Manchester Boston Regional to Louisville Muhammad Ali International MHT → SDF
711 nautical miles (818 statute miles) west on a straight line, true course 251°, about 266° magnetic at the departure end (variation 15W). At 120 knots that is 5 h 53 min at the quickest height in today's winds (4,500 ft, a 1-knot tailwind), arriving about 8:04 am EDT (12:04 UTC). Right now MHT is marginal VFR, wind from the north (360°) at 4 knots; SDF is VFR, wind from the east-southeast (120°) at 3 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: 1,521 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 SIERRA 3E: low cloud or poor visibility (IFR conditions) (due to ceilings below 1,000 ft, visibility below 3 miles, precipitation, mist). Over the whole route.
- AIRMET ZULU 1C: moderate icing up to 22,000 ft. Over the first 99 nm of the route.
- AIRMET TANGO 3W: moderate turbulence above 18,000 ft from 21,000 ft to 33,000 ft. Over the first 336 nm of the route.
- AIRMET TANGO 2W: moderate turbulence below 18,000 ft up to 10,000 ft. Over the first 69 nm of the route.
- AIRMET SIERRA 4E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the route from 69 to 454 nm out.
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 MHT.
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 8 forecast points nearest it (BOS, ALB, AVP, PSB, AGC, CMH, CVG, LOU). 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 | 340° at 11 kt | −1 kt | 13 °C | 121 kt | 5 h 53 min | 8:04 am EDT (12:04 UTC) |
| 6,500 ft | 330° at 15 kt | 0 | 12 °C | 120 kt | 5 h 56 min | 8:07 am EDT (12:07 UTC) |
| 8,500 ft | 330° at 16 kt | +2 kt | 9 °C | 118 kt | 6 h 02 min | 8:13 am EDT (12:13 UTC) |
| 10,500 ft | 320° at 16 kt | +4 kt | 5 °C | 116 kt | 6 h 08 min | 8:19 am EDT (12:19 UTC) |
| 12,500 ft | 310° at 16 kt | +6 kt | 2 °C | 114 kt | 6 h 14 min | 8:25 am EDT (12:25 UTC) |
| 14,500 ft | 310° at 18 kt | +8 kt | -2 °C | 112 kt | 6 h 21 min | 8:32 am EDT (12:32 UTC) |
| 16,500 ft | 300° at 20 kt | +10 kt | -7 °C | 110 kt | 6 h 28 min | 8:39 am EDT (12:39 UTC) |
| 18,000 ft FL180 | 300° at 22 kt | +12 kt | -10 °C | 108 kt | 6 h 35 min | 8:46 am EDT (12:46 UTC) |
| 24,000 ft FL240 | 300° at 25 kt | +15 kt | -21 °C | 105 kt | 6 h 46 min | 8:57 am EDT (12:57 UTC) |
| 30,000 ft FL300 | 290° at 33 kt | +22 kt | -35 °C | 98 kt | 7 h 15 min | 9:26 am EDT (13:26 UTC) |
| 34,000 ft FL340 | 280° at 43 kt | +34 kt | -41 °C | 86 kt | 8 h 16 min | 10:27 am EDT (14:27 UTC) |
| 39,000 ft FL390 | 270° at 39 kt | +34 kt | -49 °C | 86 kt | 8 h 16 min | 10:27 am EDT (14:27 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| BOS | used from 0 nm out; 50 nm from the line | 110/20 | 200/26 12° | 280/24 8° | 260/29 3° | 250/47 -10° | 230/59 -19° | 230/74 -33° | 240/95 -41° | 240/96 -53° |
| ALB | used from 49 nm out; 37 nm from the line | 120/9 | 270/8 10° | L/V 5° | 260/9 1° | 260/34 -10° | 250/42 -22° | 240/57 -35° | 240/70 -42° | 240/65 -50° |
| AVP | used from 148 nm out; 46 nm from the line | 150/5 | 350/13 12° | 270/20 8° | 260/17 4° | 260/25 -11° | 240/31 -22° | 240/54 -35° | 230/61 -41° | 240/55 -49° |
| PSB | used from 247 nm out; 50 nm from the line | 360/13 13° | 330/14 7° | 300/11 3° | 290/12 -11° | 240/23 -23° | 270/25 -36° | 250/34 -40° | 250/45 -48° | |
| AGC | used from 346 nm out; 41 nm from the line | 350/14 | 330/20 11° | 340/18 8° | 330/17 3° | 340/22 -11° | 340/31 -22° | 330/33 -36° | 300/34 -41° | 300/35 -47° |
| CMH | used from 494 nm out; 44 nm from the line | 330/15 | 340/22 14° | 340/24 9° | 340/23 4° | 340/35 -9° | 340/49 -20° | 340/58 -37° | 330/70 -42° | 340/55 -47° |
| CVG | used from 592 nm out; 34 nm from the line | 320/18 | 350/32 16° | 350/35 10° | 350/30 3° | 330/30 -7° | 340/44 -20° | 340/58 -35° | 330/72 -41° | 320/36 -49° |
| LOU | used from 691 nm out; 5 nm from the line | 310/18 | 340/28 16° | 340/29 10° | 350/27 3° | 330/27 -7° | 340/39 -19° | 330/58 -33° | 330/67 -41° | 330/40 -49° |
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 |
|---|---|---|---|---|---|---|---|
| MHT Manchester, NH | departure | marginal VFR Sky: scattered clouds at 400 feet, overcast at 1,200 feet Weather: light rain, mist | from the north (360°) at 4 knots | 5 mi | 1,200 ft | 266 ft | 1:53 am EDT (05:53 UTC) |
| AFN Jaffrey, NH | 30 nm out, 4 nm northeast of the line | low IFR Sky: overcast at 300 feet Weather: light rain | variable at 3 knots | 7 mi | 300 ft | 1,039 ft | 05:52 UTC |
| ALB Albany, NY | 99 nm out, 25 nm northwest of the line, tower | IFR Sky: a broken layer at 600 feet, overcast at 1,100 feet Weather: light drizzle, mist | from the north (350°) at 5 knots | 5 mi | 600 ft | 284 ft | 05:51 UTC |
| AVP Wilkes-Barre/Scranton, PA | 207 nm out, 24 nm south of the line, tower | marginal VFR Sky: overcast at 1,400 feet | calm | 10+ mi | 1,400 ft | 961 ft | 05:54 UTC |
| IPT Williamsport, PA | 267 nm out, 9 nm southeast of the line, tower | marginal VFR Sky: overcast at 1,800 feet | calm | 10+ mi | 1,800 ft | 528 ft | 05:54 UTC |
| UNV State College, PA | 316 nm out, 14 nm southeast of the line, tower | low IFR Sky: overcast at 300 feet Weather: mist | from the north (010°) at 6 knots | 2 mi | 300 ft | 1,231 ft | 05:55 UTC |
| AGC Pittsburgh, PA | 415 nm out, 5 nm east of the line, tower | low IFR Sky: overcast at 400 feet Weather: mist | from the northwest (320°) at 5 knots | 6 mi | 400 ft | 1,251 ft | 06:07 UTC |
| HLG Wheeling, WV | 444 nm out, 2 nm northwest of the line, tower | low IFR Sky: overcast at 400 feet | from the northwest (310°) at 5 knots | 10+ mi | 400 ft | 1,194 ft | 05:53 UTC |
| EOP Waverly, OH | 563 nm out, 8 nm south of the line | marginal VFR Sky: overcast at 1,300 feet | calm | 10+ mi | 1,300 ft | 661 ft | 05:55 UTC |
| LUK Cincinnati, OH | 632 nm out, 21 nm north of the line, tower | IFR Sky: scattered clouds at 2,400 feet Weather: mist | calm | 1.5 mi | none | 481 ft | 06:03 UTC |
| CVG Covington, KY | 642 nm out, 23 nm northwest of the line, tower | VFR | from the west (260°) at 4 knots | 7 mi | none | 896 ft | 05:52 UTC |
| SDF Louisville, KY | destination | VFR Weather: mist | from the east-southeast (120°) at 3 knots | 6 mi | none | 500 ft | 1:56 am EDT (05:56 UTC) |
The highest airport on this list sits at 1,251 ft; the ground between airports is higher still. Check the sectional chart for the terrain and the minimum safe heights along the line.
At SDF when you get there the forecast at the estimated arrival, 8:04 am EDT (12:04 UTC)
Wind from the south at 3 knots, visibility more than 6 miles, clear skies VFR
At times between Mon 5:00 am EDT (09:00 UTC) and 9:00 am EDT (13:00 UTC): visibility ½ mile, fog, clear skies low IFR
The whole forecast for SDF
- From Mon 2:00 am EDT (06:00 UTC): wind from the south at 3 knots, visibility more than 6 miles, clear skies
- At times between Mon 5:00 am EDT (09:00 UTC) and 9:00 am EDT (13:00 UTC): visibility ½ mile, fog, clear skies
- From Mon 10:00 am EDT (14:00 UTC): wind from the south-southwest at 6 knots, visibility more than 6 miles, scattered clouds at 25,000 feet
- From Mon 8:00 pm EDT (00:00 UTC): wind from the south at 3 knots, visibility more than 6 miles, clear skies
The forecast for MHT, the departure
- From Mon 2:00 am EDT (06:00 UTC): wind from the north at 5 knots, visibility 4 miles, light rain, mist, scattered clouds at 400 feet, overcast at 1,000 feet
- From Mon 11:00 am EDT (15:00 UTC): wind from the northwest at 6 knots, visibility more than 6 miles, a broken layer at 5,000 feet
- From Tue 1:00 am EDT (05:00 UTC): wind light and variable, visibility 3 miles, mist, overcast at 1,500 feet
Temporary flight restrictions on the line or within 25 nm of it
- 6/8829 Youngstown, OH, Monday, October 12, 2026 through Monday, October 12, 2026 Local 24 nm from the route, 425 nm along the route · a VIP movement · today · ZOB
- 6/8587 Youngstown, OH, Monday, October 12, 2026 through Monday, October 12, 2026 Local 24 nm from the route, 425 nm along the route · a VIP movement · today · ZOB
- 6/8029 Cincinnati, OH, Friday, October 9, 2026 through Monday, October 12, 2026 Local 18 nm from the route, 642 nm along the route · a VIP movement · until 12 October · ZID
Daylight
Sunset at MHT 6:08 pm EDT (22:08 UTC), at SDF 7:09 pm EDT (23:09 UTC) (civil twilight ends 7:36 pm EDT (23:36 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: Manchester Boston Regional, Louisville Muhammad Ali International.