Plan a flight · Mon 11:05 am CDT (16:05 UTC)

University Of Illinois/Willard Airport to Washington Dulles International CMI → IAD

505 nautical miles (581 statute miles) east on a straight line, true course 094°, about 097° magnetic at the departure end (variation 3W). At 120 knots that is 3 h at the quickest height in today's winds (34,000 ft, a 48-knot tailwind), arriving about 3:05 pm EDT (19:05 UTC). Right now CMI is VFR, wind from the west-southwest (240°) at 14 knots; IAD is marginal VFR, wind from the northwest (320°) at 12 knots, gusting to 19. 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 1E: low cloud or poor visibility (IFR conditions) (due to ceilings below 1,000 ft, visibility below 3 miles, mist). Over the route from 178 to 426 nm out.
AIRMET SIERRA 4E: mountains obscured by cloud (due to mountains obscured by clouds, mist). Over the route from 327 to 436 nm out.
AIRMET TANGO 3W: moderate turbulence below 18,000 ft (due to mountain wave) up to 6,000 ft. Over the route from 406 to 495 nm out.
AIRMET TANGO 3W: moderate turbulence above 18,000 ft from 24,000 ft to 40,000 ft. Over the last 10 nm of 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 CMI.

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

E170 at 21,000 ft, 48 nm south, 10:18 am CDT (15:18 UTC): moderate turbulence. 79 nm along the route, 48 nm south of the line.
as filed, and in English
```
IND UA /OV OOM/TM 1518/FL210/TP E170/TB MOD
```
Report
a routine report filed through IND
Where
over OOM
Time
15:18 UTC
Height
at 21,000 ft
Aircraft
E170
Turbulence
moderate
E170 at 24,000 ft, 48 nm south, 10:18 am CDT (15:18 UTC): moderate turbulence. 79 nm along the route, 48 nm south of the line.
as filed, and in English
```
IND UA /OV OOM/TM 1518/FL240/TP E170/TB MOD
```
Report
a routine report filed through IND
Where
over OOM
Time
15:18 UTC
Height
at 24,000 ft
Aircraft
E170
Turbulence
moderate
EMBRAER at 400 ft, 38 nm south, 8:37 am CDT (13:37 UTC): haze, remarks: ils runway 23 ceiling at 400 ft. 109 nm along the route, 38 nm south of the line.
as filed, and in English
```
BAK UA /OV KBAK/TM 1337/FL004/TP EMBRAER/WX HZ/RM ILS RWY 23 CEILING 004
```
Report
a routine report filed through BAK
Where
over KBAK
Time
13:37 UTC
Height
at 400 ft
Aircraft
EMBRAER
Weather
haze
Remarks
ils runway 23 ceiling at 400 ft
G280 at 200 ft, 38 nm south, 8:10 am CDT (13:10 UTC): fog, remarks: ils runway 23 runway environment aquired at at 20,000 ft feet above ground. 109 nm along the route, 38 nm south of the line.
as filed, and in English
```
BAK UA /OV KBAK/TM 1310/FL002/TP G280/WX FG/RM ILS RWY 23 RUNWAY ENVIRONMENT AQUIRED AT 200 FEET AGL
```
Report
a routine report filed through BAK
Where
over KBAK
Time
13:10 UTC
Height
at 200 ft
Aircraft
G280
Weather
fog
Remarks
ils runway 23 runway environment aquired at at 20,000 ft feet above ground
B738 at 36,000 ft, 15 nm north, 10:38 am CDT (15:38 UTC): no turbulence. 158 nm along the route, 15 nm north of the line.
as filed, and in English
```
IND UA /OV ROD255040/TM 1538/FL360/TP B738/TB NEG
```
Report
a routine report filed through IND
Where
40 nm west (255°) of ROD
Time
15:38 UTC
Height
at 36,000 ft
Aircraft
B738
Turbulence
none
BCS3 climbing, 46 nm south, 9:18 am CDT (14:18 UTC): overcast from 20,000 ft to 500 ft. 168 nm along the route, 46 nm south of the line.
as filed, and in English
```
CVG UA /OV CVG/TM 1418/FLDURC/TP BCS3/SK OVC002 TOPS 005
```
Report
a routine report filed through CVG
Where
over CVG
Time
14:18 UTC
Height
during the climb
Aircraft
BCS3
Sky
overcast from 200 ft, tops 500 ft
E75S descending, 46 nm south, 8:50 am CDT (13:50 UTC): a broken layer above 20,000 ft, remarks: cvg arrival, runway insight at at 25,000 ft feet. 168 nm along the route, 46 nm south of the line.
as filed, and in English
```
CVG UA /OV CVG/TM 1350/FLDURD/TP E75S/SK BKN002/RM CVG ARRIVAL, RUNWAY INSIGHT AT 250 FEET
```
Report
a routine report filed through CVG
Where
over CVG
Time
13:50 UTC
Height
during the descent
Aircraft
E75S
Sky
a broken layer from 200 ft
Remarks
cvg arrival, runway insight at at 25,000 ft feet
E75L descending, 46 nm south, 8:38 am CDT (13:38 UTC): sky obscured, remarks: runway 18L arrival, picked up approach lights at minimums, at 100 ft. 168 nm along the route, 46 nm south of the line.
as filed, and in English
```
CVG UA /OV CVG/TM 1338/FLDURD/TP E75L/SK VV001/RM RWY 18L ARRIVAL, PICKED UP APPROACH LIGHTS AT MINIMUMS, 001
```
Report
a routine report filed through CVG
Where
over CVG
Time
13:38 UTC
Height
during the descent
Aircraft
E75L
Sky
sky obscured from 100 ft
Remarks
runway 18L arrival, picked up approach lights at minimums, at 100 ft
CRJ9 descending, 46 nm south, 8:21 am CDT (13:21 UTC): sky obscured, remarks: runway 18R als insight at at 15,000 ft feet. 168 nm along the route, 46 nm south of the line.
as filed, and in English
```
CVG UA /OV CVG/TM 1321/FLDURD/TP CRJ9/SK VV001/RM RWY 18R ALS INSIGHT AT 150 FEET
```
Report
a routine report filed through CVG
Where
over CVG
Time
13:21 UTC
Height
during the descent
Aircraft
CRJ9
Sky
sky obscured from 100 ft
Remarks
runway 18R als insight at at 15,000 ft feet
E75L at 26,000 ft, 10 nm north, 8:19 am CDT (13:19 UTC): no turbulence up to 26,000 ft, no icing up to 26,000 ft. 178 nm along the route, 10 nm north of the line.
as filed, and in English
```
DAY UA /OV DQN180005/TM 1319/FL260/TP E75L/TB NEG BLO 260/IC NEG BLO 260
```
Report
a routine report filed through DAY
Where
5 nm south (180°) of DQN
Time
13:19 UTC
Height
at 26,000 ft
Aircraft
E75L
Turbulence
no below 26,000 ft
Icing
no below 26,000 ft
A320 at 3,000 ft, 9 nm north, 8:35 am CDT (13:35 UTC): a routine report with nothing remarked on. 188 nm along the route, 9 nm north of the line.
as filed, and in English
```
CMH UA /OV DAY/TM 1335/FL030/TP A320/SK BUNKN-TOP013
```
Report
a routine report filed through CMH
Where
over DAY
Time
13:35 UTC
Height
at 3,000 ft
Aircraft
A320
Sky
BUNKN-TOP013
CRJ9 at 29,000 ft, 7 nm south, 9:39 am CDT (14:39 UTC): no turbulence. 198 nm along the route, 7 nm south of the line.
as filed, and in English
```
IND UA /OV MXQ320015/TM 1439/FL290/TP CRJ9/TB NEG
```
Report
a routine report filed through IND
Where
15 nm northwest (320°) of MXQ
Time
14:39 UTC
Height
at 29,000 ft
Aircraft
CRJ9
Turbulence
none
C172 at 2,300 ft, 26 nm north, 9:49 am CDT (14:49 UTC): a routine report with nothing remarked on. 238 nm along the route, 26 nm north of the line.
as filed, and in English
```
CMH UA /OV OSU/TM 1449/FL023/TP C172/SK B017 T022
```
Report
a routine report filed through CMH
Where
over OSU
Time
14:49 UTC
Height
at 2,300 ft
Aircraft
C172
Sky
B017 T022
PA28 at 2,300 ft, 15 nm north, 9:00 am CDT (14:00 UTC): overcast above 500 ft, 16 °C, remarks: PA28 short final runway 22 reported TOPS023 BASES014. 238 nm along the route, 15 nm north of the line.
as filed, and in English
```
TZR UA /OV FINAL RY22/TM 1400/FL023/TP PA28/SK OVC005/WX 7/TA 60/RM PA28 SHORT FINAL RY22 RPTD TOPS023 BASES014
```
Report
a routine report filed through TZR
Where
final runway 22
Time
14:00 UTC
Height
at 2,300 ft
Aircraft
PA28
Sky
overcast from 500 ft
Weather
7
Temperature
60 °C
Remarks
PA28 short final runway 22 reported TOPS023 BASES014

16 more routine reports are on the map.

Winds aloft along the route, and the time en route the forecast for use 14:00–21:00 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 6 forecast points nearest it (IND, CVG, CMH, CRW, EKN, RIC). 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	270° at 16 kt	−16 kt		136 kt	3 h 43 min	3:48 pm EDT (19:48 UTC)
5,500 ft	290° at 17 kt	−17 kt	15 °C	137 kt	3 h 41 min	3:46 pm EDT (19:46 UTC)
7,500 ft	290° at 18 kt	−18 kt	12 °C	138 kt	3 h 40 min	3:45 pm EDT (19:45 UTC)
9,500 ft	300° at 20 kt	−19 kt	8 °C	139 kt	3 h 38 min	3:43 pm EDT (19:43 UTC)
11,500 ft	310° at 23 kt	−21 kt	6 °C	141 kt	3 h 35 min	3:40 pm EDT (19:40 UTC)
13,500 ft	300° at 25 kt	−23 kt	2 °C	143 kt	3 h 32 min	3:37 pm EDT (19:37 UTC)
15,500 ft	300° at 27 kt	−25 kt	-2 °C	145 kt	3 h 29 min	3:34 pm EDT (19:34 UTC)
17,500 ft	300° at 28 kt	−27 kt	-6 °C	147 kt	3 h 26 min	3:31 pm EDT (19:31 UTC)
18,000 ft FL180	300° at 29 kt	−27 kt	-7 °C	147 kt	3 h 26 min	3:31 pm EDT (19:31 UTC)
24,000 ft FL240	290° at 36 kt	−35 kt	-19 °C	155 kt	3 h 15 min	3:20 pm EDT (19:20 UTC)
30,000 ft FL300	280° at 41 kt	−41 kt	-35 °C	161 kt	3 h 08 min	3:13 pm EDT (19:13 UTC)
34,000 ft FL340	290° at 50 kt	−48 kt	-41 °C	168 kt	3 h	3:05 pm EDT (19:05 UTC)
39,000 ft FL390	310° at 55 kt	−48 kt	-49 °C	168 kt	3 h	3:05 pm EDT (19:05 UTC)

Based on data from the 12th at 12:00 UTC; valid on the 12th at 18:00 UTC for use 14:00 to 21:00 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; 69 nm from the line	260/18	250/20 15°	260/26 9°	290/28 5°	290/30 -7°	280/40 -20°	280/46 -35°	290/53 -38°	300/58 -47°
CVG	used from 149 nm out; 44 nm from the line	260/20	280/18 15°	270/19 8°	290/30 5°	280/31 -7°	290/37 -19°	280/46 -35°	290/55 -40°	310/57 -48°
CMH	used from 198 nm out; 33 nm from the line	270/15	280/20 14°	280/21 9°	290/26 4°	290/29 -7°	290/38 -20°	280/44 -35°	280/48 -42°	310/61 -48°
CRW	used from 297 nm out; 66 nm from the line	270/8	320/23 15°	320/22 10°	330/25 5°	300/30 -6°	290/34 -19°	280/37 -35°	290/48 -42°	310/58 -50°
EKN	used from 347 nm out; 33 nm from the line		320/20 15°	340/24 10°	340/25 4°	310/28 -7°	290/32 -19°	290/36 -36°	300/49 -43°	310/48 -50°
RIC	used from 495 nm out; 88 nm from the line	350/24	350/28 14°	340/25 8°	340/26 5°	340/40 -6°	340/44 -19°	340/48 -33°	330/45 -42°	310/38 -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
CMI Champaign/Urbana, IL	departure	VFR	from the west-southwest (240°) at 14 knots	9 mi	none	754 ft	10:53 am CDT (15:53 UTC)
DNV Danville, IL	30 nm out, 12 nm north of the line	no report just now				696 ft
IND Indianapolis, IN	89 nm out, 12 nm south of the line, tower	VFR Sky: a few clouds at 8,000 feet, scattered clouds at 25,000 feet	from the west-southwest (240°) at 8 knots	10+ mi	none	796 ft	15:54 UTC
AID Anderson, IN	119 nm out, 15 nm north of the line, tower	VFR	from the south (190°) at 4 knots	10+ mi	none	919 ft	12:15 UTC
DAY Dayton, OH	188 nm out, 9 nm north of the line, tower	VFR Sky: a few clouds at 20,000 feet, scattered clouds at 25,000 feet	from the south (190°) at 8 knots	10+ mi	none	1,009 ft	15:56 UTC
LCK Columbus, OH	248 nm out, 11 nm north of the line, tower	marginal VFR Sky: overcast at 1,000 feet	from the south-southwest (200°) at 6 knots	10+ mi	1,000 ft	743 ft	15:55 UTC
LHQ Lancaster, OH	258 nm out, 9 nm north of the line	marginal VFR Sky: a broken layer at 1,100 feet	variable at 4 knots	10+ mi	1,100 ft	868 ft	15:53 UTC
PKB Parkersburg, WV	317 nm out, 8 nm south of the line, tower	marginal VFR Sky: scattered clouds at 800 feet, overcast at 1,500 feet	from the west (270°) at 3 knots	10+ mi	1,500 ft	858 ft	16:00 UTC
CKB Clarksburg, WV	376 nm out, 2 nm southwest of the line, tower	marginal VFR Sky: a few clouds at 1,100 feet, a broken layer at 1,600 feet, overcast at 2,300 feet	from the west-southwest (240°) at 4 knots	10+ mi	1,600 ft	1,223 ft	15:53 UTC
MRB Martinsburg, WV	475 nm out, 22 nm north of the line, tower	marginal VFR Sky: overcast at 2,800 feet	from the north-northwest (340°) at 9 knots	10+ mi	2,800 ft	564 ft	15:53 UTC
IAD Washington, DC	destination	marginal VFR Sky: a broken layer at 2,900 feet	from the northwest (320°) at 12 knots, gusting to 19	10+ mi	2,900 ft	312 ft	11:52 am EDT (15:52 UTC)

The highest airport on this list sits at 1,223 ft; the ground between airports is higher still. Check the sectional chart for the terrain and the minimum safe heights along the line.

At IAD when you get there the forecast at the estimated arrival, 3:05 pm EDT (19:05 UTC)

Wind from the north-northwest at 11 knots, gusting to 18, visibility more than 6 miles, a broken layer at 4,500 feet VFR

The whole forecast for IAD

From Mon 11:00 am EDT (15:00 UTC): wind from the north-northwest at 14 knots, gusting to 21, visibility more than 6 miles, a broken layer at 2,500 feet
From Mon 12:00 pm EDT (16:00 UTC): wind from the north-northwest at 13 knots, gusting to 21, visibility more than 6 miles, scattered clouds at 2,500 feet, a broken layer at 4,000 feet
From Mon 2:00 pm EDT (18:00 UTC): wind from the north-northwest at 11 knots, gusting to 18, visibility more than 6 miles, a broken layer at 4,500 feet
From Mon 5:00 pm EDT (21:00 UTC): wind from the northwest at 7 knots, visibility more than 6 miles, scattered clouds at 5,000 feet
From Mon 8:00 pm EDT (00:00 UTC): wind from the west-northwest at 3 knots, visibility more than 6 miles, a few clouds at 5,000 feet
From Tue 10:00 am EDT (14:00 UTC): wind from the south at 5 knots, visibility more than 6 miles, scattered clouds at 25,000 feet

The forecast for CMI, the departure

From Mon 10:00 am CDT (15:00 UTC): wind from the southwest at 12 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

4/9383 WASHINGTON, DC., USA 8 nm from the route, at the destination end · security · ZDC
6/8600 Sterling, VA, Monday, October 12, 2026 through Monday, October 12, 2026 Local 4 nm from the route, at the destination end · a VIP movement · today · ZDC

Daylight

Sunset at CMI 6:18 pm CDT (23:18 UTC), at IAD 6:36 pm EDT (22:36 UTC) (civil twilight ends 7:02 pm EDT (23:02 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 Northeast · 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, Washington Dulles International.