Plan a flight · Mon 12:03 am PDT (07:03 UTC)

Portland International to City Of Colorado Springs Municipal PDX → COS

891 nautical miles (1,026 statute miles) east on a straight line, true course 111°, about 095° magnetic at the departure end (variation 16E). At 120 knots that is 6 h 27 min at the quickest height in today's winds (34,000 ft, a 18-knot tailwind), arriving about 7:30 am MDT (13:30 UTC). Right now PDX is VFR, wind variable at 3 knots; COS is VFR, wind from the west-southwest (240°) 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: 4 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 1W: moderate turbulence above 18,000 ft from 18,000 ft to 39,000 ft. Over the first 188 nm of the route.
AIRMET ZULU 2C: moderate icing up to 23,000 ft. Over the route from 99 to 198 nm out.
AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the route from 129 to 753 nm out.
AIRMET TANGO 1W: moderate turbulence above 18,000 ft from 18,000 ft to 36,000 ft. Over the route from 267 to 406 nm out.
AIRMET ZULU 2C: moderate icing up to 23,000 ft. Over the route from 317 to 683 nm out.
AIRMET TANGO 4W: moderate turbulence above 18,000 ft from 18,000 ft to 38,000 ft. Over the last 317 nm of the route.
AIRMET TANGO 4W: moderate turbulence below 18,000 ft up to 18,000 ft. Over the last 297 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). Over the last 238 nm of the route.
AIRMET TANGO 5W: strong surface winds (30 knots or more) (due to sustained surface winds greater than 30 knots). Over the route from 654 to 693 nm out.

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 PDX.

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

urgent E75L at 9,000 ft, 33 nm southwest, 9:30 pm PDT (04:30 UTC): remarks: low-level wind shear + 20K 1000-1500 above ground on approach. 792 nm along the route, 33 nm southwest of the line.
as filed, and in English
```
ASE UUA /OV ASE/TM 0430/FL090/TP E75L/RM LLWS +/- 20K 1000-1500 AGL ON APCH
```
Report
an urgent report filed through ASE
Where
over ASE
Time
04:30 UTC
Height
at 9,000 ft
Aircraft
E75L
Remarks
low-level wind shear + 20K 1000-1500 above ground on approach
A321 at 31,000 ft, 9 nm north, 11:41 pm PDT (06:41 UTC): moderate turbulence, remarks: mtw +/-15KT zdvwc. At the destination end, 9 nm north of the line.
as filed, and in English
```
COS UA /OV BRK/TM 0641/FL310/TP A321/TB MOD/RM MTW +/-15KT. ZDVWC
```
Report
a routine report filed through COS
Where
over BRK
Time
06:41 UTC
Height
at 31,000 ft
Aircraft
A321
Turbulence
moderate
Remarks
mtw +/-15KT zdvwc
E175 at 6,300 ft, 29 nm northeast, 9:20 pm PDT (04:20 UTC): overcast above 6,300 ft, remarks: during the descent runway 31. 376 nm along the route, 29 nm northeast of the line.
as filed, and in English
```
SUN UA /OV KSUN/TM 0420/FL063/TP E175/SK OVC063-TOPUNKN/RM DURD RY31
```
Report
a routine report filed through SUN
Where
over KSUN
Time
04:20 UTC
Height
at 6,300 ft
Aircraft
E175
Sky
overcast from 6,300 ft, tops unknown
Remarks
during the descent runway 31
B738 at 23,000 ft, 4 nm south, 11:23 pm PDT (06:23 UTC): no turbulence from 23,000 ft to 26,000 ft, clear from 23,000 ft to 60,000 ft, remarks: during the descent sskii star ZDVWC-06. 832 nm along the route, 4 nm south of the line.
as filed, and in English
```
DEN UA /OV DEN230060/TM 0623/FL230/TP B738/SK SKC/TB NEG 230-260/RM DURD SSKII STAR. ZDVWC-06
```
Report
a routine report filed through DEN
Where
60 nm southwest (230°) of DEN
Time
06:23 UTC
Height
at 23,000 ft
Aircraft
B738
Sky
clear
Turbulence
no from 23,000 ft to 26,000 ft
Remarks
during the descent sskii star ZDVWC-06
A20N at 25,000 ft, 20 nm north, 11:19 pm PDT (06:19 UTC): light chop turbulence up to 26,000 ft, remarks: during the climb ZDVWC-06. 832 nm along the route, 20 nm north of the line.
as filed, and in English
```
DEN UA /OV DEN250045/TM 0619/FL250/TP A20N/TB OCNL LGT CHOP BLO 260/RM DURC. ZDVWC-06
```
Report
a routine report filed through DEN
Where
45 nm west (250°) of DEN
Time
06:19 UTC
Height
at 25,000 ft
Aircraft
A20N
Turbulence
occasional light chop below 26,000 ft
Remarks
during the climb ZDVWC-06
CRJ2 at 22,000 ft, 7 nm south, 11:35 pm PDT (06:35 UTC): no turbulence up to 26,000 ft, no icing, clear from 22,000 ft to 60,000 ft, remarks: during the descent ZDVWC-26. 842 nm along the route, 7 nm south of the line.
as filed, and in English
```
DEN UA /OV DEN220060/TM 0635/FL220/TP CRJ2/SK SKC/TB NEG BLO 260/IC NEG/RM DURD/ ZDVWC-26
```
Report
a routine report filed through DEN
Where
60 nm southwest (220°) of DEN
Time
06:35 UTC
Height
at 22,000 ft
Aircraft
CRJ2
Sky
clear
Turbulence
no below 26,000 ft
Icing
none
Remarks
during the descent ZDVWC-26
E170 at 22,500 ft, 5 nm southwest, 10:06 pm PDT (05:06 UTC): light to moderate turbulence up to 23,000 ft, remarks: during the descent tbarr star ZDVWC-13. 852 nm along the route, 5 nm southwest of the line.
as filed, and in English
```
DEN UA /OV DEN216057/TM 0506/FL225/TP E170/TB CONS LGT OCNL MOD BLO 230/RM DURD TBARR STAR. ZDVWC-13
```
Report
a routine report filed through DEN
Where
57 nm southwest (216°) of DEN
Time
05:06 UTC
Height
at 22,500 ft
Aircraft
E170
Turbulence
continuous light occasional moderate below 23,000 ft
Remarks
during the descent tbarr star ZDVWC-13

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 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 9 forecast points nearest it (PDX, RDM, BOI, PIH, SLC, RKS, GJT, DEN, PUB). A plus sign is a headwind, a minus sign a tailwind.

Height	Average wind	Head- or tailwind	Temperature	Ground speed	Time en route	Arrival
5,500 ft	010° at 5 kt	−1 kt	1 °C	121 kt	7 h 22 min	8:25 am MDT (14:25 UTC)
7,500 ft	220° at 9 kt	−1 kt	2 °C	121 kt	7 h 22 min	8:25 am MDT (14:25 UTC)
9,500 ft	230° at 10 kt	−3 kt	-1 °C	123 kt	7 h 15 min	8:18 am MDT (14:18 UTC)
11,500 ft	240° at 15 kt	−7 kt	-4 °C	127 kt	7 h 01 min	8:04 am MDT (14:04 UTC)
13,500 ft	240° at 18 kt	−7 kt	-7 °C	127 kt	7 h 01 min	8:04 am MDT (14:04 UTC)
15,500 ft	230° at 21 kt	−7 kt	-10 °C	127 kt	7 h 01 min	8:04 am MDT (14:04 UTC)
17,500 ft	230° at 24 kt	−7 kt	-14 °C	127 kt	7 h 01 min	8:04 am MDT (14:04 UTC)
18,000 ft FL180	230° at 25 kt	−7 kt	-15 °C	127 kt	7 h 01 min	8:04 am MDT (14:04 UTC)
24,000 ft FL240	230° at 32 kt	−9 kt	-25 °C	129 kt	6 h 54 min	7:57 am MDT (13:57 UTC)
30,000 ft FL300	240° at 36 kt	−15 kt	-31 °C	135 kt	6 h 36 min	7:39 am MDT (13:39 UTC)
34,000 ft FL340	230° at 43 kt	−18 kt	-35 °C	138 kt	6 h 27 min	7:30 am MDT (13:30 UTC)
39,000 ft FL390	230° at 45 kt	−17 kt	-42 °C	137 kt	6 h 30 min	7:33 am MDT (13:33 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
PDX	used from 0 nm out; 25 nm from the line	L/V	030/7 1°	020/12 -6°	020/29 -9°	010/69 -16°	010/81 -25°	360/83 -40°	360/67 -46°	320/29 -42°
RDM	used from 50 nm out; 54 nm from the line		040/17 -1°	030/31 -8°	010/29 -12°	010/61 -19°	360/95 -25°	360/82 -36°	360/40 -37°	310/19 -40°
BOI	used from 198 nm out; 76 nm from the line		300/7 2°	280/5 -4°	210/16 -9°	210/60 -20°	210/75 -29°	210/63 -32°	220/64 -32°	220/54 -39°
PIH	used from 396 nm out; 48 nm from the line		L/V	240/13 1°	240/15 -3°	210/42 -15°	200/70 -25°	220/74 -29°	220/71 -36°	220/62 -43°
SLC	used from 545 nm out; 74 nm from the line		200/5	230/8 2°	220/20 -2°	210/40 -12°	190/53 -25°	210/62 -30°	220/69 -34°	220/64 -43°
RKS	used from 594 nm out; 41 nm from the line			200/41	220/44 1°	220/35 -11°	220/46 -24°	210/53 -27°	220/62 -35°	230/61 -44°
GJT	used from 693 nm out; 79 nm from the line			210/43 7°	230/45 1°	220/49 -12°	220/62 -22°	220/59 -28°	230/60 -33°	220/55 -45°
DEN	used from 792 nm out; 68 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°
PUB	used from 842 nm out; 54 nm from the line			230/25 13°	230/32 6°	220/44 -8°	230/49 -21°	240/70 -28°	240/67 -34°	240/58 -46°

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
PDX Portland, OR	departure	VFR	variable at 3 knots	10+ mi	none	30 ft	11:53 pm PDT (06:53 UTC)
CZK Cascade Locks, OR	30 nm out, 16 nm north of the line	no report just now				151 ft
GCD John Day, OR	168 nm out, 8 nm south of the line	VFR Sky: scattered clouds at 3,200 feet, overcast at 6,500 feet	calm	10+ mi	6,500 ft	3,702 ft	06:55 UTC
ONO Ontario, OR	258 nm out, 6 nm north of the line	VFR Sky: a few clouds at 12,000 feet	from the west-northwest (300°) at 7 knots, gusting to 16	10+ mi	none	2,193 ft	06:53 UTC
BOI Boise, ID	297 nm out, 5 nm south of the line, tower	VFR Sky: overcast at 9,000 feet	from the west-northwest (290°) at 10 knots	10+ mi	9,000 ft	2,871 ft	06:53 UTC
BYI Burley, ID	426 nm out, 13 nm southwest of the line	VFR Sky: overcast at 3,900 feet Weather: light rain	from the west (280°) at 9 knots, gusting to 19	10+ mi	3,900 ft	4,153 ft	06:53 UTC
MLD Malad City, ID	495 nm out, 5 nm west of the line	no report just now				4,503 ft
FBR Fort Bridger, WY	584 nm out, 4 nm south of the line	VFR Sky: scattered clouds at 6,000 feet, a broken layer at 7,000 feet, overcast at 8,500 feet	from the west (270°) at 9 knots	10+ mi	7,000 ft	7,038 ft	06:55 UTC
EGE Eagle, CO	773 nm out, 13 nm south of the line, tower	VFR Sky: scattered clouds at 8,500 feet	from the east-southeast (110°) at 7 knots	10+ mi	none	6,547 ft	06:56 UTC
LXV Leadville, CO	812 nm out, 20 nm southwest of the line	VFR Sky: a broken layer at 9,000 feet	from the south (180°) at 13 knots, gusting to 20	10+ mi	9,000 ft	9,933 ft	06:53 UTC
COS Colorado Springs, CO	destination	VFR Sky: a few clouds at 14,000 feet, a few clouds at 20,000 feet	from the west-southwest (240°) at 7 knots	10+ mi	none	6,187 ft	12:54 am MDT (06:54 UTC)

The highest airport on this list sits at 9,933 ft; the ground between airports is higher still. Check the sectional chart for the terrain and the minimum safe heights along the line.

At COS when you get there the forecast at the estimated arrival, 7:30 am MDT (13:30 UTC)

Wind from the north-northeast at 8 knots, visibility more than 6 miles, clear skies VFR

The whole forecast for COS

From Mon 12:00 am MDT (06:00 UTC): wind from the south at 12 knots, visibility more than 6 miles, scattered clouds at 6,000 feet, a broken layer at 20,000 feet
From Mon 6:00 am MDT (12:00 UTC): wind from the north-northeast at 8 knots, visibility more than 6 miles, clear skies
From Mon 11:00 am MDT (17:00 UTC): wind from the south at 15 knots, gusting to 25, visibility more than 6 miles, scattered clouds at 12,000 feet
From Mon 1:00 pm MDT (19:00 UTC): wind from the south-southwest at 20 knots, gusting to 30, visibility more than 6 miles, scattered clouds at 12,000 feet
From Mon 7:00 pm MDT (01:00 UTC): wind from the south-southwest at 12 knots, visibility more than 6 miles, clear skies

The forecast for PDX, the departure

From Sun 11:00 pm PDT (06:00 UTC): wind light and variable, visibility more than 6 miles, clear skies
From Mon 3:00 pm PDT (22:00 UTC): wind from the west-northwest at 5 knots, visibility more than 6 miles, clear skies

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 8 nm from the route, at the destination end · a hazard on the ground (fire-fighting, a chemical spill, rescue work) · until 13 October · ZDV

Daylight

Sunset at PDX 6:28 pm PDT (01:28 UTC), at COS 6:23 pm MDT (00:23 UTC) (civil twilight ends 6:50 pm MDT (00:50 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 Pacific Northwest · loop National Weather Service

Radar now, the northern Rockies · loop National Weather Service

Radar now, the southern Rockies · 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: Portland International, City Of Colorado Springs Municipal.