Plan a flight · Mon 5:02 am CDT (10:02 UTC)

Huntsville Intl-Carl T Jones Field to John Glenn Columbus International HSV → CMH

371 nautical miles (427 statute miles) northeast on a straight line, true course 029°, about 033° magnetic at the departure end (variation 4W). At 120 knots that is 3 h at the quickest height in today's winds (24,000 ft, a 4-knot tailwind), arriving about 9:02 am EDT (13:02 UTC). Right now HSV is VFR, wind calm; CMH is marginal VFR, wind from the west-northwest (290°) at 6 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 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, fog). Over the whole route.
AIRMET SIERRA 4E: mountains obscured by cloud (due to mountains obscured by clouds, mist). Near the route, 147 nm along 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 HSV.

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

CRJ7 at 5,000 ft, 10 nm northwest, 4:37 am CDT (09:37 UTC): scattered clouds above 10,000 ft, remarks: during the climb. 235 nm along the route, 10 nm northwest of the line.
as filed, and in English
```
LEX UA /OV HYK330010/TM 0937/FL050/TP CRJ7/SK SCT001/RM DURC
```
Report
a routine report filed through LEX
Where
10 nm northwest (330°) of HYK
Time
09:37 UTC
Height
at 5,000 ft
Aircraft
CRJ7
Sky
scattered clouds from 100 ft
Remarks
during the climb
B763 at 100 ft, 43 nm northwest, 4:05 am CDT (09:05 UTC): sky obscured, remarks: during the climb. 274 nm along the route, 43 nm northwest of the line.
as filed, and in English
```
CVG UA /OV CVG270001/TM 0905/FL001/TP B763/SK VV001/RM DURC
```
Report
a routine report filed through CVG
Where
1 nm west (270°) of CVG
Time
09:05 UTC
Height
at 100 ft
Aircraft
B763
Sky
sky obscured from 100 ft
Remarks
during the climb
B763 at 200 ft, 43 nm northwest, 3:05 am CDT (08:05 UTC): sky obscured, remarks: during the climb. 274 nm along the route, 43 nm northwest of the line.
as filed, and in English
```
CVG UA /OV CVG270001/TM 0805/FL002/TP B763/SK VV002/RM DURC
```
Report
a routine report filed through CVG
Where
1 nm west (270°) of CVG
Time
08:05 UTC
Height
at 200 ft
Aircraft
B763
Sky
sky obscured from 200 ft
Remarks
during the climb
B752 climbing, 46 nm northwest, 2:37 am CDT (07:37 UTC): overcast. 274 nm along the route, 46 nm northwest of the line.
as filed, and in English
```
CVG UA /OV 5 W CVG/TM 0737/FLDURC/TP B752/SK B001 OVC T015
```
Report
a routine report filed through CVG
Where
5 west cvg
Time
07:37 UTC
Height
during the climb
Aircraft
B752
Sky
B001 overcast T015
B737 at 39,000 ft, 17 nm northeast, 3:40 am CDT (08:40 UTC): light chop turbulence. At the destination end, 17 nm northeast of the line.
as filed, and in English
```
CMH UA /OV APE/TM 0840/FL390/TP B737/TB CONS LGT CHOP 390 NEG 350-330
```
Report
a routine report filed through CMH
Where
over APE
Time
08:40 UTC
Height
at 39,000 ft
Aircraft
B737
Turbulence
continuous light chop at 39,000 ft no from 35,000 ft to 33,000 ft

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 5 forecast points nearest it (HSV, BNA, LOU, CVG, CMH). 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	310° at 17 kt	+2 kt		118 kt	3 h 09 min	9:11 am EDT (13:11 UTC)
5,500 ft	310° at 18 kt	+5 kt		115 kt	3 h 14 min	9:16 am EDT (13:16 UTC)
7,500 ft	320° at 18 kt	+5 kt	12 °C	115 kt	3 h 14 min	9:16 am EDT (13:16 UTC)
9,500 ft	320° at 17 kt	+5 kt	8 °C	115 kt	3 h 14 min	9:16 am EDT (13:16 UTC)
11,500 ft	310° at 17 kt	+3 kt	5 °C	117 kt	3 h 10 min	9:12 am EDT (13:12 UTC)
13,500 ft	310° at 19 kt	+3 kt	1 °C	117 kt	3 h 10 min	9:12 am EDT (13:12 UTC)
15,500 ft	310° at 21 kt	+4 kt	-2 °C	116 kt	3 h 12 min	9:14 am EDT (13:14 UTC)
17,500 ft	310° at 24 kt	+4 kt	-5 °C	116 kt	3 h 12 min	9:14 am EDT (13:14 UTC)
18,000 ft FL180	310° at 25 kt	+4 kt	-6 °C	116 kt	3 h 12 min	9:14 am EDT (13:14 UTC)
24,000 ft FL240	290° at 28 kt	−4 kt	-19 °C	124 kt	3 h	9:02 am EDT (13:02 UTC)
30,000 ft FL300	310° at 34 kt	+7 kt	-34 °C	113 kt	3 h 17 min	9:19 am EDT (13:19 UTC)
34,000 ft FL340	310° at 51 kt	+12 kt	-42 °C	108 kt	3 h 26 min	9:28 am EDT (13:28 UTC)
39,000 ft FL390	320° at 53 kt	+15 kt	-51 °C	105 kt	3 h 32 min	9:34 am EDT (13:34 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
HSV	used from 0 nm out; 24 nm from the line	300/20	310/14 16°	310/18 10°	310/15 4°	320/19 -5°	290/16 -18°	320/36 -32°	320/47 -41°	330/42 -50°
BNA	used from 49 nm out; 40 nm from the line	300/20	300/14 15°	300/14 10°	300/13 4°	310/22 -5°	280/24 -18°	310/37 -33°	310/50 -41°	320/49 -51°
LOU	used from 147 nm out; 73 nm from the line	300/16	310/19 15°	310/17 9°	300/15 4°	300/26 -6°	280/34 -19°	290/30 -34°	310/49 -42°	310/58 -51°
CVG	used from 244 nm out; 44 nm from the line	300/19	310/23 15°	320/20 9°	310/18 3°	300/26 -6°	290/36 -19°	310/32 -34°	310/53 -43°	310/61 -51°
CMH	used from 293 nm out; 54 nm from the line	320/12	340/26 15°	340/22 9°	320/24 3°	320/32 -7°	320/36 -20°	330/42 -35°	320/59 -44°	320/57 -50°

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
HSV Huntsville, AL	departure	VFR	calm	10+ mi	none	628 ft	4:53 am CDT (09:53 UTC)
MDQ Huntsville, AL	20 nm out, 4 nm south of the line	VFR	calm	7 mi	none	763 ft	09:55 UTC
THA Tullahoma, TN	49 nm out, 3 nm northeast of the line	marginal VFR Sky: a few clouds at 200 feet, a few clouds at 3,500 feet Weather: mist	calm	5 mi	none	1,084 ft	09:35 UTC
SRB Sparta, TN	107 nm out, 12 nm southeast of the line	low IFR Sky: overcast at 200 feet Weather: fog	calm	0.25 mi	200 ft	1,025 ft	09:35 UTC
TZV Tompkinsville, KY	137 nm out, 13 nm northwest of the line	no report just now				1,036 ft
DVK Danville, KY	205 nm out, 4 nm southwest of the line	low IFR Sky: overcast at 100 feet Weather: mist	from the south-southwest (200°) at 3 knots	1.25 mi	100 ft	1,021 ft	09:55 UTC
LEX Lexington, KY	225 nm out, 10 nm northwest of the line, tower	low IFR Sky: sky obscured at 200 feet Weather: fog	from the south-southwest (200°) at 4 knots	0.25 mi	200 ft	979 ft	09:51 UTC
FGX Flemingsburg, KY	274 nm out, 11 nm east of the line	low IFR Sky: overcast at 200 feet Weather: fog	from the west (280°) at 6 knots	0.25 mi	200 ft	913 ft	09:55 UTC
ILN Wilmington, OH	322 nm out, 18 nm northwest of the line, tower	low IFR Sky: overcast at 400 feet Weather: mist	from the west-northwest (290°) at 5 knots	5 mi	400 ft	1,076 ft	09:54 UTC
RZT Chillicothe, OH	342 nm out, 12 nm southeast of the line	marginal VFR Sky: overcast at 1,300 feet	from the west-northwest (290°) at 4 knots	10+ mi	1,300 ft	725 ft	09:55 UTC
CMH Columbus, OH	destination	marginal VFR Sky: overcast at 1,300 feet	from the west-northwest (290°) at 6 knots	9 mi	1,300 ft	815 ft	5:51 am EDT (09:51 UTC)

The highest airport on this list sits at 1,084 ft; the ground between airports is higher still. Check the sectional chart for the terrain and the minimum safe heights along the line.

At CMH when you get there the forecast at the estimated arrival, 9:02 am EDT (13:02 UTC)

Wind from the west at 4 knots, visibility 4 miles, mist, overcast at 800 feet IFR

The whole forecast for CMH

From Mon 2:00 am EDT (06:00 UTC): wind from the west-northwest at 6 knots, visibility more than 6 miles, overcast at 1,200 feet
From Mon 4:00 am EDT (08:00 UTC): wind from the west at 4 knots, visibility 4 miles, mist, overcast at 800 feet
At times between Mon 6:00 am EDT (10:00 UTC) and 9:00 am EDT (13:00 UTC): visibility 2 miles, mist, scattered clouds at 800 feet
From Mon 10:00 am EDT (14:00 UTC): wind from the southwest at 9 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 5 knots, visibility more than 6 miles, a few clouds at 10,000 feet, scattered clouds at 25,000 feet

The forecast for HSV, the departure

From Mon 1:00 am CDT (06:00 UTC): wind light and variable, visibility 6 miles, mist, clear skies
At times between Mon 3:00 am CDT (08:00 UTC) and 7:00 am CDT (12:00 UTC): visibility 2 miles, mist, clear skies
From Mon 10:00 am CDT (15:00 UTC): wind from the west at 5 knots, visibility more than 6 miles, clear skies

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

No temporary flight restriction on or near this route right now.

Daylight

Sunset at HSV 6:16 pm CDT (23:16 UTC), at CMH 6:56 pm EDT (22:56 UTC) (civil twilight ends 7:24 pm EDT (23:24 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 lower Mississippi valley · loop National Weather Service

Radar now, the central Great Lakes · loop National Weather Service

Radar, the whole country · loop National Weather Service

Surface analysis now Weather Prediction Center

Forecast chart, 12 hours ahead Weather Prediction Center

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: Huntsville Intl-Carl T Jones Field, John Glenn Columbus International.