Luis Munoz Marin International to Laguardia Airport SJU → LGA
1,401 nautical miles (1,612 statute miles) north on a straight line, true course 345°, about 356° magnetic at the departure end (variation 11W). At 120 knots that is 8 h 59 min at the quickest height in today's winds (34,000 ft, a 36-knot tailwind), arriving about 7:35 am EDT (11:35 UTC). 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: 12 flights in the DOT's last twelve reported months, the route's page.
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
- SIGMET 6E: thunderstorms (a convective SIGMET) up to 30,000 ft, moving from the southwest at 20 knots, until 11:55 pm AST (03:55 UTC). Over the route from 1302 to 1381 nm out.
as issued
WSUS31 KKCI 120155 MKCE WST 120155 CONVECTIVE SIGMET 6E VALID UNTIL 0355Z NY NJ PA DE MD AND DE NJ NY MD CSTL WTRS FROM 20WNW SAX-70S HTO-50ESE SBY-30WSW HAR-20WNW SAX AREA EMBD TS MOV FROM 22020KT. TOPS TO FL300.
- AIRMET SIERRA 3E: low cloud or poor visibility (IFR conditions) (due to ceilings below 1,000 ft, visibility below 3 miles, precipitation, mist). Over the last 209 nm of the route.
- AIRMET TANGO 6W: strong surface winds (30 knots or more) (due to sustained surface winds greater than 30 knots). Near the route, 1242 nm along the route.
- AIRMET TANGO 2W: moderate turbulence below 18,000 ft up to 13,000 ft. Over the last 30 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
Not fetched just now.
Winds aloft along the route, and the time en route the forecast for use 02:00–09:00 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 5 forecast points nearest it (MIA, ILM, ORF, ACY, JFK). A plus sign is a headwind, a minus sign a tailwind.
| Height | Average wind | Head- or tailwind | Temperature | Ground speed | Time en route | Arrival |
|---|---|---|---|---|---|---|
| 4,500 ft | 240° at 13 kt | −3 kt | 123 kt | 11 h 23 min | 9:59 am EDT (13:59 UTC) | |
| 6,500 ft | 240° at 15 kt | −4 kt | 13 °C | 124 kt | 11 h 18 min | 9:54 am EDT (13:54 UTC) |
| 8,500 ft | 230° at 20 kt | −7 kt | 12 °C | 127 kt | 11 h 02 min | 9:38 am EDT (13:38 UTC) |
| 10,500 ft | 230° at 22 kt | −9 kt | 9 °C | 129 kt | 10 h 52 min | 9:28 am EDT (13:28 UTC) |
| 12,500 ft | 230° at 23 kt | −10 kt | 6 °C | 130 kt | 10 h 47 min | 9:23 am EDT (13:23 UTC) |
| 14,500 ft | 230° at 26 kt | −10 kt | 2 °C | 130 kt | 10 h 47 min | 9:23 am EDT (13:23 UTC) |
| 16,500 ft | 230° at 28 kt | −10 kt | -3 °C | 130 kt | 10 h 47 min | 9:23 am EDT (13:23 UTC) |
| 18,000 ft FL180 | 230° at 30 kt | −10 kt | -6 °C | 130 kt | 10 h 47 min | 9:23 am EDT (13:23 UTC) |
| 24,000 ft FL240 | 240° at 38 kt | −11 kt | -17 °C | 131 kt | 10 h 42 min | 9:18 am EDT (13:18 UTC) |
| 30,000 ft FL300 | 220° at 52 kt | −28 kt | -31 °C | 148 kt | 9 h 28 min | 8:04 am EDT (12:04 UTC) |
| 34,000 ft FL340 | 210° at 58 kt | −36 kt | -40 °C | 156 kt | 8 h 59 min | 7:35 am EDT (11:35 UTC) |
| 39,000 ft FL390 | 220° at 54 kt | −29 kt | -51 °C | 149 kt | 9 h 24 min | 8:00 am EDT (12:00 UTC) |
Based on data from the 12th at 00:00 UTC; valid on the 12th at 06:00 UTC for use 02:00 to 09:00 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
| Point | From | 3,000 | 6,000 | 9,000 | 12,000 | 18,000 | 24,000 | 30,000 | 34,000 | 39,000 |
|---|---|---|---|---|---|---|---|---|---|---|
| MIA | used from 0 nm out; 890 nm from the line | 150/7 | 140/5 17° | 160/5 14° | L/V 9° | 230/8 -5° | 230/8 -17° | 150/11 -32° | 150/25 -41° | 180/29 -51° |
| ILM | used from 547 nm out; 616 nm from the line | 270/22 | 270/23 11° | 260/35 10° | 240/41 6° | 240/49 -5° | 240/61 -16° | 230/74 -30° | 220/79 -40° | 230/71 -51° |
| ORF | used from 894 nm out; 350 nm from the line | 250/24 | 230/32 11° | 220/37 10° | 220/37 6° | 230/47 -5° | 230/62 -17° | 220/89 -30° | 220/93 -40° | 230/77 -51° |
| ACY | used from 1143 nm out; 179 nm from the line | 220/19 | 220/18 14° | 210/36 9° | 210/35 5° | 220/36 -8° | 240/49 -21° | 220/90 -31° | 230/103 -40° | 230/81 -50° |
| JFK | used from 1342 nm out; 26 nm from the line | 250/18 | 250/23 14° | 240/33 9° | 240/33 4° | 240/38 -10° | 240/45 -21° | 230/86 -32° | 230/102 -40° | 230/84 -51° |
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
| Airport | Where | Conditions | Wind | Visibility | Ceiling | Elevation | Reported |
|---|---|---|---|---|---|---|---|
| SJU San Juan, PR | departure | no report just now | 9 ft | ||||
| BLM Belmar/Farmingdale, NJ | 1371 nm out, 23 nm west of the line | no report just now | 153 ft | ||||
| LGA New York, NY | destination | no report just now | 20 ft |
The highest airport on this list sits at 153 ft; the ground between airports is higher still. Check the sectional chart for the terrain and the minimum safe heights along the line.
At LGA when you get there the forecast at the estimated arrival, 7:35 am EDT (11:35 UTC)
LGA has no terminal forecast; use the nearest airport that does.
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
- 5/2811 NEW YORK, NY, Monday, October 20, 2025 through Tuesday, October 20, 2026 Local 4 nm from the route, at the destination end · security · until 20 October · ZNY
Daylight
Sunset at SJU 6:03 pm AST (22:03 UTC), at LGA 6:20 pm EDT (22:20 UTC) (civil twilight ends 6:47 pm EDT (22:47 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
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, Laguardia Airport.