The U.S. aircraft register, updated daily
Plan a flight · Mon 10:15 am AST (14:15 UTC)

Luis Munoz Marin International to Denver International SJU → DEN

2,374 nautical miles (2,731 statute miles) northwest on a straight line, true course 311°, about 322° magnetic at the departure end (variation 11W). At 120 knots that is 21 h 01 min at the quickest height in today's winds (4,500 ft, a 7-knot headwind), arriving about 5:16 am MDT (11:16 UTC), after sunset at the destination. Right now SJU is VFR, wind from the east (080°) at 12 knots; DEN is VFR, wind from the southwest (220°) at 7 knots. For planning, not a briefing: the legal preflight briefing comes from Flight Service (1-800-WX-BRIEF) or the FAA's own tools. Airlines fly this pair: 657 flights in the DOT's last twelve reported months, the route's page.

The return flight

The route the straight line, the warnings crossed, restrictions, pilot reports and the airports along the way · click a mark for its words

Green, blue, red and purple airport dots are the flying conditions reported there now (VFR, marginal VFR, IFR, low IFR); grey means no report. Red areas are SIGMETs, orange areas AIRMETs, hatched red areas temporary flight restrictions. Map tiles: OpenFreeMap, data © OpenStreetMap contributors.

Warnings the route crosses SIGMETs and AIRMETs whose area the line passes through or comes within 25 nm of

  • AIRMET TANGO 2W: low-level wind shear (due to air speed loss or gain of 20 knots or more below 2,000 ft above the ground). Over the route from 1925 to 2094 nm out.
  • AIRMET TANGO 4W: moderate turbulence above 18,000 ft (due to mountain wave) from 34,000 ft to 43,000 ft. Over the last 100 nm of the route.
  • AIRMET TANGO 2W: moderate turbulence below 18,000 ft (due to mountain wave) up to 22,000 ft. Over the last 0 nm of the route.

A SIGMET warns of weather hazardous to all aircraft; an AIRMET of weather that matters to small aircraft and to flying without instruments. "From 60 to 180 nm out" is measured along the route from SJU.

Pilot reports along the route within 50 nm of the line, last three hours, the serious ones first

  • urgent C172 at 6,700 ft, 19 nm southwest, 8:54 am AST (12:54 UTC): remarks: low-level wind shear + 10 knots during the climb. At the destination end, 19 nm southwest of the line.
    as filed, and in English
    APA UUA /OV KAPA/TM 1254/FL067/TP C172/RM LLWS +/- 10 KTS DURC
    Report
    an urgent report filed through APA
    Where
    over KAPA
    Time
    12:54 UTC
    Height
    at 6,700 ft
    Aircraft
    C172
    Remarks
    low-level wind shear + 10 knots during the climb
  • urgent FA7X at 6,800 ft, 19 nm southwest, 8:40 am AST (12:40 UTC): remarks: low-level wind shear a 40-knot loss of airspeed knots during the climb runway 35R. At the destination end, 19 nm southwest of the line.
    as filed, and in English
    APA UUA /OV KAPA/TM 1240/FL068/TP FA7X/RM LLWS -40 KTS DURC RY 35R
    Report
    an urgent report filed through APA
    Where
    over KAPA
    Time
    12:40 UTC
    Height
    at 6,800 ft
    Aircraft
    FA7X
    Remarks
    low-level wind shear a 40-knot loss of airspeed knots during the climb runway 35R
  • urgent TBM7 at 100 ft, 20 nm southwest, 8:30 am AST (12:30 UTC): light chop turbulence, remarks: low-level wind shear a 10-knot loss of airspeed. At the destination end, 20 nm southwest of the line.
    as filed, and in English
    APA UUA /OV APA140001/TM 1230/FL001/TP TBM7/TB LGT CHOP/RM LLWS +-10KTS
    Report
    an urgent report filed through APA
    Where
    1 nm southeast (140°) of APA
    Time
    12:30 UTC
    Height
    at 100 ft
    Aircraft
    TBM7
    Turbulence
    light chop
    Remarks
    low-level wind shear a 10-knot loss of airspeed
  • B738 at 19,000 ft, 45 nm southwest, 9:48 am AST (13:48 UTC): moderate turbulence. 1067 nm along the route, 45 nm southwest of the line.
    as filed, and in English
    MCO UA /OV LEE/TM 1348/FL190/TP B738/TB MODERATE
    Report
    a routine report filed through MCO
    Where
    over LEE
    Time
    13:48 UTC
    Height
    at 19,000 ft
    Aircraft
    B738
    Turbulence
    moderate
  • B38M at 12,000 ft, 5 nm northwest, 10:07 am AST (14:07 UTC): moderate turbulence, remarks: from 11,000 ft to 12,000 ft. At the destination end, 5 nm northwest of the line.
    as filed, and in English
    DEN UA /OV DEN090025/TM 1407/FL120/TP B38M/TB MOD/RM 110-120
    Report
    a routine report filed through DEN
    Where
    25 nm east (090°) of DEN
    Time
    14:07 UTC
    Height
    at 12,000 ft
    Aircraft
    B38M
    Turbulence
    moderate
    Remarks
    from 11,000 ft to 12,000 ft
  • C172 at 9,500 ft, 46 nm south, 8:43 am AST (12:43 UTC): moderate chop turbulence. At the destination end, 46 nm south of the line.
    as filed, and in English
    COS UA /OV BRK348/005/TM 1243/FL095/TP C172/TB TB MOD CHOP
    Report
    a routine report filed through COS
    Where
    BRK348/005
    Time
    12:43 UTC
    Height
    at 9,500 ft
    Aircraft
    C172
    Turbulence
    turbulence moderate chop
  • B737 at 21,000 ft, 22 nm northwest, 10:05 am AST (14:05 UTC): moderate turbulence, remarks: mountain wave a 30-knot gain of airspeed from 25,000 ft to 15,000 ft during the descent. At the destination end, 22 nm northwest of the line.
    as filed, and in English
    DEN UA /OV DEN310025/TM 1405/FL210/TP B737/TB MOD TURB/RM MTN WAVE +30KTS 250-150 DURD
    Report
    a routine report filed through DEN
    Where
    25 nm northwest (310°) of DEN
    Time
    14:05 UTC
    Height
    at 21,000 ft
    Aircraft
    B737
    Turbulence
    moderate turbulence
    Remarks
    mountain wave a 30-knot gain of airspeed from 25,000 ft to 15,000 ft during the descent
  • B738 descending, 37 nm northwest, 9:01 am AST (13:01 UTC): moderate turbulence from 11,000 ft to 20,000 ft. At the destination end, 37 nm northwest of the line.
    as filed, and in English
    DEN UA /OV 40NW DEN/TM 1301/FLDURD/TP B738/TB MOD 200-110
    Report
    a routine report filed through DEN
    Where
    40NW den
    Time
    13:01 UTC
    Height
    during the descent
    Aircraft
    B738
    Turbulence
    moderate from 20,000 ft to 11,000 ft
  • B738 descending, 41 nm southwest, 8:55 am AST (12:55 UTC): moderate turbulence from 16,000 ft to 20,000 ft. At the destination end, 41 nm southwest of the line.
    as filed, and in English
    DEN UA /OV 40SW DEN/TM 1255/FLDURD/TP B738/TB MOD 200-160
    Report
    a routine report filed through DEN
    Where
    40SW den
    Time
    12:55 UTC
    Height
    during the descent
    Aircraft
    B738
    Turbulence
    moderate from 20,000 ft to 16,000 ft
  • C172 at 200 ft, 18 nm southwest, 8:35 am AST (12:35 UTC): moderate turbulence, remarks: low-level wind shear a 15-knot loss of airspeed. At the destination end, 18 nm southwest of the line.
    as filed, and in English
    APA UA /OV APA350001/TM 1235/FL002/TP C172/TB MOD TURB/RM LLWS +-15KTS
    Report
    a routine report filed through APA
    Where
    1 nm north (350°) of APA
    Time
    12:35 UTC
    Height
    at 200 ft
    Aircraft
    C172
    Turbulence
    moderate turbulence
    Remarks
    low-level wind shear a 15-knot loss of airspeed
  • B737 at 16,000 ft, 37 nm northwest, 8:23 am AST (12:23 UTC): moderate turbulence, remarks: during the descent. At the destination end, 37 nm northwest of the line.
    as filed, and in English
    DEN UA /OV DEN320040/TM 1223/FL160/TP B737/TB MOD/RM DURD
    Report
    a routine report filed through DEN
    Where
    40 nm northwest (320°) of DEN
    Time
    12:23 UTC
    Height
    at 16,000 ft
    Aircraft
    B737
    Turbulence
    moderate
    Remarks
    during the descent
  • B738 at 36,000 ft, 39 nm northeast, 8:23 am AST (12:23 UTC): a routine report with nothing remarked on. At the departure end, 39 nm northeast of the line.
    as filed, and in English
    SJU UA /OV SJU044038/TM 1223/FL360/TP B738/SK TOPS FL400
    Report
    a routine report filed through SJU
    Where
    38 nm northeast (044°) of SJU
    Time
    12:23 UTC
    Height
    at 36,000 ft
    Aircraft
    B738
    Sky
    tops 40,000 ft
  • B763 at 9,000 ft, 4 nm west, 9:06 am AST (13:06 UTC): a broken layer up to 14,000 ft. At the departure end, 4 nm west of the line.
    as filed, and in English
    SJU UA /OV SJU312023/TM 1306/FL090/TP B763/SK BKN-TOP 140
    Report
    a routine report filed through SJU
    Where
    23 nm northwest (312°) of SJU
    Time
    13:06 UTC
    Height
    at 9,000 ft
    Aircraft
    B763
    Sky
    a broken layer, tops 14,000 ft
  • B38M at 23,000 ft, 6 nm south, 8:15 am AST (12:15 UTC): light turbulence. 997 nm along the route, 6 nm south of the line.
    as filed, and in English
    OMN UA /OV OMN130058/TM 1215/FL230/TP B38M/TB LGT
    Report
    a routine report filed through OMN
    Where
    58 nm southeast (130°) of OMN
    Time
    12:15 UTC
    Height
    at 23,000 ft
    Aircraft
    B38M
    Turbulence
    light

16 more routine reports are on the map.

Winds aloft along the route, and the time en route the forecast for use 14:00–21:00 UTC · at 120 knots true airspeed

The westbound cruising heights for this course (VFR: even thousands plus 500 ft; above 18,000 ft the forecast levels), with the wind averaged along the line from the 16 forecast points nearest it (MIA, MLB, JAX, TLH, CSG, MGM, BHM, JAN, MEM, LIT, FSM, TUL, ICT, GCK, GLD, DEN). A plus sign is a headwind, a minus sign a tailwind.

HeightAverage windHead- or tailwindTemperatureGround speedTime en routeArrival
4,500 ft260° at 8 kt+7 kt20 °C113 kt21 h 01 min5:16 am MDT (11:16 UTC)
6,500 ft270° at 10 kt+9 kt17 °C111 kt21 h 23 min5:38 am MDT (11:38 UTC)
8,500 ft260° at 10 kt+9 kt14 °C111 kt21 h 23 min5:38 am MDT (11:38 UTC)
10,500 ft260° at 11 kt+9 kt10 °C111 kt21 h 23 min5:38 am MDT (11:38 UTC)
12,500 ft260° at 13 kt+10 kt6 °C110 kt21 h 35 min5:50 am MDT (11:50 UTC)
14,500 ft260° at 14 kt+11 kt2 °C109 kt21 h 47 min6:02 am MDT (12:02 UTC)
16,500 ft260° at 15 kt+12 kt-3 °C108 kt21 h 59 min6:14 am MDT (12:14 UTC)
18,000 ft FL180260° at 15 kt+12 kt-6 °C108 kt21 h 59 min6:14 am MDT (12:14 UTC)
24,000 ft FL240260° at 18 kt+15 kt-18 °C105 kt22 h 37 min6:52 am MDT (12:52 UTC)
30,000 ft FL300270° at 31 kt+27 kt-31 °C93 kt25 h 32 min9:47 am MDT (15:47 UTC)
34,000 ft FL340270° at 34 kt+29 kt-40 °C91 kt26 h 05 min10:20 am MDT (16:20 UTC)
39,000 ft FL390270° at 32 kt+27 kt-50 °C93 kt25 h 32 min9:47 am MDT (15:47 UTC)

Based on data from the 12th at 12:00 UTC; valid on the 12th at 18:00 UTC for use 14:00 to 21:00 UTC; temperatures above 24,000 ft are below zero. Heights are above sea level; a height is left out when the forecast has no wind for it over most of the line (the ground is higher). Ground speed is the airspeed less the headwind; the time en route is for the straight line and ignores climb, descent and routing around weather.

The forecast points as issued
PointFrom3,0006,0009,00012,00018,00024,00030,00034,00039,000
MIAused from 0 nm out; 884 nm from the lineL/VL/V 17°L/V 13°L/V 8°250/6 -6°260/10 -18°240/23 -32°240/29 -41°240/29 -52°
MLBused from 848 nm out; 128 nm from the line320/12300/13 18°280/13 15°280/15 9°270/16 -7°270/13 -18°240/24 -33°240/23 -41°270/21 -50°
JAXused from 1047 nm out; 62 nm from the line320/17330/21 17°320/21 14°310/23 8°340/19 -6°360/26 -19°010/44 -30°360/35 -41°330/22 -50°
TLHused from 1197 nm out; 42 nm from the line360/24350/19 18°340/18 11°320/14 6°360/12 -5°350/21 -17°350/29 -32°360/34 -41°340/33 -53°
CSGused from 1296 nm out; 49 nm from the line340/20340/15 17°330/19 11°320/19 5°330/11 -4°300/14 -17°330/28 -31°340/42 -40°350/33 -51°
MGMused from 1346 nm out; 9 nm from the line350/14320/18 17°320/17 11°300/14 5°330/13 -5°310/12 -17°330/29 -30°340/40 -40°350/32 -50°
BHMused from 1446 nm out; 64 nm from the line310/11310/13 16°310/18 11°300/17 6°300/14 -5°300/20 -17°320/35 -30°320/43 -40°340/38 -50°
JANused from 1496 nm out; 100 nm from the line210/8230/13 18°240/10 11°260/11 6°280/16 -5°260/12 -15°330/34 -30°320/39 -40°340/34 -51°
MEMused from 1546 nm out; 66 nm from the line240/14260/23 16°250/22 11°250/20 7°270/24 -6°270/27 -16°310/49 -30°310/46 -39°320/43 -50°
LITused from 1646 nm out; 43 nm from the line230/23250/23 17°250/18 11°250/18 7°250/27 -7°270/23 -15°290/50 -30°300/43 -38°320/38 -50°
FSMused from 1745 nm out; 62 nm from the line210/15230/31 18°230/26 12°240/22 8°260/26 -6°270/29 -16°280/56 -29°290/47 -37°310/41 -50°
TULused from 1845 nm out; 46 nm from the line210/24220/29 18°240/17 14°250/16 8°260/28 -6°260/36 -18°270/63 -28°280/54 -37°290/46 -49°
ICTused from 1945 nm out; 43 nm from the line200/26240/31 21°230/30 14°240/30 7°250/38 -8°240/49 -19°260/73 -27°270/69 -37°270/63 -48°
GCKused from 2094 nm out; 53 nm from the line250/23 20°230/35 13°240/47 7°240/42 -7°250/43 -20°240/81 -28°250/87 -37°250/83 -49°
GLDused from 2194 nm out; 30 nm from the line240/22250/24 13°250/39 6°230/42 -8°230/55 -21°240/87 -30°240/96 -36°250/93 -48°
DENused from 2294 nm out; 55 nm from the line230/7 11°230/13 4°230/40 -9°230/48 -20°240/66 -32°240/88 -38°230/100 -47°

The weather now: both ends and the airports along the way public airports with a weather report within 25 nm of the line, one for each stretch

AirportWhereConditionsWindVisibilityCeilingElevationReported
SJU San Juan, PR departure VFR Sky: a few clouds at 2,500 feet, scattered clouds at 3,500 feet, scattered clouds at 4,500 feet from the east (080°) at 12 knots 10+ mi none 9 ft 9:56 am AST (13:56 UTC)
ABO Arecibo, PR 30 nm out, 25 nm southwest of the line no report just now 20 ft
MYAT Treasure Cay, 808 nm out, 11 nm south of the line no report just now 10 ft
LCQ Lake City, FL 1147 nm out, 1 nm south of the line, tower VFR from the northwest (310°) at 8 knots 10+ mi none 200 ft 13:55 UTC
MGM Montgomery, AL 1376 nm out, 4 nm west of the line, tower VFR from the west-northwest (300°) at 4 knots 10+ mi none 221 ft 13:53 UTC
GTR Columbus/W Point/Starkville, MS 1506 nm out, 5 nm west of the line, tower VFR variable at 3 knots 10+ mi none 264 ft 13:56 UTC
FYV Fayetteville, AR 1825 nm out, 3 nm southwest of the line, tower VFR from the south-southwest (210°) at 14 knots, gusting to 20 10+ mi none 1,252 ft 13:53 UTC
ICT Wichita, KS 2015 nm out, 15 nm northeast of the line, tower VFR Sky: scattered clouds at 15,000 feet, a broken layer at 18,000 feet from the south (190°) at 14 knots, gusting to 21 10+ mi 18,000 ft 1,332 ft 13:53 UTC
ITR Burlington, CO 2254 nm out, 8 nm north of the line VFR from the south-southwest (200°) at 11 knots 10+ mi none 4,218 ft 13:53 UTC
DEN Denver, CO destination VFR Sky: a few clouds at 8,000 feet, a few clouds at 12,000 feet from the southwest (220°) at 7 knots 10+ mi none 5,433 ft 7:53 am MDT (13:53 UTC)

The highest airport on this list sits at 5,433 ft; the ground between airports is higher still. Check the sectional chart for the terrain and the minimum safe heights along the line.

At DEN when you get there the forecast at the estimated arrival, 5:16 am MDT (11:16 UTC)

Wind from the north-northeast at 8 knots, visibility more than 6 miles, a broken layer at 2,000 feet marginal VFR

The whole forecast for DEN
  • From Mon 6:00 am MDT (12:00 UTC): wind from the south-southwest at 15 knots, visibility more than 6 miles, clear skies
  • From Mon 10:00 am MDT (16:00 UTC): wind from the southwest at 14 knots, gusting to 21, visibility more than 6 miles, clear skies
  • From Mon 7:00 pm MDT (01:00 UTC): wind from the south at 9 knots, visibility more than 6 miles, clear skies
  • From Mon 11:00 pm MDT (05:00 UTC): wind from the north at 10 knots, visibility more than 6 miles, a few clouds at 2,000 feet, scattered clouds at 4,000 feet
  • From Tue 4:00 am MDT (10:00 UTC): wind from the north-northeast at 8 knots, visibility more than 6 miles, a broken layer at 2,000 feet
  • From Tue 10:00 am MDT (16:00 UTC): wind from the northeast at 7 knots, visibility more than 6 miles, a few clouds at 2,000 feet, a broken layer at 4,000 feet
The forecast for SJU, the departure
  • From Mon 8:00 am AST (12:00 UTC): wind from the east at 9 knots, visibility more than 6 miles, showers nearby, scattered clouds at 3,000 feet, scattered clouds at 5,000 feet
  • From Mon 10:00 am AST (14:00 UTC): wind from the east at 11 knots, visibility more than 6 miles, showers nearby, scattered clouds at 2,500 feet, scattered clouds at 4,500 feet
  • From Mon 1:00 pm AST (17:00 UTC): wind from the east-northeast at 13 knots, gusting to 20, visibility more than 6 miles, thunderstorms nearby, scattered clouds at 2,500 feet (thunderheads), a broken layer at 5,000 feet
  • From Mon 7:00 pm AST (23:00 UTC): wind from the east-southeast at 6 knots, visibility more than 6 miles, showers nearby, scattered clouds at 3,000 feet, scattered clouds at 6,000 feet

Temporary flight restrictions on the line or within 25 nm of it

  • 6/4508 CEIBA, PR 24 nm from the route, at the departure end · security · ZSU
  • 6/8901 Cape Canaveral, FL, Thursday, October 15, 2026 Local on the route, 987 nm along the route · a rocket launch or re-entry · starts Thursday 15 October · ZJX
  • 6/8900 Cape Canaveral, FL, Wednesday, October 14, 2026 Local on the route, 987 nm along the route · a rocket launch or re-entry · starts Wednesday 14 October · ZMA
  • 6/8896 Cape Canaveral, FL, Tuesday, October 13, 2026 Local on the route, 987 nm along the route · a rocket launch or re-entry · starts tomorrow · ZJX
  • 6/8897 Cape Canaveral, FL, Wednesday, October 14, 2026 Local on the route, 987 nm along the route · a rocket launch or re-entry · starts Wednesday 14 October · ZJX
  • 6/8898 Cape Canaveral, FL, Thursday, October 15, 2026 Local on the route, 987 nm along the route · a rocket launch or re-entry · starts Thursday 15 October · ZMA
  • 6/8899 Cape Canaveral, FL, Tuesday, October 13, 2026 Local on the route, 987 nm along the route · a rocket launch or re-entry · starts tomorrow · ZMA
  • 6/8298 Daytona Beach, FL, Wednesday, October 14, 2026 through Sunday, October 18, 2026 UTC 1 nm from the route, 1047 nm along the route · drones kept away from a public gathering · starts Wednesday 14 October · ZJX
  • 6/8389 Jacksonville, FL, Thursday, October 15, 2026 through Sunday, October 18, 2026 UTC 23 nm from the route, 1107 nm along the route · air shows/sports · starts Thursday 15 October · ZJX

Daylight

Sunset at SJU 6:03 pm AST (22:03 UTC), at DEN 6:22 pm MDT (00:22 UTC) (civil twilight ends 6:49 pm MDT (00:49 UTC)). At 120 knots the arrival at DEN is before sunrise there (7:06 am MDT (13:06 UTC)).

Each restriction opens the FAA's own page with the exact area, heights and times. Ordinary notices to air missions (closed runways, lights out) are not shown: the FAA's notice search is not open to sites like this one at this time.

Radar and forecast charts for the regions crossed government pictures, the latest each time the page loads

Radar now, the Caribbean
Radar now, the Caribbean · loop National Weather Service
Radar now, the Southeast
Radar now, the Southeast · loop National Weather Service
Radar now, the lower Mississippi valley
Radar now, the lower Mississippi valley · loop National Weather Service
Radar, the whole country
Radar, the whole country · loop National Weather Service
Surface analysis now
Surface analysis now Weather Prediction Center
Forecast chart, 12 hours ahead
Forecast chart, 12 hours ahead Weather Prediction Center
Forecast chart, 24 hours ahead
Forecast chart, 24 hours ahead Weather Prediction Center

Sources: the Aviation Weather Center's data service (SIGMETs, AIRMETs, graphical AIRMETs, pilot reports, winds and temperatures aloft, observations and terminal forecasts), the National Weather Service radar, the Weather Prediction Center's charts, the FAA's temporary flight restriction list and shapes, and the FAA's airport file for the positions, elevations and magnetic variation. Fetched when the page is viewed and kept a few minutes. Each leg is the straight line between its two airports; airways, terrain and airspace are not considered. The airports in detail: Luis Munoz Marin International, Denver International.