Plan a flight · Sun 7:38 pm MDT (01:38 UTC)

City Of Colorado Springs Municipal to Jacksonville International COS → JAX

1,237 nautical miles (1,423 statute miles) east on a straight line, true course 107°, about 099° magnetic at the departure end (variation 8E). At 120 knots that is 7 h 59 min at the quickest height in today's winds (34,000 ft, a 35-knot tailwind), arriving about 5:37 am EDT (09:37 UTC), after sunset at the destination. Right now COS is VFR, wind from the west-southwest (240°) at 14 knots, gusting to 25; JAX is VFR, wind from the west (270°) at 3 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 4W: moderate turbulence above 18,000 ft from 18,000 ft to 36,000 ft. Over the first 40 nm of the route.
AIRMET TANGO 4W: moderate turbulence below 18,000 ft up to 18,000 ft. Over the first 70 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 90 to 359 nm out.
AIRMET TANGO 6W: moderate turbulence above 18,000 ft from 28,000 ft to 40,000 ft. Over the route from 987 to 1097 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 COS.

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

GLF5 at 45,000 ft, 25 nm north, 4:44 pm MDT (22:44 UTC): moderate turbulence, remarks: ZDVWC-46. At the departure end, 25 nm north of the line.
as filed, and in English
```
COS UA /OV COS350025/TM 2244/FL450/TP GLF5/TB MOD /RM ZDVWC-46
```
Report
a routine report filed through COS
Where
25 nm north (350°) of COS
Time
22:44 UTC
Height
at 45,000 ft
Aircraft
GLF5
Turbulence
moderate
Remarks
ZDVWC-46
E55P at 38,000 ft, 25 nm northwest, 7:23 pm MDT (01:23 UTC): light chop turbulence, remarks: ZDVWC-05. At the departure end, 25 nm northwest of the line.
as filed, and in English
```
DEN UA /OV FQF200040/TM 0123/FL380/TP E55P/TB LGT CHOP/RM ZDVWC-05
```
Report
a routine report filed through DEN
Where
40 nm south (200°) of FQF
Time
01:23 UTC
Height
at 38,000 ft
Aircraft
E55P
Turbulence
light chop
Remarks
ZDVWC-05
GLF6 at 40,000 ft, 20 nm north, 6:48 pm MDT (00:48 UTC): light to moderate chop turbulence, remarks: ZDVWC-46. At the departure end, 20 nm north of the line.
as filed, and in English
```
COS UA /OV COS340020/TM 0048/FL400/TP GLF6/TB LGT-MOD CHOP/RM ZDVWC-46
```
Report
a routine report filed through COS
Where
20 nm north (340°) of COS
Time
00:48 UTC
Height
at 40,000 ft
Aircraft
GLF6
Turbulence
light to moderate chop
Remarks
ZDVWC-46
B737 at 25,000 ft, 11 nm west, 6:29 pm MDT (00:29 UTC): light rime icing, 0 °C, remarks: during the climb ZDVWC-29. At the departure end, 11 nm west of the line.
as filed, and in English
```
COS UA /OV BRK242015/TM 0029/FL250/TP B737/SK TOP280/TA 00/IC LGT RIME/RM DURC ZDVWC-29
```
Report
a routine report filed through COS
Where
15 nm southwest (242°) of BRK
Time
00:29 UTC
Height
at 25,000 ft
Aircraft
B737
Sky
TOP280
Temperature
0 °C
Icing
light rime
Remarks
during the climb ZDVWC-29
CL35 at 43,000 ft, 47 nm southwest, 6:21 pm MDT (00:21 UTC): remarks: mtw +/-300FT zdvwc. At the departure end, 47 nm southwest of the line.
as filed, and in English
```
PUB UA /OV PUB250040/TM 0021/FL430/TP CL35/RM MTW +/-300FT ZDVWC
```
Report
a routine report filed through PUB
Where
40 nm west (250°) of PUB
Time
00:21 UTC
Height
at 43,000 ft
Aircraft
CL35
Remarks
mtw +/-300FT zdvwc
B737 at 14,000 ft, 36 nm north, 6:20 pm MDT (00:20 UTC): light to moderate turbulence, remarks: light to moderate from 14,000 ft to 16,000 ft occn light above 16,000 ft. At the departure end, 36 nm north of the line.
as filed, and in English
```
DEN UA /OV DEN170025/TM 0020/FL140/TP B737/TB LGT-MOD/RM LGT-MOD 140-160 OCCN LGT ABOVE 160
```
Report
a routine report filed through DEN
Where
25 nm south (170°) of DEN
Time
00:20 UTC
Height
at 14,000 ft
Aircraft
B737
Turbulence
light to moderate
Remarks
light to moderate from 14,000 ft to 16,000 ft occn light above 16,000 ft
A21N at 31,000 ft, 26 nm south, 6:24 pm MDT (00:24 UTC): remarks: mountain wave +/-10-20KT ZDVWC-29. At the departure end, 26 nm south of the line.
as filed, and in English
```
PUB UA /OV PUB/TM 0024/FL310/TP A21N/RM MTN WAVE +/-10-20KT ZDVWC-29
```
Report
a routine report filed through PUB
Where
over PUB
Time
00:24 UTC
Height
at 31,000 ft
Aircraft
A21N
Remarks
mountain wave +/-10-20KT ZDVWC-29
CRJ7 at 36,000 ft, 49 nm southwest, 6:10 pm MDT (00:10 UTC): no turbulence, remarks: ZME20. 618 nm along the route, 49 nm southwest of the line.
as filed, and in English
```
HOT UA /OV HOT/TM 0010/FL360/TP CRJ7/TB NEG/RM ZME20
```
Report
a routine report filed through HOT
Where
over HOT
Time
00:10 UTC
Height
at 36,000 ft
Aircraft
CRJ7
Turbulence
none
Remarks
ZME20
C750 at 43,000 ft, 5 nm east, 6:50 pm MDT (00:50 UTC): light to moderate chop turbulence above 43,000 ft, remarks: zme. 638 nm along the route, 5 nm east of the line.
as filed, and in English
```
LIT UA /OV LIT360025/TM 0050/FL430/TP C750/TB CONS LGT-MOD CHOP 430/RM ZME
```
Report
a routine report filed through LIT
Where
25 nm north (360°) of LIT
Time
00:50 UTC
Height
at 43,000 ft
Aircraft
C750
Turbulence
continuous light to moderate chop at 43,000 ft
Remarks
zme
A319 at 39,000 ft, 44 nm northeast, 5:11 pm MDT (23:11 UTC): no chop turbulence, remarks: smooth. 738 nm along the route, 44 nm northeast of the line.
as filed, and in English
```
MEM UA /OV MEM/TM 2311/FL390/TP A319/TB NEG CHOP/RM SMOOTH
```
Report
a routine report filed through MEM
Where
over MEM
Time
23:11 UTC
Height
at 39,000 ft
Aircraft
A319
Turbulence
no chop
Remarks
smooth
B712 at 30,000 ft, 26 nm south, 5:09 pm MDT (23:09 UTC): light chop turbulence, remarks: ZME46. 888 nm along the route, 26 nm south of the line.
as filed, and in English
```
CBM UA /OV IGB135050/TM 2309/FL300/TP B712/TB CONS LGT CHOP/RM ZME46
```
Report
a routine report filed through CBM
Where
50 nm southeast (135°) of IGB
Time
23:09 UTC
Height
at 30,000 ft
Aircraft
B712
Turbulence
continuous light chop
Remarks
ZME46
A21N at 34,000 ft, 26 nm south, 5:05 pm MDT (23:05 UTC): light to moderate chop turbulence, remarks: ZME46. 888 nm along the route, 26 nm south of the line.
as filed, and in English
```
CBM UA /OV IGB135050/TM 2305/FL340/TP A21N/TB LGT-MOD CHOP/RM ZME46
```
Report
a routine report filed through CBM
Where
50 nm southeast (135°) of IGB
Time
23:05 UTC
Height
at 34,000 ft
Aircraft
A21N
Turbulence
light to moderate chop
Remarks
ZME46
UAL1770 at 34,000 ft, 48 nm southwest, 4:55 pm MDT (22:55 UTC): light chop turbulence, wind 349° at 61 knots. 898 nm along the route, 48 nm southwest of the line.
as filed, and in English
```
ARP UAL1770 3230N 08800W 2255 F340 349/061KT TB CONT LGT CHOP CONT LGT TURB IC
```
Report
a routine report filed through ARP
B737 at 38,000 ft, 26 nm northeast, 5:40 pm MDT (23:40 UTC): no chop turbulence, remarks: ZTLFD-08. 987 nm along the route, 26 nm northeast of the line.
as filed, and in English
```
LGC UA /OV LGC240025/TM 2340/FL380/TP B737/TB NEG CHOP /RM ZTLFD-08
```
Report
a routine report filed through LGC
Where
25 nm southwest (240°) of LGC
Time
23:40 UTC
Height
at 38,000 ft
Aircraft
B737
Turbulence
no chop
Remarks
ZTLFD-08

Winds aloft along the route, and the time en route the forecast for use 20:00–03:00 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 13 forecast points nearest it (PUB, GCK, GAG, ICT, TUL, FSM, LIT, MEM, BHM, MGM, CSG, TLH, JAX). A plus sign is a headwind, a minus sign a tailwind.

Height	Average wind	Head- or tailwind	Temperature	Ground speed	Time en route	Arrival
3,500 ft	250° at 12 kt	−9 kt		129 kt	9 h 35 min	7:13 am EDT (11:13 UTC)
5,500 ft	250° at 14 kt	−12 kt	20 °C	132 kt	9 h 22 min	7:00 am EDT (11:00 UTC)
7,500 ft	260° at 18 kt	−16 kt	15 °C	136 kt	9 h 06 min	6:44 am EDT (10:44 UTC)
9,500 ft	270° at 21 kt	−19 kt	12 °C	139 kt	8 h 54 min	6:32 am EDT (10:32 UTC)
11,500 ft	270° at 21 kt	−21 kt	8 °C	141 kt	8 h 46 min	6:24 am EDT (10:24 UTC)
13,500 ft	270° at 22 kt	−21 kt	4 °C	141 kt	8 h 46 min	6:24 am EDT (10:24 UTC)
15,500 ft	270° at 23 kt	−22 kt	-1 °C	142 kt	8 h 43 min	6:21 am EDT (10:21 UTC)
17,500 ft	270° at 23 kt	−22 kt	-5 °C	142 kt	8 h 43 min	6:21 am EDT (10:21 UTC)
18,000 ft FL180	270° at 23 kt	−22 kt	-6 °C	142 kt	8 h 43 min	6:21 am EDT (10:21 UTC)
24,000 ft FL240	270° at 25 kt	−24 kt	-17 °C	144 kt	8 h 35 min	6:13 am EDT (10:13 UTC)
30,000 ft FL300	270° at 37 kt	−34 kt	-31 °C	154 kt	8 h 02 min	5:40 am EDT (09:40 UTC)
34,000 ft FL340	270° at 37 kt	−35 kt	-40 °C	155 kt	7 h 59 min	5:37 am EDT (09:37 UTC)
39,000 ft FL390	270° at 34 kt	−33 kt	-51 °C	153 kt	8 h 05 min	5:43 am EDT (09:43 UTC)

Based on data from the 11th at 18:00 UTC; valid on the 12th at 00:00 UTC for use 20:00 to 03:00 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
PUB	used from 0 nm out; 28 nm from the line			210/24 16°	210/28 8°	230/43 -8°	240/42 -21°	240/77 -30°	240/72 -36°	250/51 -47°
GCK	used from 100 nm out; 70 nm from the line		200/35 21°	220/34 14°	240/30 8°	240/27 -6°	240/31 -17°	240/53 -30°	250/55 -39°	250/60 -50°
GAG	used from 249 nm out; 69 nm from the line		190/34 19°	240/27 14°	240/26 8°	240/24 -6°	240/29 -16°	250/50 -28°	250/50 -39°	260/46 -50°
ICT	used from 299 nm out; 51 nm from the line	190/34	210/34 18°	240/28 13°	260/23 7°	250/23 -6°	240/29 -17°	260/40 -30°	260/47 -40°	270/42 -51°
TUL	used from 399 nm out; 25 nm from the line	200/27	210/28 15°	240/24 13°	250/19 8°	250/28 -6°	260/25 -16°	270/34 -30°	280/41 -39°	280/41 -52°
FSM	used from 499 nm out; 29 nm from the line	200/18	210/19 15°	230/22 13°	250/18 7°	270/20 -5°	280/24 -16°	280/35 -30°	290/37 -40°	300/40 -52°
LIT	used from 598 nm out; 30 nm from the line	220/12	250/12 17°	250/18 12°	260/22 6°	310/14 -5°	310/25 -17°	310/40 -31°	310/38 -41°	310/46 -52°
MEM	used from 698 nm out; 49 nm from the line	240/9	280/14 17°	280/20 12°	290/25 5°	320/25 -6°	330/31 -18°	320/52 -32°	330/58 -41°	320/42 -50°
BHM	used from 848 nm out; 62 nm from the line	300/16	330/32 16°	320/37 11°	330/37 6°	310/33 -7°	310/30 -18°	320/40 -34°	330/43 -41°	330/30 -49°
MGM	used from 948 nm out; 21 nm from the line	300/16	330/30 16°	330/34 11°	320/31 7°	310/28 -7°	320/29 -17°	290/25 -34°	300/28 -41°	320/28 -50°
CSG	used from 997 nm out; 27 nm from the line	300/20	330/41 15°	320/42 11°	320/41 7°	300/33 -6°	290/33 -18°	270/32 -34°	260/31 -41°	260/24 -51°
TLH	used from 1097 nm out; 73 nm from the line	300/17	340/32 17°	320/27 13°	300/27 8°	280/23 -7°	250/37 -17°	230/44 -33°	220/53 -41°	220/48 -51°
JAX	used from 1147 nm out; 65 nm from the line	280/14	300/22 16°	260/27 15°	260/26 9°	240/41 -6°	230/38 -16°	220/44 -32°	200/49 -41°	200/52 -53°

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
COS Colorado Springs, CO	departure	VFR Sky: a few clouds at 7,000 feet, a broken layer at 10,000 feet, a broken layer at 17,000 feet, a broken layer at 20,000 feet	from the west-southwest (240°) at 14 knots, gusting to 25	10+ mi	10,000 ft	6,187 ft	6:54 pm MDT (00:54 UTC)
LAA Lamar, CO	100 nm out, 14 nm south of the line	VFR	from the south (180°) at 15 knots	10+ mi	none	3,705 ft	00:53 UTC
GCK Garden City, KS	190 nm out, 9 nm northeast of the line, tower	VFR	from the south (180°) at 12 knots	10+ mi	none	2,890 ft	00:54 UTC
BKN Blackwell, OK	369 nm out, 3 nm south of the line	VFR	from the south-southeast (160°) at 10 knots	10+ mi	none	1,030 ft	01:15 UTC
TUL Tulsa, OK	449 nm out, 7 nm southwest of the line, tower	VFR	from the south (170°) at 11 knots	10+ mi	none	677 ft	00:53 UTC
FYV Fayetteville, AR	529 nm out, 14 nm northeast of the line, tower	VFR	calm	10+ mi	none	1,252 ft	00:53 UTC
LIT Little Rock, AR	648 nm out, 18 nm southwest of the line, tower	VFR Sky: a few clouds at 16,000 feet, a few clouds at 25,000 feet	from the southwest (220°) at 4 knots	10+ mi	none	266 ft	00:53 UTC
GTR Columbus/W Point/Starkville, MS	848 nm out, 11 nm southwest of the line, tower	VFR	calm	10+ mi	none	264 ft	00:56 UTC
TCL Tuscaloosa, AL	898 nm out, 4 nm northwest of the line, tower	VFR	calm	10+ mi	none	169 ft	00:53 UTC
ABY Albany, GA	1097 nm out, 9 nm southwest of the line, tower	VFR	from the west (280°) at 6 knots	10+ mi	none	196 ft	22:53 UTC
TMA Tifton, GA	1127 nm out, 3 nm northeast of the line	VFR	calm	10+ mi	none	354 ft	23:35 UTC
JAX Jacksonville, FL	destination	VFR Sky: scattered clouds at 20,000 feet	from the west (270°) at 3 knots	10+ mi	none	29 ft	8:56 pm EDT (00:56 UTC)

The highest airport on this list sits at 6,187 ft; the ground between airports is higher still. Check the sectional chart for the terrain and the minimum safe heights along the line.

At JAX when you get there the forecast at the estimated arrival, 5:37 am EDT (09:37 UTC)

Wind from the west at 5 knots, visibility more than 6 miles, a few clouds at 15,000 feet, scattered clouds at 25,000 feet VFR

The whole forecast for JAX

From Sun 8:00 pm EDT (00:00 UTC): wind from the west at 5 knots, visibility more than 6 miles, a few clouds at 15,000 feet, scattered clouds at 25,000 feet
From Mon 10:00 am EDT (14:00 UTC): wind from the northwest at 11 knots, gusting to 17, visibility more than 6 miles, a few clouds at 3,500 feet
From Mon 6:00 pm EDT (22:00 UTC): wind from the north-northwest at 6 knots, visibility more than 6 miles, clear skies

The forecast for COS, the departure

From Sun 6:00 pm MDT (00:00 UTC): wind from the south-southwest at 20 knots, gusting to 32, visibility more than 6 miles, a few clouds at 10,000 feet, scattered clouds at 20,000 feet
From Sun 9:00 pm MDT (03:00 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

Temporary flight restrictions on the line or within 25 nm of it

6/8770 COLORADO SPRINGS, CO, Saturday, October 10, 2026 through Monday, October 12, 2026 UTC 15 nm from the route, at the departure end · a hazard on the ground (fire-fighting, a chemical spill, rescue work) · until 12 October · ZDV
6/8389 Jacksonville, FL, Thursday, October 15, 2026 through Sunday, October 18, 2026 UTC 11 nm from the route, at the destination end · air shows/sports · starts Thursday 15 October · ZJX

Daylight

Sunset at COS 6:25 pm MDT (00:25 UTC), at JAX 6:59 pm EDT (22:59 UTC) (civil twilight ends 7:23 pm EDT (23:23 UTC)). At 120 knots the arrival at JAX is before sunrise there (7:26 am EDT (11:26 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

Radar now, the southern Rockies · loop National Weather Service

Radar now, the southern Plains · loop National Weather Service

Radar now, the lower Mississippi valley · 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: City Of Colorado Springs Municipal, Jacksonville International.