For travellers

Departure · Denver (DEN)

Gate B55

Scheduled 01 Oct 09:46 · Departed 01 Oct 09:46

Board status: Off block

Airborne since 01 Oct 10:08 (ADS-B)

Arrival · San Juan (SJU)

Gate B8

Scheduled 01 Oct 17:38 · Landed 01 Oct 17:32 · early

Board status: Landed

Landed 01 Oct 17:32 (airport data)

Board data from den, sju, updated 2883 min ago; times local to each airport.

Flight

Status

Completed (landing confirmed by airport data)

Arrival confirmed via

Airport data (confirmed)

Departure

Denver International Airport (DEN) — Denver, United States

Scheduled departure

2026-10-01 15:46 UTC

Departed

2026-10-01 16:08 UTC

Arrival

Luis Munoz Marin International Airport (SJU) — San Juan, Puerto Rico

Scheduled arrival

2026-10-01 21:38 UTC

Estimated arrival

2026-10-01 21:41 UTC

Also flies as

UA1339

Distance flown

4466 km

Straight-line distance

4396 km

Aircraft

Registration

N37325

Type

Boeing 737 MAX 8

Seats

166 total (16 Business, 150 Economy)

CO2 (EMEP est., total)

85.5 t (657 kg/pax Business, 499 kg/pax Economy)

Altitude & speed

Max altitude

36,025 ft

Max ground speed

507 kt

Tracked

5h 20m · 4,447 km

Altitude (ft, max 36,025)

Ground speed (kt, max 507)

Altitude (ft, max 36,025)

Ground speed (kt, max 507)

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 20:29 UTC	UAL1339	DEN → SJU Denver → San Juan	N17317	Boeing 737 MAX 8	Completed (landing presumed)	518 km
2026-10-03 15:45 UTC	UAL1339	DEN → SJU Denver → San Juan	N17317	Boeing 737 MAX 8	Incomplete (signal lost)	~4561 km est. (2730 km recorded)
2026-10-02 21:29 UTC	UAL1339	DEN → SJU Denver → San Juan	N27323	Boeing 737 MAX 8	Completed (landing presumed)	161 km
2026-10-02 16:24 UTC	UAL1339	DEN → SJU Denver → San Juan	N27323	Boeing 737 MAX 8	Incomplete (signal lost)	~4475 km est. (2951 km recorded)
2026-10-01 16:08 UTC	UAL1339	DEN → SJU Denver → San Juan	N37325	Boeing 737 MAX 8	Completed (landing confirmed by airport data)	4466 km
2026-09-30 16:08 UTC	UAL1339	DEN → SJU Denver → San Juan	N17321	Boeing 737 MAX 8	Completed (landing presumed)	4457 km
2026-09-29 16:06 UTC	UAL1339	DEN → SJU Denver → San Juan	N17336	Boeing 737 MAX 8	Completed (landing presumed)	4525 km
2026-09-28 15:58 UTC	UAL1339	DEN → SJU Denver → San Juan	N37342	Boeing 737 MAX 8	Completed (landing presumed)	4521 km
2026-09-27 16:23 UTC	UAL1339	DEN → SJU Denver → San Juan	N17359	Boeing 737 MAX 8	Completed (landing presumed)	4564 km
2026-09-26 16:13 UTC	UAL1339	DEN → SJU Denver → San Juan	N17597	Boeing 737 MAX 9	Completed (landing presumed)	4613 km
2026-09-25 16:45 UTC	UAL1339	DEN → SJU Denver → San Juan	N47370	Boeing 737 MAX 8	Completed	4470 km
2026-09-24 15:46 UTC	UAL1339	DEN → SJU Denver → San Juan	N17314	Boeing 737 MAX 8	Completed (landing presumed)	4479 km
2026-09-19 15:44 UTC	UAL1339	DEN → SJU Denver → San Juan	N17362	Boeing 737 MAX 8	Completed	5049 km
2026-09-12 15:57 UTC	UAL1339	DEN → SJU Denver → San Juan	N47293	Boeing 737 MAX 8	Completed (landing presumed)	5047 km
2026-09-05 15:41 UTC	UAL1339	DEN → SJU Denver → San Juan	N17349	Boeing 737 MAX 8	Completed (landing presumed)	4669 km
2026-08-29 15:48 UTC	UAL1339	DEN → SJU Denver → San Juan	N47360	Boeing 737 MAX 8	Completed	5096 km
2026-08-22 15:43 UTC	UAL1339	DEN → SJU Denver → San Juan	N17361	Boeing 737 MAX 8	Completed	6024 km