Plan a flight · Mon 2:03 am PDT (09:03 UTC)

Spokane International to City Of Colorado Springs Municipal GEG → COS

770 nautical miles (886 statute miles) southeast on a straight line, true course 129°, about 115° magnetic at the departure end (variation 14E). At 120 knots that is 6 h 16 min at the quickest height in today's winds (7,500 ft, a 3-knot tailwind), arriving about 9:19 am MDT (15:19 UTC). Right now GEG is VFR, wind from the northeast (040°) at 5 knots; COS is VFR, wind from the south (180°) at 11 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 ZULU 2C: moderate icing up to 18,000 ft. Over the first 250 nm of the route.
AIRMET TANGO 1W: moderate turbulence above 18,000 ft from 18,000 ft to 39,000 ft. Over the first 220 nm of the route.
AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the route from 60 to 670 nm out.
AIRMET SIERRA 4E: low cloud or poor visibility (IFR conditions) (due to ceilings below 1,000 ft, visibility below 3 miles, precipitation, mist). Over the route from 80 to 410 nm out.
AIRMET ZULU 2C: moderate icing up to 23,000 ft. Over the route from 260 to 660 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 last 290 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 route from 500 to 760 nm out.
AIRMET TANGO 2W: moderate turbulence below 18,000 ft (due to mountain wave) up to 22,000 ft. Over the last 220 nm of the route.
AIRMET TANGO 5W: strong surface winds (30 knots or more) (due to sustained surface winds greater than 30 knots). Near the route, 580 nm along 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 GEG.

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

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
A20N at 25,000 ft, 5 nm east, 11:19 pm PDT (06:19 UTC): light chop turbulence up to 26,000 ft, remarks: during the climb ZDVWC-06. 700 nm along the route, 5 nm east 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
B738 at 23,000 ft, 17 nm southwest, 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. 720 nm along the route, 17 nm southwest 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
B38M at 22,000 ft, 17 nm southwest, 1:14 am PDT (08:14 UTC): no turbulence, remarks: zdvwc. 730 nm along the route, 17 nm southwest 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
B737 descending, 42 nm northeast, 1:10 am PDT (08:10 UTC): light chop turbulence. 730 nm along the route, 42 nm northeast 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
B737 descending, 42 nm northeast, 12:10 am PDT (07:10 UTC): remarks: smooth. 730 nm along the route, 42 nm northeast of the line.
as filed, and in English
```
DEN UA /OV DEN/TM 0710/FLDURD/TP B737/RM SMOOTH
```
Report
a routine report filed through DEN
Where
over DEN
Time
07:10 UTC
Height
during the descent
Aircraft
B737
Remarks
smooth
CRJ2 at 22,000 ft, 18 nm southwest, 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. 730 nm along the route, 18 nm southwest 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
B738 descending, 42 nm northeast, 11:15 pm PDT (06:15 UTC): light chop turbulence. 730 nm along the route, 42 nm northeast of the line.
as filed, and in English
```
DEN UA /OV DEN/TM 0615/FLDURD/TP B738/TB LGT CHOP
```
Report
a routine report filed through DEN
Where
over DEN
Time
06:15 UTC
Height
during the descent
Aircraft
B738
Turbulence
light chop
B38M at 37,000 ft, 39 nm southwest, 12:42 am PDT (07:42 UTC): light chop turbulence, remarks: mtw +/-7KT zdvwc. At the destination end, 39 nm southwest of the line.
as filed, and in English
```
PUB UA /OV PUB280055/TM 0742/FL370/TP B38M/TB LGT CHOP/RM MTW +/-7KT. ZDVWC
```
Report
a routine report filed through PUB
Where
55 nm west (280°) of PUB
Time
07:42 UTC
Height
at 37,000 ft
Aircraft
B38M
Turbulence
light chop
Remarks
mtw +/-7KT zdvwc
A21N at 33,000 ft, 9 nm north, 11:59 pm PDT (06:59 UTC): light chop turbulence, remarks: mtw a 10-knot loss of airspeed 100FT zdvwc. At the destination end, 9 nm north of the line.
as filed, and in English
```
COS UA /OV BRK/TM 0659/FL330/TP A21N/TB LGT CHOP/RM MTW +/-10KT 100FT. ZDVWC
```
Report
a routine report filed through COS
Where
over BRK
Time
06:59 UTC
Height
at 33,000 ft
Aircraft
A21N
Turbulence
light chop
Remarks
mtw a 10-knot loss of airspeed 100FT zdvwc
A320 at 31,000 ft, 42 nm southwest, 11:58 pm PDT (06:58 UTC): light chop turbulence, remarks: mtw a 10-knot loss of airspeed 100FT zdvwc. At the destination end, 42 nm southwest of the line.
as filed, and in English
```
PUB UA /OV PUB260040/TM 0658/FL310/TP A320/TB LGT CHOP/RM MTW +/-10KT 100FT. ZDVWC
```
Report
a routine report filed through PUB
Where
40 nm west (260°) of PUB
Time
06:58 UTC
Height
at 31,000 ft
Aircraft
A320
Turbulence
light chop
Remarks
mtw a 10-knot loss of airspeed 100FT zdvwc

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 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 8 forecast points nearest it (GEG, LWS, DLN, PIH, LND, RKS, 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
7,500 ft	240° at 8 kt	−3 kt	1 °C	123 kt	6 h 16 min	9:19 am MDT (15:19 UTC)
9,500 ft	230° at 10 kt	−1 kt	0 °C	121 kt	6 h 22 min	9:25 am MDT (15:25 UTC)
11,500 ft	230° at 15 kt	0	-2 °C	120 kt	6 h 25 min	9:28 am MDT (15:28 UTC)
13,500 ft	220° at 19 kt	+2 kt	-5 °C	118 kt	6 h 32 min	9:35 am MDT (15:35 UTC)
15,500 ft	220° at 23 kt	+4 kt	-10 °C	116 kt	6 h 38 min	9:41 am MDT (15:41 UTC)
17,500 ft	210° at 27 kt	+6 kt	-14 °C	114 kt	6 h 45 min	9:48 am MDT (15:48 UTC)
18,000 ft FL180	210° at 28 kt	+6 kt	-15 °C	114 kt	6 h 45 min	9:48 am MDT (15:48 UTC)
24,000 ft FL240	220° at 41 kt	+6 kt	-26 °C	114 kt	6 h 45 min	9:48 am MDT (15:48 UTC)
30,000 ft FL300	220° at 48 kt	+5 kt	-32 °C	115 kt	6 h 42 min	9:45 am MDT (15:45 UTC)
34,000 ft FL340	220° at 54 kt	+2 kt	-36 °C	118 kt	6 h 32 min	9:35 am MDT (15:35 UTC)
39,000 ft FL390	220° at 54 kt	0	-44 °C	120 kt	6 h 25 min	9:28 am MDT (15:28 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
GEG	used from 0 nm out; 25 nm from the line		060/7 -2°	070/12 -6°	050/8 -8°	120/11 -21°	110/18 -33°	030/22 -37°	040/6 -38°	240/7 -41°
LWS	used from 50 nm out; 46 nm from the line	L/V	340/5 -3°	L/V -6°	040/7 -10°	100/23 -22°	180/30 -31°	190/11 -34°	200/11 -36°	220/23 -40°
DLN	used from 150 nm out; 78 nm from the line			190/10 -4°	220/23 -4°	210/21 -18°	210/43 -28°	210/60 -33°	210/72 -37°	210/67 -44°
PIH	used from 350 nm out; 86 nm from the line		070/8	150/19 1°	180/32 -4°	210/44 -17°	210/37 -28°	210/74 -31°	220/68 -35°	220/60 -43°
LND	used from 400 nm out; 56 nm from the line			240/10 3°	240/30 0°	220/42 -13°	230/52 -23°	220/54 -33°	220/52 -36°	220/53 -44°
RKS	used from 500 nm out; 32 nm from the line			250/9	230/21 -1°	210/43 -14°	220/59 -23°	220/55 -32°	220/53 -35°	220/48 -44°
DEN	used from 600 nm out; 108 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°
PUB	used from 750 nm out; 42 nm from the line			260/45 11°	240/38 6°	230/47 -8°	230/51 -19°	240/74 -29°	240/82 -35°	250/72 -48°

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
GEG Spokane, WA	departure	VFR Sky: a few clouds at 5,500 feet, scattered clouds at 7,000 feet, a broken layer at 9,000 feet	from the northeast (040°) at 5 knots	10+ mi	9,000 ft	2,385 ft	1:53 am PDT (08:53 UTC)
SMN Salmon, ID	210 nm out, 17 nm southwest of the line	VFR Sky: a few clouds at 3,000 feet, overcast at 5,500 feet	from the north (360°) at 4 knots	10+ mi	5,500 ft	4,044 ft	08:56 UTC
JAC Jackson, WY	370 nm out, 8 nm east of the line, tower	VFR Sky: overcast at 4,900 feet	calm	10+ mi	4,900 ft	6,451 ft	08:56 UTC
PNA Pinedale, WY	440 nm out, 4 nm northwest of the line	VFR Sky: scattered clouds at 4,100 feet, overcast at 4,800 feet	from the east-southeast (110°) at 5 knots	10+ mi	4,800 ft	7,096 ft	08:35 UTC
DWX Dixon, WY	580 nm out, 5 nm southeast of the line	VFR Sky: a broken layer at 5,500 feet, overcast at 7,000 feet	from the south-southeast (150°) at 11 knots, gusting to 15	10+ mi	5,500 ft	6,548 ft	08:55 UTC
SBS Steamboat Springs, CO	630 nm out, 4 nm west of the line	VFR Sky: scattered clouds at 6,000 feet, scattered clouds at 9,000 feet, a broken layer at 12,000 feet	from the southeast (140°) at 5 knots	10+ mi	12,000 ft	6,882 ft	08:55 UTC
COS Colorado Springs, CO	destination	VFR Sky: scattered clouds at 20,000 feet	from the south (180°) at 11 knots	10+ mi	none	6,187 ft	2:54 am MDT (08:54 UTC)

The highest airport on this list sits at 7,096 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, 9:19 am MDT (15:19 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 GEG, the departure

From Sun 11:00 pm PDT (06:00 UTC): wind from the northeast at 7 knots, visibility more than 6 miles, scattered clouds at 7,000 feet
From Mon 1:00 pm PDT (20:00 UTC): wind light and variable, visibility more than 6 miles, a few clouds at 10,000 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 15 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 GEG 6:06 pm PDT (01:06 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: Spokane International, City Of Colorado Springs Municipal.