The U.S. aircraft register, updated daily
Plan a flight · Mon 1:45 am CDT (06:45 UTC)

Chicago O'Hare International to Sioux Gateway/Brig General Bud Day Field ORD → SUX

378 nautical miles (435 statute miles) west on a straight line, true course 277°, about 280° magnetic at the departure end (variation 3W). At 120 knots that is 3 h 34 min at the quickest height in today's winds (10,500 ft, a 14-knot headwind), arriving about 5:19 am CDT (10:19 UTC), after sunset at the destination. Right now ORD is VFR, wind from the south (190°) at 4 knots; SUX is VFR, wind from the southwest (220°) 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: 704 flights in the DOT's last twelve reported months, the route's page.

The return flight

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 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 last 268 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 ORD.

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

Not fetched just now.

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 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 (JOT, DBQ, MCW, DSM, OMA). A plus sign is a headwind, a minus sign a tailwind.

HeightAverage windHead- or tailwindTemperatureGround speedTime en routeArrival
4,500 ft240° at 33 kt+26 kt94 kt4 h 01 min5:46 am CDT (10:46 UTC)
6,500 ft250° at 27 kt+25 kt16 °C95 kt3 h 59 min5:44 am CDT (10:44 UTC)
8,500 ft260° at 18 kt+17 kt11 °C103 kt3 h 40 min5:25 am CDT (10:25 UTC)
10,500 ft250° at 15 kt+14 kt8 °C106 kt3 h 34 min5:19 am CDT (10:19 UTC)
12,500 ft250° at 15 kt+14 kt4 °C106 kt3 h 34 min5:19 am CDT (10:19 UTC)
14,500 ft250° at 18 kt+17 kt0 °C103 kt3 h 40 min5:25 am CDT (10:25 UTC)
16,500 ft260° at 21 kt+21 kt-4 °C99 kt3 h 49 min5:34 am CDT (10:34 UTC)
18,000 ft FL180260° at 24 kt+23 kt-7 °C97 kt3 h 54 min5:39 am CDT (10:39 UTC)
24,000 ft FL240260° at 28 kt+28 kt-20 °C92 kt4 h 07 min5:52 am CDT (10:52 UTC)
30,000 ft FL300260° at 38 kt+36 kt-33 °C84 kt4 h 30 min6:15 am CDT (11:15 UTC)
34,000 ft FL340270° at 49 kt+49 kt-42 °C71 kt5 h 19 min7:04 am CDT (12:04 UTC)
39,000 ft FL390280° at 61 kt+61 kt-51 °C59 kt6 h 24 min8:09 am CDT (13:09 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
PointFrom3,0006,0009,00012,00018,00024,00030,00034,00039,000
JOTused from 0 nm out; 33 nm from the line250/23270/22 15°250/16 10°240/9 4°280/22 -7°280/29 -19°300/29 -34°290/50 -43°300/64 -52°
DBQused from 50 nm out; 54 nm from the line230/33250/30 16°280/15 9°260/15 5°260/21 -7°260/24 -20°250/37 -33°270/42 -43°280/63 -52°
MCWused from 199 nm out; 55 nm from the line220/44250/30 17°230/14 12°240/17 6°250/22 -8°270/29 -20°250/34 -34°260/52 -43°260/59 -51°
DSMused from 249 nm out; 51 nm from the line230/40250/33 17°250/18 12°240/17 5°260/28 -8°270/34 -19°260/41 -33°260/55 -41°270/62 -51°
OMAused from 298 nm out; 73 nm from the line220/47240/33 19°250/18 11°230/17 6°260/29 -8°250/33 -19°250/51 -33°260/61 -40°270/62 -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

AirportWhereConditionsWindVisibilityCeilingElevationReported
ORD Chicago, IL departure VFR Sky: a few clouds at 30,000 feet from the south (190°) at 4 knots 10+ mi none 680 ft 12:51 am CDT (05:51 UTC)
ARR Chicago/Aurora, IL 20 nm out, 16 nm south of the line, tower VFR calm 10+ mi none 712 ft 05:52 UTC
RFD Chicago/Rockford, IL 50 nm out, 8 nm northwest of the line, tower VFR Sky: a broken layer at 25,000 feet calm 10+ mi 25,000 ft 742 ft 05:54 UTC
SFY Savanna, IL 99 nm out, 6 nm south of the line VFR from the south-southeast (160°) at 4 knots 10+ mi none 616 ft 06:35 UTC
DBQ Dubuque, IA 129 nm out, 13 nm north of the line, tower VFR from the south-southwest (200°) at 9 knots 10+ mi none 1,076 ft 05:53 UTC
ALO Waterloo, IA 199 nm out, 17 nm north of the line, tower VFR from the south (180°) at 8 knots 10+ mi none 873 ft 05:54 UTC
IFA Iowa Falls, IA 239 nm out, 9 nm north of the line VFR from the south-southeast (160°) at 8 knots 10+ mi none 1,137 ft 06:35 UTC
EBS Webster City, IA 268 nm out, 6 nm north of the line VFR from the south-southeast (160°) at 5 knots 10+ mi none 1,121 ft 06:35 UTC
SKI Sac City, IA 318 nm out, 3 nm east of the line no report just now 1,249 ft
IDG Ida Grove, IA 338 nm out, 4 nm southeast of the line no report just now 1,245 ft
SUX Sioux City, IA destination VFR from the southwest (220°) at 4 knots 9 mi none 1,098 ft 12:52 am CDT (05:52 UTC)

The highest airport on this list sits at 1,249 ft; the ground between airports is higher still. Check the sectional chart for the terrain and the minimum safe heights along the line.

At SUX when you get there the forecast at the estimated arrival, 5:19 am CDT (10:19 UTC)

Wind from the south at 5 knots, visibility more than 6 miles, low-level wind shear, a few clouds at 25,000 feet VFR

The whole forecast for SUX
  • From Mon 1:00 am CDT (06:00 UTC): wind from the south at 5 knots, visibility more than 6 miles, a few clouds at 25,000 feet
  • From Mon 2:00 am CDT (07:00 UTC): wind from the south at 5 knots, visibility more than 6 miles, low-level wind shear, a few clouds at 25,000 feet
  • From Mon 9:00 am CDT (14:00 UTC): wind from the south at 9 knots, visibility more than 6 miles, a broken layer at 25,000 feet
  • From Mon 12:00 pm CDT (17:00 UTC): wind from the west-southwest at 11 knots, gusting to 18, visibility more than 6 miles, a few clouds at 25,000 feet
  • From Mon 4:00 pm CDT (21:00 UTC): wind from the west at 11 knots, gusting to 19, visibility more than 6 miles, clear skies
  • From Mon 7:00 pm CDT (00:00 UTC): wind from the northwest at 11 knots, gusting to 18, visibility more than 6 miles, a few clouds at 25,000 feet
The forecast for ORD, the departure
  • From Mon 1:00 am CDT (06:00 UTC): wind from the south at 5 knots, visibility more than 6 miles, scattered clouds at 25,000 feet
  • From Mon 12:00 pm CDT (17:00 UTC): wind from the south-southwest at 13 knots, gusting to 24, visibility more than 6 miles, a few clouds at 25,000 feet
  • From Mon 6:00 pm CDT (23:00 UTC): wind from the southwest at 12 knots, visibility more than 6 miles, a few clouds at 12,000 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 ORD 6:15 pm CDT (23:15 UTC), at SUX 6:48 pm CDT (23:48 UTC) (civil twilight ends 7:16 pm CDT (00:16 UTC)). At 120 knots the arrival at SUX is before sunrise there (7:34 am CDT (12:34 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
Radar now, the upper Mississippi valley · loop National Weather Service
Radar, the whole country
Radar, the whole country · loop National Weather Service
Surface analysis now
Surface analysis now Weather Prediction Center
Forecast chart, 12 hours ahead
Forecast chart, 12 hours ahead Weather Prediction Center
Forecast chart, 24 hours ahead
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: Chicago O'Hare International, Sioux Gateway/Brig General Bud Day Field.