Plan a flight · Sun 9:05 pm EDT (01:05 UTC)

Wilmington Air Park Airport to Ontario International ILN → ONT

1,648 nautical miles (1,897 statute miles) west on a straight line, true course 269°, about 276° magnetic at the departure end (variation 7W). At 120 knots that is 15 h 24 min at the quickest height in today's winds (4,500 ft, a 13-knot headwind), arriving about 9:29 am PDT (16:29 UTC). Right now ILN is IFR, wind from the northwest (320°) at 7 knots; ONT is VFR, wind from the west-southwest (240°) at 8 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: 431 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 first 10 nm of the route.
AIRMET TANGO 4W: moderate turbulence below 18,000 ft up to 18,000 ft. Over the route from 949 to 1498 nm out.
AIRMET TANGO 4W: moderate turbulence above 18,000 ft from 18,000 ft to 36,000 ft. Over the route from 1069 to 1598 nm out.
AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the route from 1099 to 1508 nm out.
AIRMET TANGO 1W: low-level wind shear (due to air speed loss or gain of 20 knots or more below 2,000 ft above the ground). Near the route, 1109 nm along the route.
AIRMET TANGO 3W: strong surface winds (30 knots or more) (due to sustained surface winds greater than 30 knots). Over the route from 1229 to 1269 nm out.
AIRMET SIERRA 2E: low cloud or poor visibility (IFR conditions) (due to ceilings below 1,000 ft, visibility below 3 miles, precipitation, mist). Over the route from 1329 to 1399 nm out.
AIRMET ZULU 3C: moderate icing up to 22,000 ft. Over the route from 1349 to 1588 nm out.
AIRMET TANGO 1W: moderate turbulence below 18,000 ft (due to mountain wave) up to 12,000 ft. Over the last 130 nm of the route.
AIRMET SIERRA 6E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the last 40 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 ILN.

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

urgent GLF6 at 45,000 ft, 38 nm north, 7:57 pm EDT (23:57 UTC): severe turbulence, remarks: a/c had to exit auto pilot, 45 degree pitch-zdv. 1199 nm along the route, 38 nm north of the line.
as filed, and in English
```
FMN UUA /OV RSK280050/TM 2357/FL450/TP GLF6/TB SEV/RM A/C HAD TO EXIT AUTO PILOT, 45 DEGREE PITCH-ZDV
```
Report
an urgent report filed through FMN
Where
50 nm west (280°) of RSK
Time
23:57 UTC
Height
at 45,000 ft
Aircraft
GLF6
Turbulence
severe
Remarks
a/c had to exit auto pilot, 45 degree pitch-zdv
GLF4 at 43,000 ft, 49 nm north, 8:09 pm EDT (00:09 UTC): moderate chop turbulence, remarks: ZDVWC-38. 1129 nm along the route, 49 nm north of the line.
as filed, and in English
```
FMN UA /OV RSK360050/TM 0009/FL430/TP GLF4/TB MOD CHOP/RM ZDVWC-38
```
Report
a routine report filed through FMN
Where
50 nm north (360°) of RSK
Time
00:09 UTC
Height
at 43,000 ft
Aircraft
GLF4
Turbulence
moderate chop
Remarks
ZDVWC-38
E545 at 45,000 ft, 8 nm northwest, 6:29 pm EDT (22:29 UTC): moderate chop turbulence, remarks: zdvwc. 1159 nm along the route, 8 nm northwest of the line.
as filed, and in English
```
FMN UA /OV RSK2950301/TM 2229/FL450/TP E545/TB MOD CHOP/RM ZDVWC
```
Report
a routine report filed through FMN
Where
301 nm southwest (950°) of RSK2
Time
22:29 UTC
Height
at 45,000 ft
Aircraft
E545
Turbulence
moderate chop
Remarks
zdvwc
GLF4 at 43,000 ft, 40 nm north, 8:15 pm EDT (00:15 UTC): moderate turbulence, remarks: zdvwc. 1189 nm along the route, 40 nm north of the line.
as filed, and in English
```
FMN UA /OV RSK290045/TM 0015/FL430/TP GLF4/TB CONS MOD/RM ZDVWC
```
Report
a routine report filed through FMN
Where
45 nm west (290°) of RSK
Time
00:15 UTC
Height
at 43,000 ft
Aircraft
GLF4
Turbulence
continuous moderate
Remarks
zdvwc
B38M at 14,000 ft, 5 nm northeast, 8:13 pm EDT (00:13 UTC): moderate turbulence, light rime icing, 8 °C. At the destination end, 5 nm northeast of the line.
as filed, and in English
```
ONT UA /OV ONT053034/TM 0013/FL140/TP B38M/TA 08/TB MODERATE TURBULENCE/IC LIGHT RIME ICE 190 - 170
```
Report
a routine report filed through ONT
Where
34 nm northeast (053°) of ONT
Time
00:13 UTC
Height
at 14,000 ft
Aircraft
B38M
Temperature
8 °C
Turbulence
moderate turbulence
Icing
light rime ice at 19,000 ft at 17,000 ft
E145 climbing, 29 nm north, 7:51 pm EDT (23:51 UTC): a routine report with nothing remarked on. At the departure end, 29 nm north of the line.
as filed, and in English
```
CMH UA /OV DAY/TM 2351/FLDURC/TP E145/SK B005 T035
```
Report
a routine report filed through CMH
Where
over DAY
Time
23:51 UTC
Height
during the climb
Aircraft
E145
Sky
B005 T035
B744 climbing, 14 nm south, 8:02 pm EDT (00:02 UTC): light turbulence, overcast. At the departure end, 14 nm south of the line.
as filed, and in English
```
CVG UA /OV 10 N CVG/TM 0002/FLDURC/TP B744/SK B022 OVC T036/TB LT TB SFC-036
```
Report
a routine report filed through CVG
Where
10 north cvg
Time
00:02 UTC
Height
during the climb
Aircraft
B744
Sky
B022 overcast T036
Turbulence
lt turbulence from the surface to 3,600 ft
B737 at 23,000 ft, 24 nm south, 7:51 pm EDT (23:51 UTC): light turbulence. At the departure end, 24 nm south of the line.
as filed, and in English
```
IND UA /OV CVG/TM 2351/FL230/TP B737/TB LGT
```
Report
a routine report filed through IND
Where
over CVG
Time
23:51 UTC
Height
at 23,000 ft
Aircraft
B737
Turbulence
light
B753 at 32,000 ft, 24 nm south, 6:11 pm EDT (22:11 UTC): no turbulence. At the departure end, 24 nm south of the line.
as filed, and in English
```
IND UA /OV CVG/TM 2211/FL320/TP B753/TB NEG
```
Report
a routine report filed through IND
Where
over CVG
Time
22:11 UTC
Height
at 32,000 ft
Aircraft
B753
Turbulence
none
B739 climbing, 24 nm south, 7:31 pm EDT (23:31 UTC): overcast. At the departure end, 24 nm south of the line.
as filed, and in English
```
CVG UA /OV 5 W CVG/TM 2331/FLDURC/TP B739/SK B026 OVC T036
```
Report
a routine report filed through CVG
Where
5 west cvg
Time
23:31 UTC
Height
during the climb
Aircraft
B739
Sky
B026 overcast T036
A333 at 4,000 ft, 25 nm south, 6:44 pm EDT (22:44 UTC): overcast. At the departure end, 25 nm south of the line.
as filed, and in English
```
CVG UA /OV CVG270010/TM 2244/FL040/TP A333/SK B025 OVC T035
```
Report
a routine report filed through CVG
Where
10 nm west (270°) of CVG
Time
22:44 UTC
Height
at 4,000 ft
Aircraft
A333
Sky
B025 overcast T035
E170 at 23,000 ft, 41 nm north, 7:14 pm EDT (23:14 UTC): light turbulence. 130 nm along the route, 41 nm north of the line.
as filed, and in English
```
IND UA /OV VHP315020/TM 2314/FL230/TP E170/TB LGT
```
Report
a routine report filed through IND
Where
20 nm northwest (315°) of VHP
Time
23:14 UTC
Height
at 23,000 ft
Aircraft
E170
Turbulence
light
B38M at 23,700 ft, 21 nm south, 7:51 pm EDT (23:51 UTC): light turbulence. 170 nm along the route, 21 nm south of the line.
as filed, and in English
```
IND UA /OV TTH190030/TM 2351/FL237/TP B38M/TB LGT
```
Report
a routine report filed through IND
Where
30 nm south (190°) of TTH
Time
23:51 UTC
Height
at 23,700 ft
Aircraft
B38M
Turbulence
light
BE9L at 20,000 ft, 47 nm north, 8:34 pm EDT (00:34 UTC): light rime icing, -9 °C, remarks: ZDVWC-41. 1039 nm along the route, 47 nm north of the line.
as filed, and in English
```
ALS UA /OV ALS330035/TM 0034/FL200/TP BE9L/TA M09/IC LGT RIME/RM ZDVWC-41
```
Report
a routine report filed through ALS
Where
35 nm northwest (330°) of ALS
Time
00:34 UTC
Height
at 20,000 ft
Aircraft
BE9L
Temperature
−9 °C
Icing
light rime
Remarks
ZDVWC-41

16 more routine reports are on the map.

Winds aloft along the route, and the time en route the forecast for use 20:00–03:00 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 15 forecast points nearest it (CVG, IND, SPI, STL, COU, MKC, SLN, GCK, PUB, ALS, FMN, PRC, LAS, BLH, ONT). 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	220° at 18 kt	+13 kt	19 °C	107 kt	15 h 24 min	9:29 am PDT (16:29 UTC)
6,500 ft	230° at 18 kt	+17 kt	15 °C	103 kt	16 h	10:05 am PDT (17:05 UTC)
8,500 ft	230° at 21 kt	+20 kt	11 °C	100 kt	16 h 29 min	10:34 am PDT (17:34 UTC)
10,500 ft	240° at 22 kt	+22 kt	7 °C	98 kt	16 h 49 min	10:54 am PDT (17:54 UTC)
12,500 ft	240° at 23 kt	+23 kt	3 °C	97 kt	16 h 59 min	11:04 am PDT (18:04 UTC)
14,500 ft	240° at 25 kt	+25 kt	-1 °C	95 kt	17 h 21 min	11:26 am PDT (18:26 UTC)
16,500 ft	240° at 27 kt	+27 kt	-5 °C	93 kt	17 h 43 min	11:48 am PDT (18:48 UTC)
18,000 ft FL180	240° at 28 kt	+28 kt	-8 °C	92 kt	17 h 55 min	12:00 pm PDT (19:00 UTC)
24,000 ft FL240	240° at 32 kt	+33 kt	-19 °C	87 kt	18 h 57 min	1:02 pm PDT (20:02 UTC)
30,000 ft FL300	250° at 44 kt	+46 kt	-31 °C	74 kt	22 h 16 min	4:21 pm PDT (23:21 UTC)
34,000 ft FL340	250° at 47 kt	+50 kt	-38 °C	70 kt	23 h 33 min	5:38 pm PDT (00:38 UTC)
39,000 ft FL390	260° at 46 kt	+49 kt	-48 °C	71 kt	23 h 13 min	5:18 pm PDT (00:18 UTC)

Based on data from the 11th at 18:00 UTC; valid on the 12th at 00:00 UTC for use 20:00 to 03:00 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
CVG	used from 0 nm out; 27 nm from the line	350/13	340/20 13°	340/22 8°	350/30 3°	340/30 -9°	340/38 -21°	330/37 -35°	320/38 -40°	310/35 -47°
IND	used from 100 nm out; 22 nm from the line	320/10	350/30 16°	350/32 10°	350/30 4°	340/31 -10°	340/42 -21°	340/49 -37°	320/46 -41°	320/47 -47°
SPI	used from 200 nm out; 59 nm from the line	210/13	260/11 17°	270/18 10°	290/21 4°	310/20 -8°	330/25 -19°	320/49 -34°	320/60 -44°	320/59 -50°
STL	used from 300 nm out; 31 nm from the line	210/13	260/16 17°	270/21 10°	280/24 5°	310/20 -7°	320/22 -18°	320/44 -33°	320/59 -43°	310/69 -51°
COU	used from 350 nm out; 24 nm from the line	210/16	220/19 15°	240/33 10°	250/29 7°	280/21 -6°	280/19 -18°	300/34 -31°	300/40 -42°	300/60 -52°
MKC	used from 450 nm out; 32 nm from the line	200/28	220/30 16°	270/20 11°	280/22 7°	260/27 -6°	270/27 -18°	280/38 -32°	270/38 -40°	280/50 -52°
SLN	used from 549 nm out; 74 nm from the line	190/37	220/39 20°	240/31 14°	250/24 7°	260/25 -7°	250/26 -17°	250/44 -31°	260/47 -40°	260/47 -50°
GCK	used from 699 nm out; 74 nm from the line		200/35 21°	220/34 14°	240/30 8°	240/27 -6°	240/31 -17°	240/53 -30°	250/55 -39°	250/60 -50°
PUB	used from 899 nm out; 68 nm from the line			210/24 16°	210/28 8°	230/43 -8°	240/42 -21°	240/77 -30°	240/72 -36°	250/51 -47°
ALS	used from 999 nm out; 26 nm from the line				210/32 5°	230/48 -8°	230/49 -20°	230/78 -30°	240/74 -36°	240/61 -47°
FMN	used from 1099 nm out; 39 nm from the line			220/25 13°	220/28 4°	210/51 -9°	220/59 -21°	230/78 -30°	230/77 -36°	230/66 -46°
PRC	used from 1299 nm out; 88 nm from the line			200/36 6°	210/46 0°	220/60 -10°	220/75 -19°	220/66 -26°	230/70 -33°	230/59 -45°
LAS	used from 1448 nm out; 74 nm from the line		200/25 11°	230/22 5°	240/25 -1°	220/37 -12°	220/44 -21°	210/52 -27°	210/60 -34°	220/58 -44°
BLH	used from 1498 nm out; 75 nm from the line	230/22	210/24 11°	230/23 5°	230/26 0°	220/38 -10°	230/52 -19°	220/58 -28°	220/69 -34°	220/59 -45°
ONT	used from 1548 nm out; 75 nm from the line	230/11	200/17 6°	230/27 4°	230/32 -2°	210/39 -12°	220/51 -20°	220/48 -29°	210/51 -34°	210/52 -44°

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
ILN Wilmington, OH	departure	IFR Sky: overcast at 500 feet Weather: mist	from the northwest (320°) at 7 knots	4 mi	500 ft	1,076 ft	8:54 pm EDT (00:54 UTC)
HUF Terre Haute, IN	160 nm out, 7 nm northwest of the line, tower	VFR	calm	10+ mi	none	589 ft	00:53 UTC
ALN Alton/St Louis, IL	290 nm out, 19 nm south of the line, tower	VFR	from the southeast (140°) at 6 knots	10+ mi	none	543 ft	00:50 UTC
COU Columbia, MO	390 nm out, 15 nm south of the line, tower	VFR	from the south (180°) at 4 knots	10+ mi	none	889 ft	00:54 UTC
IXD Olathe, KS	519 nm out, 2 nm northeast of the line, tower	VFR	from the south-southeast (160°) at 8 knots	10+ mi	none	1,087 ft	00:53 UTC
GCK Garden City, KS	799 nm out, 8 nm southeast of the line, tower	VFR	from the south (180°) at 12 knots	10+ mi	none	2,890 ft	00:54 UTC
TAD Trinidad, CO	979 nm out, 11 nm southeast of the line	VFR	from the west-southwest (240°) at 15 knots, gusting to 24	10+ mi	none	5,761 ft	00:54 UTC
ALS Alamosa, CO	1039 nm out, 18 nm northwest of the line	VFR Sky: a few clouds at 5,000 feet, scattered clouds at 8,500 feet, scattered clouds at 11,000 feet	from the south-southwest (200°) at 15 knots	10+ mi	none	7,539 ft	00:52 UTC
FMN Farmington, NM	1159 nm out, 8 nm northwest of the line, tower	VFR	from the west (270°) at 9 knots	10+ mi	none	5,506 ft	00:53 UTC
GCN Grand Canyon, AZ	1359 nm out, 17 nm north of the line, tower	IFR Sky: a broken layer at 500 feet, overcast at 1,000 feet Weather: mist	from the southwest (230°) at 17 knots, gusting to 25	5 mi	500 ft	6,608 ft	00:54 UTC
SBD San Bernardino, CA	1628 nm out, 5 nm south of the line, tower	VFR Sky: a broken layer at 3,600 feet, overcast at 5,000 feet	from the south (190°) at 5 knots	10+ mi	3,600 ft	1,159 ft	00:55 UTC
ONT Ontario, CA	destination	VFR Sky: scattered clouds at 4,900 feet, a broken layer at 12,000 feet	from the west-southwest (240°) at 8 knots	10+ mi	12,000 ft	944 ft	5:53 pm PDT (00:53 UTC)

The highest airport on this list sits at 7,539 ft; the ground between airports is higher still. Check the sectional chart for the terrain and the minimum safe heights along the line.

At ONT when you get there the forecast at the estimated arrival, 9:29 am PDT (16:29 UTC)

Wind from the west-southwest at 4 knots, visibility more than 6 miles, showers nearby, a few clouds at 2,500 feet, a broken layer at 5,000 feet VFR

The whole forecast for ONT

From Sun 5:00 pm PDT (00:00 UTC): wind from the southwest at 11 knots, gusting to 18, visibility more than 6 miles, a few clouds at 3,000 feet, a broken layer at 5,000 feet
From Sun 11:00 pm PDT (06:00 UTC): wind from the west-southwest at 8 knots, visibility more than 6 miles, showers nearby, overcast at 2,500 feet
From Mon 3:00 am PDT (10:00 UTC): wind from the west-southwest at 4 knots, visibility more than 6 miles, showers nearby, a few clouds at 2,500 feet, a broken layer at 5,000 feet
From Mon 11:00 am PDT (18:00 UTC): wind from the west-southwest at 5 knots, visibility more than 6 miles, a broken layer at 5,000 feet
From Mon 2:00 pm PDT (21:00 UTC): wind from the west-southwest at 11 knots, gusting to 18, visibility more than 6 miles, a broken layer at 5,000 feet
From Mon 8:00 pm PDT (03:00 UTC): wind from the west-southwest at 9 knots, visibility more than 6 miles, a broken layer at 6,000 feet

The forecast for ILN, the departure

From Sun 8:00 pm EDT (00:00 UTC): wind from the north-northwest at 6 knots, visibility 4 miles, mist, overcast at 600 feet
From Mon 2:00 am EDT (06:00 UTC): wind from the northwest at 6 knots, visibility 4 miles, mist, scattered clouds at 400 feet
From Mon 4:00 am EDT (08:00 UTC): wind from the west-northwest at 5 knots, visibility 1 mile, mist, scattered clouds at 200 feet
At times between Mon 6:00 am EDT (10:00 UTC) and 9:00 am EDT (13:00 UTC): visibility ¼ mile, fog, sky obscured at 200 feet
From Mon 10:00 am EDT (14:00 UTC): wind from the south at 6 knots, visibility more than 6 miles, scattered clouds at 25,000 feet
From Mon 12:00 pm EDT (16:00 UTC): wind from the south-southwest at 10 knots, visibility more than 6 miles, scattered clouds at 25,000 feet

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

6/8029 Cincinnati, OH, Friday, October 9, 2026 through Monday, October 12, 2026 Local 17 nm from the route, at the departure end · a VIP movement · until 12 October · ZID
6/7634 CENTRALIA, MO, Monday, October 12, 2026 UTC 4 nm from the route, 390 nm along the route · a hazard on the ground (fire-fighting, a chemical spill, rescue work) · today · ZKC
6/8891 Bullhead City, AZ, Wednesday, October 14, 2026 Local 1 nm from the route, 1488 nm along the route · a VIP movement · starts Wednesday 14 October · ZLA
4/3635 DISNEYLAND THEME PARK, ANAHEIM,, CA 19 nm from the route, at the destination end · security · ZLA

Daylight

Sunset at ILN 7:00 pm EDT (23:00 UTC), at ONT 6:20 pm PDT (01:20 UTC) (civil twilight ends 6:45 pm PDT (01:45 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 central Great Lakes · loop National Weather Service

Radar now, the upper 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: Wilmington Air Park Airport, Ontario International.