Apparatus

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flight_takeoff Flight

UAL1339

Operated by UAL

Live map

Live map filtered to UAL1339. Shown when the flight is currently airborne.

Upcoming flights 1 scheduled

From To Scheduled departure Estimated arrival Status
DEN SJU Aug 29, 04:07 PM UTC Aug 29, 09:33 PM UTC PLANNED

Route airports View route page →

Departure

DEN KDEN VFR

Denver International Airport

Denver, US

Local time
18:48 MDT
Timezone
America/Denver
Type
Large Airport
Elevation
5,431 ft
Coordinates
39.8600, -104.6738

cloud Weather

Wind
270° / 13G18 kt
Visibility
10 SM
Ceiling
BKN 9,000 ft, BKN 13,000 ft, BKN 22,000 ft
Temp / Dew
29°C / 7°C
Altimeter
30.13 inHg

Obs: 2026-08-29T00:08:00.000Z

Raw METAR / TAF 
SPECI KDEN 290008Z 27013G18KT 10SM BKN090 BKN130 BKN220 29/07 A3013 RMK AO2 WSHFT 2348 VIRGA W T02890072

TAF KDEN 282328Z 2900/3006 33012KT P6SM SCT100 BKN140 PROB30 2900/2902 VRB15G30KT -SHRA BKN100 FM290200 24008KT P6SM SCT120 BKN200 FM290500 21009KT P6SM SCT120 SCT200 FM291600 25007KT P6SM FEW110 SCT200 FM291900 25010KT P6SM VCSH SCT100 BKN150 TEMPO 2920/2924 VRB20G35KT -TSRA BKN080CB FM300000 33012KT P6SM SCT100 BKN150 PROB30 3000/3004 -SHRA BKN100

warning FAA Advisories

  • Ground Delay: thunderstorms (avg 21 minutes)

flight Live Traffic

flight_takeoff 270 Departures
flight_land 457 Arrivals

Arrival

SJU TJSJ VFR

Luis Munoz Marin International Airport

San Juan, PR

Local time
20:48 AST
Timezone
America/Puerto_Rico
Type
Large Airport
Elevation
9 ft
Coordinates
18.4394, -66.0018

cloud Weather

Wind
90° / 11 kt
Visibility
10 SM
Ceiling
SCT 3,000 ft
Temp / Dew
29°C / 24°C
Altimeter
29.97 inHg

Obs: 2026-08-28T23:56:00.000Z

Raw METAR / TAF 
METAR TJSJ 282356Z 09011KT 10SM SCT030 29/24 A2997 RMK AO2 SLP148 T02940239 10328 20289 53007 $

TAF TJSJ 282335Z 2900/2924 10011KT P6SM VCSH SCT030 SCT050 TEMPO 2900/2901 -SHRA SCT020 BKN030 FM291400 07016G26KT P6SM FEW030 SCT060 FM292200 08013KT P6SM VCSH SCT030 SCT050

flight Live Traffic

flight_takeoff 45 Departures
flight_land 51 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 A5CF1B LAX → DEN Jul 26, 21:25 UTCJul 26, 21:45 UTC20m - -
2026-07-26 A5CF1B LAX → DEN Jul 26, 16:20 UTCJul 26, 19:45 UTC3h 25m - -
2026-07-26 A5CF3F LAX → DEN Jul 26, 02:45 UTCJul 26, 02:55 UTC10m - -
2026-07-25 A5CF3F LAX → DEN Jul 25, 21:30 UTCJul 26, 01:05 UTC3h 35m - -
2026-07-24 A2B157 LAX → DEN Jul 24, 21:25 UTCJul 24, 21:45 UTC20m - -
2026-07-24 A2B157 LAX → DEN Jul 24, 16:20 UTCJul 24, 19:45 UTC3h 25m - -
2026-07-23 A5CF3F LAX → DEN Jul 23, 21:45 UTCJul 23, 22:00 UTC15m - -
2026-07-23 A5CF3F LAX → DEN Jul 23, 16:35 UTCJul 23, 20:05 UTC3h 30m - -
2026-07-22 A2B153 LAX → DEN Jul 22, 21:30 UTCJul 22, 21:40 UTC10m - -
2026-07-22 A2B153 LAX → DEN Jul 22, 16:10 UTCJul 22, 19:35 UTC3h 25m - -
2026-07-21 A4423B LAX → DEN Jul 21, 16:35 UTCJul 21, 21:55 UTC5h 20m - -
2026-07-20 A43EEC LAX → DEN Jul 20, 21:20 UTCJul 20, 21:40 UTC20m - -
2026-07-20 A43EEC LAX → DEN Jul 20, 16:20 UTCJul 20, 19:50 UTC3h 30m - -
2026-07-19 A449A4 - Jul 19, 16:30 UTCJul 19, 21:55 UTC5h 25m - -
2026-07-18 A5CC19 - Jul 18, 17:00 UTCJul 18, 22:15 UTC5h 15m - -
2026-07-17 A2B10F - Jul 17, 16:15 UTCJul 17, 21:39 UTC5h 25m - -
2026-07-16 A2B176 - Jul 16, 16:05 UTCJul 16, 19:40 UTC3h 35m - -
2026-07-15 A5CC35 - Jul 15, 21:15 UTCJul 15, 21:35 UTC20m - -
2026-07-15 A5CC35 - Jul 15, 16:10 UTCJul 15, 19:40 UTC3h 30m - -
2026-07-14 A12756 DEN → EWR Jul 14, 16:05 UTCJul 15, 02:35 UTC10h 29m - -
2026-07-13 A2B135 - Jul 13, 21:25 UTCJul 13, 21:45 UTC20m - -
2026-07-13 A2B135 - Jul 13, 16:20 UTCJul 13, 19:15 UTC2h 55m - -
2026-07-12 A12735 - Jul 12, 21:15 UTCJul 12, 21:35 UTC20m - -
2026-07-12 A12735 DEN → SJU Jul 12, 16:04 UTCJul 12, 21:32 UTC5h 28m +21m -8m
2026-07-12 A12735 - Jul 12, 16:10 UTCJul 12, 19:35 UTC3h 25m - -
2026-07-11 A2B10C DEN → SJU Jul 11, 16:40 UTCJul 11, 22:01 UTC5h 20m - -
2026-07-10 A2B12D - Jul 10, 21:25 UTCJul 10, 21:45 UTC20m - -
2026-07-10 A2B12D - Jul 10, 16:15 UTCJul 10, 19:45 UTC3h 30m - -
2026-07-09 A12796 - Jul 9, 21:15 UTCJul 9, 21:30 UTC15m - -
2026-07-09 A12796 - Jul 9, 16:05 UTCJul 9, 19:35 UTC3h 30m - -

Performance history

Flights tracked
212 showing last 30
Avg arrival delay
-8m
On-time arrival
100% 100% on time
Aircraft used
17

Monthly activity 4 months

Month Flights tracked
July 2026 43
June 2026 52
May 2026 57
April 2026 60

UAL1339 frequently asked

Where does flight UAL1339 fly?
UAL1339 (UAL) flies from DEN to SJU. View the full route page.
How long is flight UAL1339?
Based on observed flights, UAL1339 takes on average 2h 54m from takeoff to landing.
How often does UAL1339 fly?
UAL1339 has been observed flying several times a week in our tracking data. We've recorded 212 flights under this callsign.
Is flight UAL1339 usually on time?
Across recent flights, UAL1339 arrives 8 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL1339?
UAL1339 has been operated by 17 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL1339 live?
Yes. When UAL1339 is currently airborne, the live tracker map above shows its real-time position from ADS-B broadcasts. If the map is empty, the flight is not currently in the air.