Ann Arbor Municipal to Rocky Mountain Metro Airport ARB → BJC
975 nautical miles (1,122 statute miles) west on a straight line, true course 269°, about 274° magnetic at the departure end (variation 5W). At 120 knots that is 9 h 28 min at the quickest height in today's winds (12,500 ft, a 17-knot headwind), arriving about 6:54 am MDT (12:54 UTC), after sunset at the destination. Right now BJC is VFR, wind from the south-southwest (200°) at 7 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: 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 3E: low cloud or poor visibility (IFR conditions) (due to ceilings below 1,000 ft, visibility below 3 miles, precipitation, mist). Over the first 119 nm of the route.
- 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 route from 418 to 865 nm out.
- AIRMET TANGO 4W: moderate turbulence above 18,000 ft from 18,000 ft to 36,000 ft. Over the last 129 nm of the route.
- AIRMET TANGO 4W: moderate turbulence below 18,000 ft up to 18,000 ft. Over the last 80 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 ARB.
Pilot reports along the route within 50 nm of the line, last three hours, the serious ones first
- A320 at 33,000 ft, 6 nm north, 8:36 pm EDT (00:36 UTC): moderate turbulence above 33,000 ft, remarks: zob. 60 nm along the route, 6 nm north of the line.
as filed, and in English
JXN UA /OV JXN280030/TM 0036/FL330/TP A320/TB OCNL MOD 330/RM ZOB
- Report
- a routine report filed through JXN
- Where
- 30 nm west (280°) of JXN
- Time
- 00:36 UTC
- Height
- at 33,000 ft
- Aircraft
- A320
- Turbulence
- occasional moderate at 33,000 ft
- Remarks
- zob
- B738 at 23,000 ft, 8 nm northwest, 10:34 pm EDT (02:34 UTC): moderate turbulence, remarks: during the climb ZDVWC-05. At the destination end, 8 nm northwest of the line.
as filed, and in English
DEN UA /OV DVV270030/TM 0234/FL230/TP B738/TB MOD /RM DURC ZDVWC-05
- Report
- a routine report filed through DEN
- Where
- 30 nm west (270°) of DVV
- Time
- 02:34 UTC
- Height
- at 23,000 ft
- Aircraft
- B738
- Turbulence
- moderate
- Remarks
- during the climb ZDVWC-05
- GLF4 at 25,000 ft, 26 nm southwest, 10:05 pm EDT (02:05 UTC): moderate turbulence, remarks: during the climb ZDVWC-05. At the destination end, 26 nm southwest of the line.
as filed, and in English
DEN UA /OV FQF250040/TM 0205/FL250/TP GLF4/TB MOD /RM DURC ZDVWC-05
- Report
- a routine report filed through DEN
- Where
- 40 nm west (250°) of FQF
- Time
- 02:05 UTC
- Height
- at 25,000 ft
- Aircraft
- GLF4
- Turbulence
- moderate
- Remarks
- during the climb ZDVWC-05
- BCS1 at 24,000 ft, 8 nm northwest, 9:30 pm EDT (01:30 UTC): moderate turbulence from 22,000 ft to 24,000 ft, remarks: during the climb ZDVWC-05. At the destination end, 8 nm northwest of the line.
as filed, and in English
DEN UA /OV DVV270030/TM 0130/FL240/TP BCS1/TB MOD 220-240/RM DURC ZDVWC-05
- Report
- a routine report filed through DEN
- Where
- 30 nm west (270°) of DVV
- Time
- 01:30 UTC
- Height
- at 24,000 ft
- Aircraft
- BCS1
- Turbulence
- moderate from 22,000 ft to 24,000 ft
- Remarks
- during the climb ZDVWC-05
- PA44 descending, 38 nm south, 10:27 pm EDT (02:27 UTC): a broken layer from 900 ft to 1,500 ft; a broken layer from 2,600 ft to 3,500 ft, fog. At the departure end, 38 nm south of the line.
as filed, and in English
TOL UA /OV TOL/TM 0227/FLDURD/TP PA44/SK BKN009 TOPS015 BKN026 TOPS035/WX FG
- Report
- a routine report filed through TOL
- Where
- over TOL
- Time
- 02:27 UTC
- Height
- during the descent
- Aircraft
- PA44
- Sky
- BKN009 TOPS015 BKN026 TOPS035
- Weather
- fog
- C25B at 2,000 ft, 30 nm northeast, 10:18 pm EDT (02:18 UTC): a routine report with nothing remarked on. At the departure end, 30 nm northeast of the line.
as filed, and in English
PTK UA /OV 2 W/TM 0218/FL020/TP C25B/SK BASES 020 OVC
- Report
- a routine report filed through PTK
- Where
- 2 west
- Time
- 02:18 UTC
- Height
- at 2,000 ft
- Aircraft
- C25B
- Sky
- bases 2,000 ft overcast
- A320 descending, 45 nm north, 10:09 pm EDT (02:09 UTC): overcast from 1,600 ft to 3,000 ft, remarks: on final runway 18 fnt. At the departure end, 45 nm north of the line.
as filed, and in English
FNT UA /OV FNT/TM 0209/FLDURD/TP A320/SK OVC016 - TOP030/RM ON FINAL RY18 FNT
- Report
- a routine report filed through FNT
- Where
- over FNT
- Time
- 02:09 UTC
- Height
- during the descent
- Aircraft
- A320
- Sky
- overcast from 1,600 ft, tops 3,000 ft
- Remarks
- on final runway 18 fnt
- CRJ7 at 600 ft, 17 nm east, 10:07 pm EDT (02:07 UTC): a broken layer above 1,500 ft. At the departure end, 17 nm east of the line.
as filed, and in English
DTW UA /OV DTW/TM 0207/FLSFC/TP CRJ7/SK BKN 015
- Report
- a routine report filed through DTW
- Where
- over DTW
- Time
- 02:07 UTC
- Height
- at the surface
- Aircraft
- CRJ7
- Sky
- a broken layer from 1,500 ft
- C525 descending, 38 nm south, 9:41 pm EDT (01:41 UTC): a routine report with nothing remarked on. At the departure end, 38 nm south of the line.
as filed, and in English
TOL UA /OV TOL/TM 0141/FLDURD/TP C525/SK TOPS035 BKN010/WX 2SM
- Report
- a routine report filed through TOL
- Where
- over TOL
- Time
- 01:41 UTC
- Height
- during the descent
- Aircraft
- C525
- Sky
- TOPS035 BKN010
- Weather
- 2SM
- SR22 at 1,300 ft, 29 nm northeast, 9:25 pm EDT (01:25 UTC): a routine report with nothing remarked on. At the departure end, 29 nm northeast of the line.
as filed, and in English
PTK UA /OV PTK270003/TM 0125/FL013/TP SR22/SK BASES 019 OVC
- Report
- a routine report filed through PTK
- Where
- 3 nm west (270°) of PTK
- Time
- 01:25 UTC
- Height
- at 1,300 ft
- Aircraft
- SR22
- Sky
- bases 1,900 ft overcast
- CRJ7 descending, 17 nm east, 9:01 pm EDT (01:01 UTC): overcast above 2,800 ft. At the departure end, 17 nm east of the line.
as filed, and in English
DTW UA /OV FINAL 3R /TM 0101/FLDURD/TP CRJ7/SK OVC 028
- Report
- a routine report filed through DTW
- Where
- final 3R
- Time
- 01:01 UTC
- Height
- during the descent
- Aircraft
- CRJ7
- Sky
- overcast from 2,800 ft
- C550 at 2,300 ft, 30 nm northeast, 8:46 pm EDT (00:46 UTC): remarks: fis 4 mile final. At the departure end, 30 nm northeast of the line.
as filed, and in English
PTK UA /OV 4W/TM 0046/FL023/TP C550/RM FIS 4 MILE FINAL
- Report
- a routine report filed through PTK
- Where
- 4W
- Time
- 00:46 UTC
- Height
- at 2,300 ft
- Aircraft
- C550
- Remarks
- fis 4 mile final
- A320 descending, 44 nm north, 9:35 pm EDT (01:35 UTC): overcast from 1,900 ft to 3,000 ft, remarks: on final runway 09 fnt. At the departure end, 44 nm north of the line.
as filed, and in English
FNT UA /OV FNT270008/TM 0135/FLDURD/TP A320/SK OVC019 - TOP030/RM ON FINAL RY09 FNT
- Report
- a routine report filed through FNT
- Where
- 8 nm west (270°) of FNT
- Time
- 01:35 UTC
- Height
- during the descent
- Aircraft
- A320
- Sky
- overcast from 1,900 ft, tops 3,000 ft
- Remarks
- on final runway 09 fnt
- E170 at 21,000 ft, 15 nm north, 9:07 pm EDT (01:07 UTC): light chop turbulence, remarks: during the climb zob. 40 nm along the route, 15 nm north of the line.
as filed, and in English
LAN UA /OV LAN180020/TM 0107/FL210/TP E170/TB LGHT CHOP/RM DURC ZOB
- Report
- a routine report filed through LAN
- Where
- 20 nm south (180°) of LAN
- Time
- 01:07 UTC
- Height
- at 21,000 ft
- Aircraft
- E170
- Turbulence
- lght chop
- Remarks
- during the climb zob
8 more routine reports are on the map.
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 9 forecast points nearest it (FWA, MKG, JOT, DBQ, DSM, OMA, GRI, GLD, DEN). 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 32 kt | +30 kt | 21 °C | 90 kt | 10 h 50 min | 8:16 am MDT (14:16 UTC) |
| 6,500 ft | 250° at 28 kt | +27 kt | 16 °C | 93 kt | 10 h 29 min | 7:55 am MDT (13:55 UTC) |
| 8,500 ft | 250° at 21 kt | +21 kt | 12 °C | 99 kt | 9 h 51 min | 7:17 am MDT (13:17 UTC) |
| 10,500 ft | 240° at 18 kt | +18 kt | 9 °C | 102 kt | 9 h 34 min | 7:00 am MDT (13:00 UTC) |
| 12,500 ft | 240° at 17 kt | +17 kt | 5 °C | 103 kt | 9 h 28 min | 6:54 am MDT (12:54 UTC) |
| 14,500 ft | 250° at 19 kt | +19 kt | 0 °C | 101 kt | 9 h 39 min | 7:05 am MDT (13:05 UTC) |
| 16,500 ft | 250° at 22 kt | +22 kt | -4 °C | 98 kt | 9 h 57 min | 7:23 am MDT (13:23 UTC) |
| 18,000 ft FL180 | 260° at 23 kt | +24 kt | -8 °C | 96 kt | 10 h 09 min | 7:35 am MDT (13:35 UTC) |
| 24,000 ft FL240 | 260° at 29 kt | +29 kt | -20 °C | 91 kt | 10 h 43 min | 8:09 am MDT (14:09 UTC) |
| 30,000 ft FL300 | 260° at 41 kt | +42 kt | -33 °C | 78 kt | 12 h 30 min | 9:56 am MDT (15:56 UTC) |
| 34,000 ft FL340 | 270° at 49 kt | +50 kt | -40 °C | 70 kt | 13 h 56 min | 11:22 am MDT (17:22 UTC) |
| 39,000 ft FL390 | 280° at 56 kt | +56 kt | -49 °C | 64 kt | 15 h 14 min | 12:40 pm MDT (18:40 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
| Point | From | 3,000 | 6,000 | 9,000 | 12,000 | 18,000 | 24,000 | 30,000 | 34,000 | 39,000 |
|---|---|---|---|---|---|---|---|---|---|---|
| FWA | used from 0 nm out; 84 nm from the line | 300/17 | 320/20 16° | 330/20 10° | 340/15 3° | 310/27 -8° | 320/37 -20° | 330/52 -36° | 330/65 -43° | 330/60 -50° |
| MKG | used from 50 nm out; 69 nm from the line | 260/22 | 290/16 15° | 300/11 10° | 290/5 3° | 300/26 -9° | 300/32 -20° | 320/48 -36° | 320/61 -45° | 310/74 -53° |
| JOT | used from 149 nm out; 42 nm from the line | 250/23 | 270/22 15° | 250/16 10° | 240/9 4° | 280/22 -7° | 280/29 -19° | 300/29 -34° | 290/50 -43° | 300/64 -52° |
| DBQ | used from 249 nm out; 45 nm from the line | 230/33 | 250/30 16° | 280/15 9° | 260/15 5° | 260/21 -7° | 260/24 -20° | 250/37 -33° | 270/42 -43° | 280/63 -52° |
| DSM | used from 398 nm out; 24 nm from the line | 230/40 | 250/33 17° | 250/18 12° | 240/17 5° | 260/28 -8° | 270/34 -19° | 260/41 -33° | 260/55 -41° | 270/62 -51° |
| OMA | used from 497 nm out; 25 nm from the line | 220/47 | 240/33 19° | 250/18 11° | 230/17 6° | 260/29 -8° | 250/33 -19° | 250/51 -33° | 260/61 -40° | 270/62 -49° |
| GRI | used from 597 nm out; 37 nm from the line | 230/35 21° | 230/23 13° | 220/20 7° | 240/25 -8° | 240/37 -20° | 250/49 -33° | 260/57 -38° | 260/58 -47° | |
| GLD | used from 746 nm out; 91 nm from the line | 230/49 | 230/42 15° | 220/26 8° | 240/18 -7° | 230/27 -21° | 240/62 -30° | 240/61 -35° | 250/57 -47° | |
| DEN | used from 895 nm out; 37 nm from the line | 240/21 14° | 250/44 6° | 220/49 -8° | 220/49 -21° | 230/54 -30° | 240/57 -35° | 240/49 -45° |
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 |
|---|---|---|---|---|---|---|---|
| ARB Ann Arbor, MI | departure | reported, no category | calm | none | 839 ft | 10:53 pm EDT (02:53 UTC) | |
| AZO Kalamazoo, MI | 80 nm out, 3 nm north of the line, tower | VFR | from the south-southeast (150°) at 3 knots | 8 mi | none | 873 ft | 02:53 UTC |
| PWK Chicago/Prospect Heights/Wheeling, IL | 189 nm out, 4 nm east of the line, tower | VFR Sky: a few clouds at 11,000 feet | from the south-southeast (160°) at 3 knots | 10+ mi | none | 644 ft | 02:52 UTC |
| DPA Chicago/West Chicago, IL | 199 nm out, 10 nm south of the line, tower | VFR | from the south (170°) at 3 knots | 10+ mi | none | 758 ft | 02:52 UTC |
| CID Cedar Rapids, IA | 358 nm out, 4 nm northeast of the line, tower | VFR | from the south (180°) at 6 knots | 10+ mi | none | 869 ft | 02:52 UTC |
| DSM Des Moines, IA | 448 nm out, 8 nm southeast of the line, tower | VFR Sky: a broken layer at 23,000 feet | from the south (190°) at 8 knots | 10+ mi | 23,000 ft | 957 ft | 02:54 UTC |
| OMA Omaha, NE | 547 nm out, 7 nm south of the line, tower | VFR Sky: a broken layer at 25,000 feet | from the south-southeast (160°) at 10 knots | 10+ mi | 25,000 ft | 984 ft | 02:52 UTC |
| GRI Grand Island, NE | 656 nm out, 8 nm south of the line, tower | VFR | from the south (170°) at 9 knots | 10+ mi | none | 1,847 ft | 02:53 UTC |
| CZD Cozad, NE | 736 nm out, 3 nm northeast of the line | no report just now | 2,503 ft | ||||
| IML Imperial, NE | 806 nm out, 6 nm southwest of the line | VFR | from the south-southeast (150°) at 7 knots | 10+ mi | none | 3,276 ft | 02:53 UTC |
| DEN Denver, CO | 955 nm out, 8 nm south of the line, tower | VFR Sky: a few clouds at 14,000 feet, a broken layer at 22,000 feet | from the south-southwest (200°) at 16 knots | 10+ mi | 22,000 ft | 5,433 ft | 02:53 UTC |
| BJC Denver, CO | destination | VFR | from the south-southwest (200°) at 7 knots | 10+ mi | none | 5,673 ft | 9:15 pm MDT (03:15 UTC) |
The highest airport on this list sits at 5,673 ft; the ground between airports is higher still. Check the sectional chart for the terrain and the minimum safe heights along the line.
At BJC when you get there the forecast at the estimated arrival, 6:54 am MDT (12:54 UTC)
Wind light and variable, visibility more than 6 miles, clear skies VFR
The whole forecast for BJC
- From Sun 8:00 pm MDT (02:00 UTC): wind from the south-southwest at 11 knots, visibility more than 6 miles, a few clouds at 10,000 feet, scattered clouds at 20,000 feet
- From Sun 10:00 pm MDT (04:00 UTC): wind from the south at 10 knots, visibility more than 6 miles, a few clouds at 22,000 feet
- From Mon 6:00 am MDT (12:00 UTC): wind light and variable, visibility more than 6 miles, clear skies
- From Mon 4:00 pm MDT (22:00 UTC): wind from the north at 10 knots, visibility more than 6 miles, clear skies
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 ARB 6:58 pm EDT (22:58 UTC), at BJC 6:25 pm MDT (00:25 UTC) (civil twilight ends 6:52 pm MDT (00:52 UTC)). At 120 knots the arrival at BJC is before sunrise there (7:07 am MDT (13:07 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: Ann Arbor Municipal, Rocky Mountain Metro Airport.
