Plan a flight · Mon 7:17 am CDT (12:17 UTC)

University Of Illinois/Willard Airport to Dallas Love Field CMI → DAL

598 nautical miles (688 statute miles) southwest on a straight line, true course 226°, about 229° magnetic at the departure end (variation 3W). At 120 knots that is 5 h 38 min at the quickest height in today's winds (39,000 ft, a 14-knot headwind), arriving about 12:55 pm CDT (17:55 UTC). Right now CMI is VFR, wind from the southwest (230°) at 6 knots; DAL is VFR, wind from the southeast (140°) 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: 2 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: 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 299 to 339 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

B738 at 2,100 ft, 10 nm west, 6:55 am CDT (11:55 UTC): a routine report with nothing remarked on. At the destination end, 10 nm west of the line.
as filed, and in English
```
DFW UA /OV 3 N OF DFW/TM 1155/FL021/TP B738/SK BASE021
```
Report
a routine report filed through DFW
Where
3 north of dfw
Time
11:55 UTC
Height
at 2,100 ft
Aircraft
B738
Sky
BASE021
E170 at 2,200 ft, 10 nm west, 6:42 am CDT (11:42 UTC): scattered clouds above 2,200 ft, remarks: haze layer on final at 2200 ft. At the destination end, 10 nm west of the line.
as filed, and in English
```
DFW UA /OV DFW/TM 1142/FL022/TP E170/SK SCT022/RM HAZE LAYER ON FINAL AT 2200 FT
```
Report
a routine report filed through DFW
Where
over DFW
Time
11:42 UTC
Height
at 2,200 ft
Aircraft
E170
Sky
scattered clouds from 2,200 ft
Remarks
haze layer on final at 2200 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 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 5 forecast points nearest it (SPI, STL, SGF, FSM, DAL). 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	240° at 25 kt	+25 kt		95 kt	6 h 18 min	1:35 pm CDT (18:35 UTC)
6,500 ft	240° at 20 kt	+19 kt	15 °C	101 kt	5 h 55 min	1:12 pm CDT (18:12 UTC)
8,500 ft	240° at 19 kt	+18 kt	12 °C	102 kt	5 h 52 min	1:09 pm CDT (18:09 UTC)
10,500 ft	240° at 18 kt	+17 kt	9 °C	103 kt	5 h 48 min	1:05 pm CDT (18:05 UTC)
12,500 ft	250° at 18 kt	+16 kt	6 °C	104 kt	5 h 45 min	1:02 pm CDT (18:02 UTC)
14,500 ft	250° at 20 kt	+18 kt	1 °C	102 kt	5 h 52 min	1:09 pm CDT (18:09 UTC)
16,500 ft	250° at 22 kt	+19 kt	-3 °C	101 kt	5 h 55 min	1:12 pm CDT (18:12 UTC)
18,000 ft FL180	260° at 24 kt	+20 kt	-7 °C	100 kt	5 h 59 min	1:16 pm CDT (18:16 UTC)
24,000 ft FL240	260° at 29 kt	+24 kt	-17 °C	96 kt	6 h 14 min	1:31 pm CDT (18:31 UTC)
30,000 ft FL300	280° at 50 kt	+29 kt	-31 °C	91 kt	6 h 34 min	1:51 pm CDT (18:51 UTC)
34,000 ft FL340	280° at 53 kt	+29 kt	-40 °C	91 kt	6 h 34 min	1:51 pm CDT (18:51 UTC)
39,000 ft FL390	300° at 52 kt	+14 kt	-50 °C	106 kt	5 h 38 min	12:55 pm CDT (17:55 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
SPI	used from 0 nm out; 47 nm from the line	260/28	250/22 15°	250/14 9°	260/20 6°	280/27 -7°	280/34 -19°	280/48 -32°	280/59 -41°	300/60 -49°
STL	used from 100 nm out; 12 nm from the line	250/26	240/21 15°	240/22 11°	250/23 6°	270/28 -7°	260/30 -19°	280/52 -31°	280/57 -40°	300/57 -49°
SGF	used from 199 nm out; 82 nm from the line	230/37	260/20 15°	250/16 13°	250/15 8°	260/28 -7°	250/31 -17°	280/59 -31°	280/59 -39°	290/55 -50°
FSM	used from 349 nm out; 32 nm from the line	230/33	260/23 15°	240/23 11°	230/18 8°	230/20 -8°	250/31 -17°	280/51 -30°	280/52 -39°	300/47 -51°
DAL	used from 498 nm out; 75 nm from the line	190/30	200/28 18°	220/18 13°	250/13 8°	240/24 -6°	270/20 -14°	270/35 -29°	290/34 -39°	310/41 -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
CMI Champaign/Urbana, IL	departure	VFR	from the southwest (230°) at 6 knots	10+ mi	none	754 ft	6:53 am CDT (11:53 UTC)
DEC Decatur, IL	30 nm out, 10 nm northwest of the line, tower	VFR	from the southwest (220°) at 8 knots	10+ mi	none	681 ft	11:54 UTC
ALN Alton/St Louis, IL	110 nm out, 8 nm northwest of the line, tower	VFR	from the south (190°) at 5 knots	10+ mi	none	543 ft	11:50 UTC
CPS Cahokia/St Louis, IL	120 nm out, 5 nm south of the line, tower	VFR	from the south-southeast (160°) at 3 knots	10+ mi	none	412 ft	11:53 UTC
MNF Mountain View, MO	239 nm out, 17 nm southeast of the line	no report just now				1,182 ft
TVB Cabool, MO	249 nm out, 2 nm northwest of the line	no report just now				1,220 ft
BBG Branson, MO	309 nm out, 16 nm northwest of the line, tower	VFR	from the south (180°) at 3 knots	10+ mi	none	1,302 ft	11:45 UTC
FSM Fort Smith, AR	408 nm out, 9 nm north of the line, tower	VFR	from the east-northeast (060°) at 3 knots	10+ mi	none	469 ft	11:53 UTC
RKR Poteau, OK	428 nm out, 5 nm northwest of the line	VFR	calm	10+ mi	none	450 ft	11:55 UTC
HHW Hugo, OK	498 nm out, 3 nm south of the line	VFR	from the southeast (140°) at 3 knots	10+ mi	none	572 ft	11:50 UTC
TKI Dallas, TX	578 nm out, 5 nm north of the line, tower	VFR	from the south (170°) at 7 knots	10+ mi	none	588 ft	11:53 UTC
DAL Dallas, TX	destination	VFR Sky: a few clouds at 2,000 feet, a few clouds at 25,000 feet	from the southeast (140°) at 6 knots	10+ mi	none	486 ft	6:53 am CDT (11:53 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 DAL when you get there the forecast at the estimated arrival, 12:55 pm CDT (17:55 UTC)

Wind from the south at 12 knots, gusting to 23, visibility more than 6 miles, a few clouds at 15,000 feet VFR

The whole forecast for DAL

From Mon 7:00 am CDT (12:00 UTC): wind from the south at 11 knots, visibility more than 6 miles, clear skies
From Mon 10:00 am CDT (15:00 UTC): wind from the south at 12 knots, gusting to 23, visibility more than 6 miles, a few clouds at 15,000 feet
From Mon 7:00 pm CDT (00:00 UTC): wind from the south at 11 knots, visibility more than 6 miles, a few clouds at 6,000 feet
From Tue 4:00 am CDT (09:00 UTC): wind from the south at 11 knots, visibility more than 6 miles, a broken layer at 2,000 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

9/2934 DALLAS, TX 2 nm from the route, at the destination end · a VIP movement · ZFW
6/8646 Arlington, TX, Thursday, October 15, 2026 through Friday, October 16, 2026 UTC 13 nm from the route, at the destination end · drones kept away from a public gathering · starts Thursday 15 October · ZFW

Daylight

Sunset at CMI 6:18 pm CDT (23:18 UTC), at DAL 6:58 pm CDT (23:58 UTC) (civil twilight ends 7:22 pm CDT (00:22 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 lower Mississippi valley · loop National Weather Service

Radar now, the southern Plains · 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, Dallas Love Field.