Plan a flight · Sun 9:36 pm CDT (02:36 UTC)

Okc Will Rogers International to Blue Grass Airport OKC → LEX

645 nautical miles (742 statute miles) east on a straight line, true course 072°, about 068° magnetic at the departure end (variation 4E). At 120 knots that is 4 h 06 min at the quickest height in today's winds (34,000 ft, a 37-knot tailwind), arriving about 2:42 am EDT (06:42 UTC), after sunset at the destination. Right now OKC is VFR, wind from the south (170°) at 12 knots; LEX is marginal VFR, wind from the west (270°) at 4 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: 11 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). 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 OKC.

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

B737 at 31,000 ft, 6 nm southeast, 7:13 pm CDT (00:13 UTC): light chop turbulence, remarks: ZME25. 436 nm along the route, 6 nm southeast of the line.
as filed, and in English
```
PAH UA /OV CNG360015/TM 0013/FL310/TP B737/TB OCNL LGT CHOP/RM ZME25
```
Report
a routine report filed through PAH
Where
15 nm north (360°) of CNG
Time
00:13 UTC
Height
at 31,000 ft
Aircraft
B737
Turbulence
occasional light chop
Remarks
ZME25
B739 at 34,000 ft, 46 nm south, 8:51 pm CDT (01:51 UTC): light to moderate chop turbulence, remarks: zme. 535 nm along the route, 46 nm south of the line.
as filed, and in English
```
BWG UA /OV BWG270010/TM 0151/FL340/TP B739/TB CONS LGT OCNL MOD CHOP/RM ZME
```
Report
a routine report filed through BWG
Where
10 nm west (270°) of BWG
Time
01:51 UTC
Height
at 34,000 ft
Aircraft
B739
Turbulence
continuous light occasional moderate chop
Remarks
zme
B38M at 21,000 ft, 13 nm northwest, 8:09 pm CDT (01:09 UTC): no turbulence, no icing. 605 nm along the route, 13 nm northwest of the line.
as filed, and in English
```
SDF UA /OV IIU/TM 0109/FL210/TP B38M/TB NEG/IC NEG
```
Report
a routine report filed through SDF
Where
over IIU
Time
01:09 UTC
Height
at 21,000 ft
Aircraft
B38M
Turbulence
none
Icing
none
B712 at 600 ft, 0 nm south, 8:06 pm CDT (01:06 UTC): overcast. At the destination end, 0 nm south of the line.
as filed, and in English
```
LEX UA /OV KLEX/TM 0106/FL006/TP B712/SK OVC B006
```
Report
a routine report filed through LEX
Where
over KLEX
Time
01:06 UTC
Height
at 600 ft
Aircraft
B712
Sky
overcast B006
CRJ9 descending, 0 nm south, 6:43 pm CDT (23:43 UTC): overcast up to 6,200 ft; overcast above 1,800 ft. At the destination end, 0 nm south of the line.
as filed, and in English
```
LEX UA /OV LEX/TM 2343/FLDURD/TP CRJ9/SK TOPS OVC062 BASES OVC018
```
Report
a routine report filed through LEX
Where
over LEX
Time
23:43 UTC
Height
during the descent
Aircraft
CRJ9
Sky
tops OVC062 bases OVC018

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 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 7 forecast points nearest it (OKC, TUL, FSM, SGF, CGI, EVV, 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
3,500 ft	240° at 21 kt	−20 kt		140 kt	4 h 36 min	3:12 am EDT (07:12 UTC)
5,500 ft	260° at 18 kt	−18 kt		138 kt	4 h 40 min	3:16 am EDT (07:16 UTC)
7,500 ft	270° at 16 kt	−16 kt	14 °C	136 kt	4 h 45 min	3:21 am EDT (07:21 UTC)
9,500 ft	290° at 14 kt	−13 kt	11 °C	133 kt	4 h 51 min	3:27 am EDT (07:27 UTC)
11,500 ft	290° at 12 kt	−10 kt	7 °C	130 kt	4 h 58 min	3:34 am EDT (07:34 UTC)
13,500 ft	290° at 13 kt	−11 kt	3 °C	131 kt	4 h 55 min	3:31 am EDT (07:31 UTC)
15,500 ft	280° at 15 kt	−14 kt	-1 °C	134 kt	4 h 49 min	3:25 am EDT (07:25 UTC)
17,500 ft	280° at 17 kt	−16 kt	-5 °C	136 kt	4 h 45 min	3:21 am EDT (07:21 UTC)
18,000 ft FL180	280° at 18 kt	−16 kt	-6 °C	136 kt	4 h 45 min	3:21 am EDT (07:21 UTC)
24,000 ft FL240	280° at 23 kt	−20 kt	-17 °C	140 kt	4 h 36 min	3:12 am EDT (07:12 UTC)
30,000 ft FL300	300° at 39 kt	−30 kt	-31 °C	150 kt	4 h 18 min	2:54 am EDT (06:54 UTC)
34,000 ft FL340	300° at 48 kt	−37 kt	-40 °C	157 kt	4 h 06 min	2:42 am EDT (06:42 UTC)
39,000 ft FL390	300° at 44 kt	−30 kt	-50 °C	150 kt	4 h 18 min	2:54 am EDT (06:54 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
OKC	used from 0 nm out; 25 nm from the line	200/44	230/32 18°	240/13 15°	240/10 9°	240/20 -5°	250/27 -16°	260/47 -28°	270/48 -39°	270/45 -50°
TUL	used from 50 nm out; 29 nm from the line	210/37	240/29 17°	260/15 14°	260/11 7°	240/22 -6°	250/29 -16°	270/45 -29°	270/47 -40°	280/44 -50°
FSM	used from 149 nm out; 55 nm from the line	210/27	250/23 16°	250/20 13°	240/17 8°	250/18 -6°	260/31 -16°	280/42 -30°	280/44 -40°	290/38 -51°
SGF	used from 198 nm out; 48 nm from the line	230/33	230/28 15°	250/20 13°	240/18 7°	250/20 -6°	250/24 -17°	280/42 -31°	280/49 -40°	290/46 -51°
CGI	used from 297 nm out; 81 nm from the line	240/20	270/15 15°	280/15 11°	300/13 6°	290/20 -6°	280/24 -18°	300/34 -32°	300/47 -41°	310/49 -51°
EVV	used from 446 nm out; 47 nm from the line	280/15	290/12 17°	310/16 10°	320/13 5°	310/22 -6°	320/26 -18°	320/38 -33°	310/56 -41°	320/55 -51°
LOU	used from 545 nm out; 34 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
OKC Oklahoma City, OK	departure	VFR	from the south (170°) at 12 knots	10+ mi	none	1,295 ft	8:52 pm CDT (01:52 UTC)
CQB Chandler, OK	40 nm out, 8 nm north of the line	VFR	from the south-southeast (150°) at 5 knots	10+ mi	none	985 ft	02:10 UTC
RVS Tulsa, OK	89 nm out, 13 nm northwest of the line, tower	VFR	from the south (190°) at 6 knots	10+ mi	none	638 ft	01:53 UTC
XNA Fayetteville/Springdale/Rogers, AR	169 nm out, 4 nm north of the line, tower	VFR	from the south (190°) at 4 knots	10+ mi	none	1,288 ft	01:53 UTC
BBG Branson, MO	228 nm out, 5 nm northwest of the line, tower	VFR	from the south-southeast (160°) at 4 knots	10+ mi	none	1,302 ft	02:15 UTC
UNO West Plains, MO	288 nm out, 8 nm north of the line	VFR	from the south-southwest (210°) at 4 knots	10+ mi	none	1,228 ft	01:53 UTC
PYN Piedmont, MO	347 nm out, 8 nm north of the line	no report just now				466 ft
CGI Cape Girardeau, MO	407 nm out, 3 nm west of the line, tower	VFR	from the west-southwest (240°) at 6 knots	10+ mi	none	341 ft	20:53 UTC
TWT Sturgis, KY	486 nm out, 3 nm northwest of the line	VFR	calm	10+ mi	none	372 ft	02:15 UTC
OWB Owensboro, KY	526 nm out, 7 nm northwest of the line, tower	VFR	calm	10+ mi	none	407 ft	01:56 UTC
SDF Louisville, KY	595 nm out, 18 nm north of the line, tower	VFR	from the south-southwest (200°) at 4 knots	10+ mi	none	500 ft	01:56 UTC
LEX Lexington, KY	destination	marginal VFR Sky: a few clouds at 800 feet, overcast at 1,800 feet Weather: mist	from the west (270°) at 4 knots	5 mi	1,800 ft	979 ft	9:54 pm EDT (01:54 UTC)

The highest airport on this list sits at 1,302 ft; the ground between airports is higher still. Check the sectional chart for the terrain and the minimum safe heights along the line.

At LEX when you get there the forecast at the estimated arrival, 2:42 am EDT (06:42 UTC)

Wind from the west at 4 knots, visibility 6 miles, mist, scattered clouds at 1,500 feet VFR

The whole forecast for LEX

From Sun 8:00 pm EDT (00:00 UTC): wind from the west-northwest at 6 knots, visibility more than 6 miles, overcast at 1,500 feet
From Mon 12:00 am EDT (04:00 UTC): wind from the west at 4 knots, visibility 6 miles, mist, scattered clouds at 1,500 feet
From Mon 4:00 am EDT (08:00 UTC): wind from the south-southwest at 3 knots, visibility 2 miles, mist, clear skies
At times between Mon 5:00 am EDT (09:00 UTC) and 9:00 am EDT (13:00 UTC): visibility ¼ mile, fog, overcast at 100 feet
From Mon 9:00 am EDT (13:00 UTC): wind from the south-southwest at 6 knots, visibility more than 6 miles, clear skies

The forecast for OKC, the departure

From Sun 7:00 pm CDT (00:00 UTC): wind from the south at 13 knots, gusting to 21, visibility more than 6 miles, a few clouds at 6,000 feet, a few clouds at 25,000 feet
From Mon 1:00 am CDT (06:00 UTC): wind from the south at 12 knots, visibility more than 6 miles, low-level wind shear, clear skies
From Mon 10:00 am CDT (15:00 UTC): wind from the south-southwest at 17 knots, gusting to 27, visibility more than 6 miles, a few clouds at 25,000 feet

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 OKC 6:59 pm CDT (23:59 UTC), at LEX 7:05 pm EDT (23:05 UTC) (civil twilight ends 7:31 pm EDT (23:31 UTC)). At 120 knots the arrival at LEX is before sunrise there (7:43 am EDT (11:43 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 southern Plains · loop National Weather Service

Radar now, the lower Mississippi valley · loop National Weather Service

Radar now, the upper Mississippi valley · 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: Okc Will Rogers International, Blue Grass Airport.