Chicago Midway International to St. George Regional MDW → SGU
1,223 nautical miles (1,408 statute miles) west on a straight line, true course 265°, about 269° magnetic at the departure end (variation 4W). At 120 knots that is 12 h 36 min at the quickest height in today's winds (8,500 ft, a 23-knot headwind), arriving about 5:38 pm MDT (23:38 UTC). Right now MDW is VFR, wind from the south-southwest (210°) at 7 knots; SGU is VFR, wind from the southeast (140°) 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: 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 139 to 587 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). Over the route from 706 to 786 nm out.
- AIRMET TANGO 4W: moderate turbulence above 18,000 ft (due to mountain wave) from 34,000 ft to 43,000 ft. Over the route from 726 to 1184 nm out.
- AIRMET TANGO 2W: moderate turbulence below 18,000 ft (due to mountain wave) up to 22,000 ft. Over the route from 776 to 975 nm out.
- AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the last 328 nm of the route.
- 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, 925 nm along the route.
- AIRMET TANGO 1W: moderate turbulence below 18,000 ft (due to mountain wave) up to 12,000 ft. Over the last 239 nm of the route.
- AIRMET SIERRA 2E: low cloud or poor visibility (IFR conditions) (due to ceilings below 1,000 ft, visibility below 3 miles, precipitation, mist). Near the route, at the destination end.
- AIRMET ZULU 2C: moderate icing up to 23,000 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 MDW.
Pilot reports along the route within 50 nm of the line, last three hours, the serious ones first
- B737 descending, 24 nm north, 3:10 am CDT (08:10 UTC): light chop turbulence. 776 nm along the route, 24 nm north of the line.
as filed, and in English
DEN UA /OV DEN/TM 0810/FLDURD/TP B737/TB LGT CHOP
- Report
- a routine report filed through DEN
- Where
- over DEN
- Time
- 08:10 UTC
- Height
- during the descent
- Aircraft
- B737
- Turbulence
- light chop
- B763 at 23,000 ft, 44 nm north, 5:26 am CDT (10:26 UTC): light chop turbulence, remarks: zdvwc. 806 nm along the route, 44 nm north of the line.
as filed, and in English
DEN UA /OV DEN278037/TM 1026/FL230/TP B763/TB OCNL LGT CHOP/RM ZDVWC
- Report
- a routine report filed through DEN
- Where
- 37 nm west (278°) of DEN
- Time
- 10:26 UTC
- Height
- at 23,000 ft
- Aircraft
- B763
- Turbulence
- occasional light chop
- Remarks
- zdvwc
- B38M at 22,000 ft, 6 nm south, 3:14 am CDT (08:14 UTC): no turbulence, remarks: zdvwc. 826 nm along the route, 6 nm south of the line.
as filed, and in English
DEN UA /OV DEN216059/TM 0814/FL220/TP B38M/TB NEG/RM ZDVWC
- Report
- a routine report filed through DEN
- Where
- 59 nm southwest (216°) of DEN
- Time
- 08:14 UTC
- Height
- at 22,000 ft
- Aircraft
- B38M
- Turbulence
- none
- Remarks
- zdvwc
- A359 at 38,000 ft, 34 nm south, 5:13 am CDT (10:13 UTC): light chop turbulence, remarks: ZDVWC-37. 915 nm along the route, 34 nm south of the line.
as filed, and in English
GUC UA /OV HBU185015/TM 1013/FL380/TP A359/TB CONS LGT CHOP/RM ZDVWC-37
- Report
- a routine report filed through GUC
- Where
- 15 nm south (185°) of HBU
- Time
- 10:13 UTC
- Height
- at 38,000 ft
- Aircraft
- A359
- Turbulence
- continuous light chop
- Remarks
- ZDVWC-37
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 10 forecast points nearest it (JOT, DBQ, BRL, DSM, OMA, GRI, GLD, DEN, GJT, BCE). 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 | 250° at 33 kt | +32 kt | 23 °C | 88 kt | 13 h 54 min | 6:56 pm MDT (00:56 UTC) |
| 6,500 ft | 250° at 29 kt | +28 kt | 18 °C | 92 kt | 13 h 18 min | 6:20 pm MDT (00:20 UTC) |
| 8,500 ft | 240° at 24 kt | +23 kt | 11 °C | 97 kt | 12 h 36 min | 5:38 pm MDT (23:38 UTC) |
| 10,500 ft | 230° at 25 kt | +23 kt | 6 °C | 97 kt | 12 h 36 min | 5:38 pm MDT (23:38 UTC) |
| 12,500 ft | 230° at 27 kt | +24 kt | 3 °C | 96 kt | 12 h 44 min | 5:46 pm MDT (23:46 UTC) |
| 14,500 ft | 230° at 31 kt | +28 kt | -2 °C | 92 kt | 13 h 18 min | 6:20 pm MDT (00:20 UTC) |
| 16,500 ft | 230° at 35 kt | +32 kt | -7 °C | 88 kt | 13 h 54 min | 6:56 pm MDT (00:56 UTC) |
| 18,000 ft FL180 | 230° at 38 kt | +35 kt | -10 °C | 85 kt | 14 h 23 min | 7:25 pm MDT (01:25 UTC) |
| 24,000 ft FL240 | 240° at 47 kt | +46 kt | -21 °C | 74 kt | 16 h 32 min | 9:34 pm MDT (03:34 UTC) |
| 30,000 ft FL300 | 240° at 58 kt | +57 kt | -32 °C | 63 kt | 19 h 25 min | 12:27 am MDT (06:27 UTC) |
| 34,000 ft FL340 | 250° at 64 kt | +65 kt | -37 °C | 55 kt | 22 h 14 min | 3:16 am MDT (09:16 UTC) |
| 39,000 ft FL390 | 250° at 62 kt | +64 kt | -46 °C | 56 kt | 21 h 50 min | 2:52 am MDT (08:52 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| JOT | used from 0 nm out; 15 nm from the line | 250/25 | 260/22 14° | 250/17 9° | 270/21 5° | 280/28 -8° | 280/36 -20° | 270/41 -35° | 280/57 -42° | 290/65 -50° |
| DBQ | used from 99 nm out; 51 nm from the line | 250/27 | 260/23 17° | 240/26 10° | 260/30 4° | 280/26 -9° | 280/36 -21° | 270/41 -36° | 280/52 -41° | 290/67 -48° |
| BRL | used from 149 nm out; 47 nm from the line | 250/32 | 250/19 17° | 260/15 11° | 270/16 3° | 290/23 -7° | 260/42 -20° | 270/52 -34° | 280/63 -39° | 290/64 -48° |
| DSM | used from 199 nm out; 45 nm from the line | 250/47 | 260/25 20° | 240/19 11° | 240/31 5° | 250/26 -9° | 260/38 -20° | 260/47 -34° | 270/58 -37° | 270/61 -47° |
| OMA | used from 298 nm out; 47 nm from the line | 230/47 | 240/33 21° | 230/22 13° | 220/27 5° | 240/35 -8° | 250/43 -21° | 260/47 -33° | 260/59 -36° | 270/58 -46° |
| GRI | used from 398 nm out; 59 nm from the line | 230/39 23° | 230/32 15° | 210/29 7° | 230/31 -8° | 230/43 -21° | 250/52 -31° | 260/59 -35° | 260/59 -46° | |
| GLD | used from 547 nm out; 87 nm from the line | 260/37 | 260/25 14° | 250/27 8° | 230/36 -8° | 230/49 -21° | 250/71 -30° | 260/82 -36° | 250/73 -48° | |
| DEN | used from 696 nm out; 61 nm from the line | 270/24 11° | 230/13 5° | 230/48 -8° | 230/46 -20° | 230/63 -30° | 240/78 -36° | 240/78 -48° | ||
| GJT | used from 845 nm out; 97 nm from the line | 220/26 6° | 230/39 0° | 220/55 -13° | 230/60 -23° | 230/78 -31° | 230/80 -35° | 230/74 -44° | ||
| BCE | used from 1044 nm out; 80 nm from the line | 200/32 -2° | 210/57 -15° | 220/71 -22° | 220/69 -30° | 220/64 -38° | 220/67 -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 |
|---|---|---|---|---|---|---|---|
| MDW Chicago, IL | departure | VFR Sky: a broken layer at 25,000 feet | from the south-southwest (210°) at 7 knots | 10+ mi | 25,000 ft | 619 ft | 5:53 am CDT (10:53 UTC) |
| ARR Chicago/Aurora, IL | 30 nm out, 3 nm northwest of the line, tower | VFR | from the south (180°) at 3 knots | 9 mi | none | 712 ft | 10:52 UTC |
| MLI Moline, IL | 129 nm out, 9 nm southeast of the line, tower | VFR | from the south-southwest (210°) at 5 knots | 10+ mi | none | 589 ft | 10:52 UTC |
| DSM Des Moines, IA | 269 nm out, 17 nm north of the line, tower | VFR Sky: a broken layer at 11,000 feet, a broken layer at 19,000 feet | from the south (190°) at 8 knots | 10+ mi | 11,000 ft | 957 ft | 10:54 UTC |
| LNK Lincoln, NE | 408 nm out, 2 nm west of the line, tower | VFR | from the south (190°) at 14 knots, gusting to 20 | 10+ mi | none | 1,218 ft | 10:54 UTC |
| MCK Mc Cook, NE | 587 nm out, 2 nm southwest of the line | VFR | from the south-southwest (210°) at 12 knots | 10+ mi | none | 2,582 ft | 10:53 UTC |
| RYA Wray, CO | 666 nm out, 12 nm north of the line | no report just now | 3,677 ft | ||||
| APA Denver, CO | 786 nm out, 13 nm northwest of the line, tower | VFR | from the south (170°) at 11 knots | 10+ mi | none | 5,884 ft | 10:53 UTC |
| ASE Aspen, CO | 885 nm out, 19 nm north of the line, tower | VFR Sky: overcast at 8,000 feet | variable at 4 knots | 10+ mi | 8,000 ft | 7,837 ft | 10:53 UTC |
| AZC Colorado City, AZ | 1204 nm out, 13 nm southeast of the line | VFR Sky: scattered clouds at 12,000 feet | from the east-northeast (070°) at 3 knots | 10+ mi | none | 4,873 ft | 10:55 UTC |
| SGU St George, UT | destination | VFR Sky: a few clouds at 10,000 feet | from the southeast (140°) at 9 knots | 10+ mi | none | 2,883 ft | 4:56 am MDT (10:56 UTC) |
The highest airport on this list sits at 7,837 ft; the ground between airports is higher still. Check the sectional chart for the terrain and the minimum safe heights along the line.
At SGU when you get there the forecast at the estimated arrival, 5:38 pm MDT (23:38 UTC)
Wind from the south-southwest at 14 knots, gusting to 24, visibility more than 6 miles, light rain showers, scattered clouds at 4,000 feet, a broken layer at 6,000 feet VFR
The whole forecast for SGU
- From Mon 12:00 am MDT (06:00 UTC): wind from the south-southeast at 8 knots, visibility more than 6 miles, scattered clouds at 4,000 feet, a broken layer at 8,000 feet
- 30% chance between Mon 1:00 am MDT (07:00 UTC) and 4:00 am MDT (10:00 UTC): wind variable at 10 knots, gusting to 20, light rain showers, a broken layer at 4,000 feet
- From Mon 8:00 am MDT (14:00 UTC): wind from the south-southeast at 12 knots, gusting to 20, visibility more than 6 miles, light rain showers, scattered clouds at 3,000 feet, a broken layer at 6,000 feet
- From Mon 4:00 pm MDT (22:00 UTC): wind from the south-southwest at 14 knots, gusting to 24, visibility more than 6 miles, light rain showers, scattered clouds at 4,000 feet, a broken layer at 6,000 feet
- From Mon 10:00 pm MDT (04:00 UTC): wind from the southeast at 8 knots, visibility more than 6 miles, light rain showers, scattered clouds at 4,000 feet, a broken layer at 6,000 feet
The forecast for MDW, the departure
- From Mon 4:00 am CDT (09:00 UTC): wind from the south-southwest at 6 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 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
- 6/8784 LAKE GEORGE, CO, Sunday, October 11, 2026 through Tuesday, October 13, 2026 UTC 13 nm from the route, 826 nm along the route · a hazard on the ground (fire-fighting, a chemical spill, rescue work) · until 13 October · ZDV
Daylight
Sunset at MDW 6:14 pm CDT (23:14 UTC), at SGU 7:00 pm MDT (01:00 UTC) (civil twilight ends 7:26 pm MDT (01:26 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
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 Midway International, St. George Regional.