Plan a flight · Mon 8:07 am CDT (13:07 UTC)

University Of Illinois/Willard Airport to Cyril E King Airport CMI → STT

1,775 nautical miles (2,042 statute miles) southeast on a straight line, true course 130°, about 133° magnetic at the departure end (variation 3W). At 120 knots that is 12 h 04 min at the quickest height in today's winds (34,000 ft, a 27-knot tailwind), arriving about 9:11 pm AST (01:11 UTC), after sunset at the destination. Right now CMI is VFR, wind from the southwest (230°) at 7 knots; STT is VFR, wind from the east (100°) at 9 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). Over the route from 90 to 379 nm out.
AIRMET SIERRA 4E: mountains obscured by cloud (due to mountains obscured by clouds, mist). Over the route from 259 to 389 nm out.
AIRMET TANGO 5W: moderate turbulence above 18,000 ft (due to mountain wave) from 29,000 ft to 40,000 ft. Over the route from 359 to 429 nm out.
AIRMET TANGO 3W: moderate turbulence below 18,000 ft (due to mountain wave) up to 6,000 ft. Over the route from 359 to 419 nm out.
AIRMET TANGO 3W: low-level wind shear (due to air speed loss or gain of 20 knots or more below 2,000 ft above the ground). Over the route from 399 to 449 nm out.
AIRMET TANGO 2W: moderate turbulence above 18,000 ft from 30,000 ft to 41,000 ft. Over the route from 499 to 688 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 CMI.

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

B763 at 26,000 ft, 39 nm southwest, 6:57 am CDT (11:57 UTC): no turbulence, no icing. 100 nm along the route, 39 nm southwest of the line.
as filed, and in English
```
EVV UA /OV OWB360045/TM 1157/FL260/TP B763/TB NEG/IC NEG
```
Report
a routine report filed through EVV
Where
45 nm north (360°) of OWB
Time
11:57 UTC
Height
at 26,000 ft
Aircraft
B763
Turbulence
none
Icing
none
C525 at 41,000 ft, 35 nm southwest, 7:53 am CDT (12:53 UTC): no turbulence, -7 °C, wind 328° at 31 knots, remarks: smooth ride during the descent F410-F195. 120 nm along the route, 35 nm southwest of the line.
as filed, and in English
```
HNB UA /OV IIU280060 /TM 1253 /FL410 /TP C525 /TA M07 /WV 32831KT /TB NEG /RM SMOOTH RIDE DURD F410-F195
```
Report
a routine report filed through HNB
Where
60 nm west (280°) of IIU
Time
12:53 UTC
Height
at 41,000 ft
Aircraft
C525
Temperature
−7 °C
Wind
from 328° at 31 knots
Turbulence
none
Remarks
smooth ride during the descent F410-F195
AC90 at 28,000 ft, 22 nm northeast, 7:17 am CDT (12:17 UTC): light chop turbulence, no icing. 160 nm along the route, 22 nm northeast of the line.
as filed, and in English
```
SDF UA /OV IIU010030/TM 1217/FL280/TP AC90/TB OCNL LGT CHOP/IC NEG
```
Report
a routine report filed through SDF
Where
30 nm north (010°) of IIU
Time
12:17 UTC
Height
at 28,000 ft
Aircraft
AC90
Turbulence
occasional light chop
Icing
none
E55P climbing, 22 nm northeast, 7:22 am CDT (12:22 UTC): a routine report with nothing remarked on. 209 nm along the route, 22 nm northeast of the line.
as filed, and in English
```
LEX UA /OV LEX270002/TM 1222/FLDURC/TP E55P/SK VV002 TOPS 018
```
Report
a routine report filed through LEX
Where
2 nm west (270°) of LEX
Time
12:22 UTC
Height
during the climb
Aircraft
E55P
Sky
sky obscured from 200 ft, tops 1,800 ft
E170 at 100 ft, 24 nm northeast, 5:11 am CDT (10:11 UTC): remarks: in the clouds on rotation. 209 nm along the route, 24 nm northeast of the line.
as filed, and in English
```
LEX UA /OV LEX/TM 1011/FL001/TP E170/SK VV001-TOP013/RM IN THE CLOUDS ON ROTATION
```
Report
a routine report filed through LEX
Where
over LEX
Time
10:11 UTC
Height
at 100 ft
Aircraft
E170
Sky
sky obscured from 100 ft, tops 1,300 ft
Remarks
in the clouds on rotation
E170 at 1,100 ft, 24 nm northeast, 5:11 am CDT (10:11 UTC): overcast from 1,100 ft to 1,300 ft, remarks: cig VV001/IN clouds on rotation cor. 209 nm along the route, 24 nm northeast of the line.
as filed, and in English
```
LEX UA /OV LEX /TM 1011 /FL011 /TP E170 /SK OVC011-TOP013 /RM CIG VV001/IN CLOUDS ON ROTATION -COR
```
Report
a routine report filed through LEX
Where
over LEX
Time
10:11 UTC
Height
at 1,100 ft
Aircraft
E170
Sky
overcast from 1,100 ft, tops 1,300 ft
Remarks
cig VV001/IN clouds on rotation cor
C25B at 11,000 ft, 2 nm south, 6:23 am CDT (11:23 UTC): no turbulence. 219 nm along the route, 2 nm south of the line.
as filed, and in English
```
LOZ UA /OV DVK/TM 1123/FL110/TP C25B/TB NEG
```
Report
a routine report filed through LOZ
Where
over DVK
Time
11:23 UTC
Height
at 11,000 ft
Aircraft
C25B
Turbulence
none
E55P at 14,000 ft, 20 nm southwest, 7:13 am CDT (12:13 UTC): a routine report with nothing remarked on. 249 nm along the route, 20 nm southwest of the line.
as filed, and in English
```
LOZ UA /OV SME/TM 1213/FL140/TP E55P/SK TOP 010
```
Report
a routine report filed through LOZ
Where
over SME
Time
12:13 UTC
Height
at 14,000 ft
Aircraft
E55P
Sky
top 1,000 ft
CRJ9 at 6,000 ft, 22 nm northeast, 5:10 am CDT (10:10 UTC): a broken layer from 4,600 ft to 5,800 ft. 349 nm along the route, 22 nm northeast of the line.
as filed, and in English
```
TRI UA /OV BOOIE/TM 1010/FL060/TP CRJ9/SK BKN046-TOP058
```
Report
a routine report filed through TRI
Where
booie
Time
10:10 UTC
Height
at 6,000 ft
Aircraft
CRJ9
Sky
a broken layer from 4,600 ft, tops 5,800 ft
BE36 at 5,600 ft, 20 nm southwest, 7:58 am CDT (12:58 UTC): a routine report with nothing remarked on. 379 nm along the route, 20 nm southwest of the line.
as filed, and in English
```
AVL UA /OV AVL347005/TM 1258/FL056/TP BE36/SK TOPS-056
```
Report
a routine report filed through AVL
Where
5 nm north (347°) of AVL
Time
12:58 UTC
Height
at 5,600 ft
Aircraft
BE36
Sky
TOPS-056
CRJ2 at 3,800 ft, 20 nm southwest, 7:16 am CDT (12:16 UTC): a broken layer from 3,800 ft to 4,700 ft. 379 nm along the route, 20 nm southwest of the line.
as filed, and in English
```
AVL UA /OV AVL347005/TM 1216/FL038/TP CRJ2/SK BKN038-TOPS047
```
Report
a routine report filed through AVL
Where
5 nm north (347°) of AVL
Time
12:16 UTC
Height
at 3,800 ft
Aircraft
CRJ2
Sky
a broken layer from 3,800 ft, tops 4,700 ft
CRJ9 at 3,800 ft, 22 nm southwest, 7:28 am CDT (12:28 UTC): a broken layer above 3,800 ft. 389 nm along the route, 22 nm southwest of the line.
as filed, and in English
```
AVL UA /OV AVL137005/TM 1228/FL038/TP CRJ9/SK BKN038
```
Report
a routine report filed through AVL
Where
5 nm southeast (137°) of AVL
Time
12:28 UTC
Height
at 3,800 ft
Aircraft
CRJ9
Sky
a broken layer from 3,800 ft
C25B at 40,000 ft, 21 nm southwest, 7:19 am CDT (12:19 UTC): light turbulence, remarks: ztlfd 15. 389 nm along the route, 21 nm southwest of the line.
as filed, and in English
```
ATL UA /OV SUG270010/TM 1219/FL400/TP C25B/TB LGT MOD/RM ZTLFD 15
```
Report
a routine report filed through ATL
Where
10 nm west (270°) of SUG
Time
12:19 UTC
Height
at 40,000 ft
Aircraft
C25B
Turbulence
light moderate
Remarks
ztlfd 15
A320 at 34,000 ft, 14 nm southwest, 6:17 am CDT (11:17 UTC): light turbulence, remarks: ztlfd 50. 399 nm along the route, 14 nm southwest of the line.
as filed, and in English
```
ATL UA /OV SUG/TM 1117/FL340/TP A320/TB LGT/RM ZTLFD 50
```
Report
a routine report filed through ATL
Where
over SUG
Time
11:17 UTC
Height
at 34,000 ft
Aircraft
A320
Turbulence
light
Remarks
ztlfd 50

4 more routine reports are on the map.

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 (IND, LOU, TYS, TRI, GSP, CAE, FLO, CHS, ILM, MLB, MIA). 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 8 kt	−8 kt		128 kt	13 h 52 min	10:59 pm AST (02:59 UTC)
5,500 ft	310° at 10 kt	−10 kt	11 °C	130 kt	13 h 39 min	10:46 pm AST (02:46 UTC)
7,500 ft	320° at 11 kt	−10 kt	13 °C	130 kt	13 h 39 min	10:46 pm AST (02:46 UTC)
9,500 ft	320° at 12 kt	−11 kt	10 °C	131 kt	13 h 33 min	10:40 pm AST (02:40 UTC)
11,500 ft	310° at 12 kt	−12 kt	7 °C	132 kt	13 h 27 min	10:34 pm AST (02:34 UTC)
13,500 ft	310° at 14 kt	−14 kt	3 °C	134 kt	13 h 15 min	10:22 pm AST (02:22 UTC)
15,500 ft	300° at 16 kt	−15 kt	-1 °C	135 kt	13 h 09 min	10:16 pm AST (02:16 UTC)
17,500 ft	300° at 17 kt	−17 kt	-5 °C	137 kt	12 h 57 min	10:04 pm AST (02:04 UTC)
18,000 ft FL180	300° at 18 kt	−17 kt	-6 °C	137 kt	12 h 57 min	10:04 pm AST (02:04 UTC)
24,000 ft FL240	290° at 20 kt	−17 kt	-18 °C	137 kt	12 h 57 min	10:04 pm AST (02:04 UTC)
30,000 ft FL300	290° at 24 kt	−21 kt	-32 °C	141 kt	12 h 35 min	9:42 pm AST (01:42 UTC)
34,000 ft FL340	300° at 30 kt	−27 kt	-41 °C	147 kt	12 h 04 min	9:11 pm AST (01:11 UTC)
39,000 ft FL390	300° at 29 kt	−26 kt	-51 °C	146 kt	12 h 09 min	9:16 pm AST (01:16 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
IND	used from 0 nm out; 73 nm from the line	270/22	290/19 15°	270/19 8°	270/18 4°	290/28 -7°	280/35 -20°	270/37 -34°	300/51 -42°	300/61 -51°
LOU	used from 100 nm out; 39 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°
TYS	used from 249 nm out; 71 nm from the line	330/16	350/32 14°	350/37 9°	340/30 5°	330/28 -6°	340/36 -19°	330/40 -33°	330/51 -41°	330/36 -51°
TRI	used from 299 nm out; 37 nm from the line		340/25 11°	350/37 9°	350/34 6°	340/39 -7°	340/43 -19°	340/55 -32°	330/58 -42°	320/37 -50°
GSP	used from 399 nm out; 34 nm from the line	340/30	360/24 13°	350/29 10°	340/33 6°	340/40 -7°	350/44 -19°	340/59 -31°	350/55 -41°	300/29 -50°
CAE	used from 449 nm out; 45 nm from the line	340/17	330/15 12°	320/22 9°	320/31 5°	330/35 -7°	320/33 -19°	340/40 -32°	350/43 -39°	320/35 -49°
FLO	used from 499 nm out; 28 nm from the line	330/17	330/17 12°	320/21 9°	310/29 4°	310/36 -8°	300/36 -19°	290/34 -32°	300/29 -40°	310/34 -48°
CHS	used from 598 nm out; 59 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 798 nm out; 243 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°
MLB	used from 848 nm out; 288 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°
MIA	used from 1047 nm out; 401 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°

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
CMI Champaign/Urbana, IL	departure	VFR	from the southwest (230°) at 7 knots	10+ mi	none	754 ft	7:53 am CDT (12:53 UTC)
LOU Louisville, KY	160 nm out, 4 nm southeast of the line, tower	marginal VFR Weather: mist	from the south-southeast (150°) at 3 knots	5 mi	none	545 ft	12:53 UTC
LEX Lexington, KY	209 nm out, 24 nm northeast of the line, tower	low IFR Sky: sky obscured at 200 feet Weather: fog	from the south (180°) at 4 knots	0.25 mi	200 ft	979 ft	12:54 UTC
AVL Asheville, NC	389 nm out, 22 nm southwest of the line, tower	marginal VFR Sky: overcast at 2,300 feet	from the north (350°) at 12 knots, gusting to 20	10+ mi	2,300 ft	2,163 ft	12:54 UTC
FLO Florence, SC	538 nm out, 23 nm northeast of the line, tower	VFR	from the west (280°) at 6 knots	10+ mi	none	146 ft	12:53 UTC
STT Charlotte Amalie, VI	destination	VFR Sky: a few clouds at 2,600 feet	from the east (100°) at 9 knots	10+ mi	none	23 ft	8:53 am AST (12:53 UTC)

The highest airport on this list sits at 2,163 ft; the ground between airports is higher still. Check the sectional chart for the terrain and the minimum safe heights along the line.

At STT when you get there the forecast at the estimated arrival, 9:11 pm AST (01:11 UTC)

Wind from the east at 7 knots, visibility more than 6 miles, showers nearby, scattered clouds at 3,000 feet VFR

The whole forecast for STT

From Mon 8:00 am AST (12:00 UTC): wind from the east at 8 knots, visibility more than 6 miles, showers nearby, scattered clouds at 3,000 feet
From Mon 9:00 am AST (13:00 UTC): wind from the east-southeast at 12 knots, visibility more than 6 miles, showers nearby, a few clouds at 2,500 feet, scattered clouds at 3,500 feet
From Mon 6:00 pm AST (22:00 UTC): wind from the east at 7 knots, visibility more than 6 miles, showers nearby, scattered clouds at 3,000 feet

The forecast for CMI, the departure

From Mon 7:00 am CDT (12:00 UTC): wind from the south at 6 knots, visibility more than 6 miles, scattered clouds at 25,000 feet
From Mon 1:00 pm CDT (18:00 UTC): wind from the southwest at 14 knots, gusting to 20, visibility more than 6 miles, scattered clouds at 25,000 feet
From Mon 7:00 pm CDT (00:00 UTC): wind from the south-southwest at 10 knots, visibility more than 6 miles, scattered clouds at 25,000 feet
From Tue 1:00 am CDT (06:00 UTC): wind from the southwest at 10 knots, visibility more than 6 miles, low-level wind shear, clear skies

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

6/2698 VIEQUES, PR, Monday, January 19, 2026 through Friday, December 18, 2026 UTC 20 nm from the route, at the destination end · a hazard on the ground (fire-fighting, a chemical spill, rescue work) · until 18 December · ZSU

Daylight

Sunset at CMI 6:18 pm CDT (23:18 UTC), at STT 5:59 pm AST (21:59 UTC) (civil twilight ends 6:21 pm AST (22:21 UTC)). At 120 knots the arrival at STT is after sunset there (5:59 pm AST (21:59 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 upper Mississippi valley · loop National Weather Service

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

Radar now, the Southeast · 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: University Of Illinois/Willard Airport, Cyril E King Airport.