Key West International to Manchester Boston Regional EYW → MHT
1,216 nautical miles (1,399 statute miles) north on a straight line, true course 022°, about 026° magnetic at the departure end (variation 4W). At 120 knots that is 8 h 16 min at the quickest height in today's winds (34,000 ft, a 27-knot tailwind), arriving about 3:49 pm EDT (19:49 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: 1 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
- AIRMET TANGO 2W: moderate turbulence above 18,000 ft from 30,000 ft to 41,000 ft. Over the route from 458 to 817 nm out.
- AIRMET TANGO 3W: moderate turbulence above 18,000 ft from 24,000 ft to 33,000 ft. Over the last 379 nm of the route.
- 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 369 nm of the route.
- AIRMET SIERRA 4E: mountains obscured by cloud (due to mountains obscured by clouds, mist). Near the route, at the destination end.
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 EYW.
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 08:00–15:00 UTC · at 120 knots true airspeed
The eastbound cruising heights for this course (VFR: odd thousands plus 500 ft; above 18,000 ft the forecast levels), with the wind averaged along the line from the 11 forecast points nearest it (EYW, MIA, MLB, JAX, CHS, ILM, ORF, ACY, JFK, BDL, BOS). A plus sign is a headwind, a minus sign a tailwind.
| Height | Average wind | Head- or tailwind | Temperature | Ground speed | Time en route | Arrival |
|---|---|---|---|---|---|---|
| 3,500 ft | 320° at 14 kt | +6 kt | 114 kt | 10 h 40 min | 6:13 pm EDT (22:13 UTC) | |
| 5,500 ft | 310° at 14 kt | +4 kt | 116 kt | 10 h 29 min | 6:02 pm EDT (22:02 UTC) | |
| 7,500 ft | 310° at 15 kt | +4 kt | 12 °C | 116 kt | 10 h 29 min | 6:02 pm EDT (22:02 UTC) |
| 9,500 ft | 310° at 16 kt | +4 kt | 8 °C | 116 kt | 10 h 29 min | 6:02 pm EDT (22:02 UTC) |
| 11,500 ft | 310° at 17 kt | +3 kt | 6 °C | 117 kt | 10 h 24 min | 5:57 pm EDT (21:57 UTC) |
| 13,500 ft | 300° at 19 kt | +1 kt | 2 °C | 119 kt | 10 h 13 min | 5:46 pm EDT (21:46 UTC) |
| 15,500 ft | 290° at 21 kt | −2 kt | -2 °C | 122 kt | 9 h 58 min | 5:31 pm EDT (21:31 UTC) |
| 17,500 ft | 280° at 23 kt | −4 kt | -7 °C | 124 kt | 9 h 48 min | 5:21 pm EDT (21:21 UTC) |
| 18,000 ft FL180 | 280° at 23 kt | −5 kt | -8 °C | 125 kt | 9 h 44 min | 5:17 pm EDT (21:17 UTC) |
| 24,000 ft FL240 | 260° at 27 kt | −14 kt | -20 °C | 134 kt | 9 h 04 min | 4:37 pm EDT (20:37 UTC) |
| 30,000 ft FL300 | 250° at 36 kt | −26 kt | -33 °C | 146 kt | 8 h 20 min | 3:53 pm EDT (19:53 UTC) |
| 34,000 ft FL340 | 250° at 39 kt | −27 kt | -40 °C | 147 kt | 8 h 16 min | 3:49 pm EDT (19:49 UTC) |
| 39,000 ft FL390 | 260° at 34 kt | −20 kt | -50 °C | 140 kt | 8 h 41 min | 4:14 pm EDT (20:14 UTC) |
Based on data from the 12th at 06:00 UTC; valid on the 12th at 12:00 UTC for use 08:00 to 15:00 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| EYW | used from 0 nm out; 25 nm from the line | 080/9 | 050/5 18° | 070/5 13° | 060/6 9° | L/V -6° | 280/11 -17° | 260/18 -32° | 250/21 -41° | 260/21 -52° |
| MIA | used from 50 nm out; 51 nm from the line | L/V | L/V 17° | L/V 13° | L/V 8° | 270/6 -6° | 250/9 -17° | 290/17 -32° | 280/25 -41° | 280/21 -52° |
| MLB | used from 149 nm out; 52 nm from the line | 290/10 | 260/15 18° | 290/12 13° | 280/13 8° | 250/20 -7° | 260/18 -18° | 240/17 -32° | 250/20 -41° | 250/22 -52° |
| JAX | used from 349 nm out; 138 nm from the line | 310/22 | 310/19 16° | 300/22 14° | 290/25 8° | 300/25 -7° | 300/24 -18° | 270/20 -33° | 260/25 -41° | 290/17 -51° |
| CHS | used from 399 nm out; 132 nm from the line | 330/14 | 300/17 14° | 320/21 9° | 310/26 6° | 310/32 -6° | 280/34 -19° | 260/37 -32° | 280/30 -39° | 310/30 -50° |
| ILM | used from 498 nm out; 102 nm from the line | 300/18 | 300/22 13° | 300/21 8° | 290/28 4° | 280/38 -7° | 270/40 -18° | 250/49 -32° | 250/50 -40° | 270/33 -50° |
| ORF | used from 697 nm out; 79 nm from the line | 310/30 | 320/27 11° | 310/30 8° | 320/30 3° | 290/36 -8° | 270/40 -21° | 250/52 -32° | 250/50 -39° | 260/42 -48° |
| ACY | used from 897 nm out; 54 nm from the line | 350/12 | 340/12 11° | 340/12 6° | 340/13 2° | 270/10 -10° | 240/17 -23° | 230/46 -33° | 230/46 -40° | 240/46 -49° |
| JFK | used from 996 nm out; 38 nm from the line | 020/25 | 290/9 12° | 300/12 7° | 320/14 3° | 290/17 -10° | 240/27 -21° | 240/44 -36° | 240/53 -41° | 240/51 -50° |
| BDL | used from 1096 nm out; 27 nm from the line | 020/15 | 010/19 10° | 340/10 7° | 300/17 3° | 280/23 -10° | 250/35 -22° | 250/44 -38° | 250/55 -42° | 250/57 -51° |
| BOS | used from 1196 nm out; 35 nm from the line | 020/10 | 360/20 10° | 340/19 7° | 290/21 2° | 270/35 -9° | 260/42 -22° | 250/55 -38° | 240/75 -43° | 250/72 -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 |
|---|---|---|---|---|---|---|---|
| EYW Key West, FL | departure | no report just now | 3 ft | ||||
| TNT Miami, FL | 90 nm out, 13 nm east of the line | no report just now | 12 ft | ||||
| FPR Fort Pierce, FL | 189 nm out, 3 nm northeast of the line, tower | no report just now | 23 ft | ||||
| MRH Beaufort, NC | 668 nm out, 1 nm south of the line | no report just now | 10 ft | ||||
| ECG Elizabeth City, NC | 757 nm out, 17 nm northwest of the line, tower | no report just now | 10 ft | ||||
| OXB Ocean City, MD | 897 nm out, 25 nm west of the line | no report just now | 15 ft | ||||
| ISP New York, NY | 1066 nm out, 7 nm northwest of the line, tower | no report just now | 98 ft | ||||
| ORH Worcester, MA | 1176 nm out, 5 nm south of the line, tower | no report just now | 1,009 ft | ||||
| MHT Manchester, NH | destination | no report just now | 266 ft |
The highest airport on this list sits at 1,009 ft; the ground between airports is higher still. Check the sectional chart for the terrain and the minimum safe heights along the line.
At MHT when you get there the forecast at the estimated arrival, 3:49 pm EDT (19:49 UTC)
MHT has no terminal forecast; use the nearest airport that does.
Temporary flight restrictions on the line or within 25 nm of it
- 6/5945 Key West, FL 7 nm from the route, at the departure end · security · ZMA
- 6/0299 Key West, FL, Friday, June 26, 2026 through Saturday, October 17, 2026 Local 7 nm from the route, at the departure end · security · until 17 October · ZMA
- 6/8901 Cape Canaveral, FL, Thursday, October 15, 2026 Local 7 nm from the route, 249 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 7 nm from the route, 249 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 7 nm from the route, 249 nm along the route · a rocket launch or re-entry · starts tomorrow · ZJX
- 6/8897 Cape Canaveral, FL, Wednesday, October 14, 2026 Local 7 nm from the route, 249 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 7 nm from the route, 249 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 7 nm from the route, 249 nm along the route · a rocket launch or re-entry · starts tomorrow · ZMA
- 6/7153 North Sicuate, RI, Saturday, October 10, 2026 through Monday, October 12, 2026 UTC 21 nm from the route, 1156 nm along the route · drones kept away from a public gathering · until 12 October · ZBW
Daylight
Sunset at EYW 7:03 pm EDT (23:03 UTC), at MHT 6:08 pm EDT (22:08 UTC) (civil twilight ends 6:36 pm EDT (22:36 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: Key West International, Manchester Boston Regional.