UAL1339

For travellers

Departure · Denver (DEN)

Gate A18

Scheduled 09:46 · Departed 09:44

Board status: Off block

Airborne since 09:45 (ADS-B)

Arrival · San Juan (SJU)

Gate B-6

Scheduled 17:38

Board status: A TIEMPO

In the air, ~2h 1m to go (60% of the route flown)

Board data from den, sju, updated 26 min ago; times local to each airport.

Flight

Status

In progress

Departure

Denver International Airport (DEN) — Denver, United States

Scheduled departure

2026-10-03 15:46 UTC

Departed

2026-10-03 15:45 UTC

Arrival

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

Scheduled arrival

2026-10-03 21:38 UTC

Progress

60% · ~2h 1m remaining

Also flies as

UA1339

Distance flown

2730 km

Straight-line distance

4396 km

Aircraft

Registration

N17317

Type

Boeing 737 MAX 8

Seats

166 total (96 Economy, 54 Economy Plus, 16 First)

CO2 (EMEP est., total)

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

Altitude & speed

Max altitude

36,025 ft

Max ground speed

527 kt

Tracked

3h 15m · 2,730 km

Note

still in progress - the track so far

Altitude (ft, max 36,025)

Ground speed (kt, max 527)

Altitude (ft, max 36,025)

Ground speed (kt, max 527)

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 15:45 UTC	UAL1339	DEN → SJU Denver → San Juan	N17317	Boeing 737 MAX 8	In progress	~4396 km est.
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