Plan a flight · Mon 3:01 am MDT (09:01 UTC)

Friedman Memorial to Brownsville/South Padre Island International SUN → BRO

1,340 nautical miles (1,542 statute miles) southeast on a straight line, true course 137°, about 124° magnetic at the departure end (variation 13E). At 120 knots that is 10 h 38 min at the quickest height in today's winds (39,000 ft, a 6-knot tailwind), arriving about 2:39 pm CDT (19:39 UTC). Right now SUN is IFR, wind calm; BRO is VFR, wind from the east-southeast (120°) at 5 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 4E: low cloud or poor visibility (IFR conditions) (due to ceilings below 1,000 ft, visibility below 3 miles, precipitation, mist). Over the first 120 nm of the route.
AIRMET ZULU 2C: moderate icing up to 23,000 ft. Over the first 380 nm of the route.
AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the first 430 nm of the route.
AIRMET TANGO 1W: moderate turbulence below 18,000 ft (due to mountain wave) up to 12,000 ft. Over the route from 210 to 400 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 220 to 680 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 310 to 500 nm out.
AIRMET TANGO 2W: moderate turbulence below 18,000 ft (due to mountain wave) up to 22,000 ft. Over the route from 410 to 630 nm out.
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). Near the route, 610 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 SUN.

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

PC12 at 14,000 ft, 18 nm northeast, 12:06 am MDT (06:06 UTC): moderate turbulence, remarks: zab fdcs. 720 nm along the route, 18 nm northeast of the line.
as filed, and in English
```
CVN UA /OV TXO260060/TM 0606/FL140/TP PC12/TB MOD/RM ZAB FDCS
```
Report
a routine report filed through CVN
Where
60 nm west (260°) of TXO
Time
06:06 UTC
Height
at 14,000 ft
Aircraft
PC12
Turbulence
moderate
Remarks
zab fdcs
PC12 at 12,000 ft, 9 nm southwest, 1:08 am MDT (07:08 UTC): light turbulence, no icing, 4 °C, remarks: instrument conditions ZDVWC-11. 360 nm along the route, 9 nm southwest of the line.
as filed, and in English
```
GJT UA /OV JNC237019/TM 0708/FL120/TP PC12/TA 04/TB OCNL LGT/IC NEG/RM IMC. ZDVWC-11
```
Report
a routine report filed through GJT
Where
19 nm southwest (237°) of JNC
Time
07:08 UTC
Height
at 12,000 ft
Aircraft
PC12
Temperature
4 °C
Turbulence
occasional light
Icing
none
Remarks
instrument conditions ZDVWC-11
E170 at 4,800 ft, 21 nm northeast, 12:31 am MDT (06:31 UTC): no turbulence, no icing, clear from 4,800 ft to 60,000 ft, remarks: during the descent rnav Y 11 lgjt zdvwc. 370 nm along the route, 21 nm northeast of the line.
as filed, and in English
```
GJT UA /OV GJT/TM 0631/FL048/TP E170/SK SKC/TB NEG/IC NEG/RM DURD RNAV Y 11 LGJT. ZDVWC
```
Report
a routine report filed through GJT
Where
over GJT
Time
06:31 UTC
Height
at 4,800 ft
Aircraft
E170
Sky
clear
Turbulence
none
Icing
none
Remarks
during the descent rnav Y 11 lgjt zdvwc
BE20 at 9,000 ft, 26 nm southwest, 1:52 am MDT (07:52 UTC): light to moderate rime icing, -5 °C, remarks: during the descent zdvwc. 480 nm along the route, 26 nm southwest of the line.
as filed, and in English
```
DRO UA /OV DRO/TM 0752/FL090/TP BE20/SK BASE110 TOP165/TA M05/IC LGT-MOD RIME/RM DURD. ZDVWC
```
Report
a routine report filed through DRO
Where
over DRO
Time
07:52 UTC
Height
at 9,000 ft
Aircraft
BE20
Sky
BASE110 TOP165
Temperature
−5 °C
Icing
light to moderate rime
Remarks
during the descent zdvwc
PC12 at 11,000 ft, 26 nm southwest, 12:58 am MDT (06:58 UTC): light turbulence, no icing, remarks: during the descent arrival KFMN ZDVWC-36. 480 nm along the route, 26 nm southwest of the line.
as filed, and in English
```
DRO UA /OV DRO/TM 0658/FL110/TP PC12/SK BASE117/TB CONS LGT/IC NEG/RM DURD ARR KFMN. ZDVWC-36
```
Report
a routine report filed through DRO
Where
over DRO
Time
06:58 UTC
Height
at 11,000 ft
Aircraft
PC12
Sky
BASE117
Turbulence
continuous light
Icing
none
Remarks
during the descent arrival KFMN ZDVWC-36

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 12 forecast points nearest it (PIH, SLC, GJT, FMN, ALS, ABQ, TCC, ROW, INK, DRT, LRD, BRO). 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	190° at 12 kt	+8 kt	21 °C	112 kt	11 h 58 min	3:59 pm CDT (20:59 UTC)
7,500 ft	200° at 15 kt	+7 kt	13 °C	113 kt	11 h 52 min	3:53 pm CDT (20:53 UTC)
9,500 ft	210° at 18 kt	+8 kt	9 °C	112 kt	11 h 58 min	3:59 pm CDT (20:59 UTC)
11,500 ft	210° at 24 kt	+7 kt	5 °C	113 kt	11 h 52 min	3:53 pm CDT (20:53 UTC)
13,500 ft	220° at 27 kt	+7 kt	1 °C	113 kt	11 h 52 min	3:53 pm CDT (20:53 UTC)
15,500 ft	220° at 31 kt	+7 kt	-4 °C	113 kt	11 h 52 min	3:53 pm CDT (20:53 UTC)
17,500 ft	220° at 34 kt	+7 kt	-8 °C	113 kt	11 h 52 min	3:53 pm CDT (20:53 UTC)
18,000 ft FL180	220° at 35 kt	+7 kt	-9 °C	113 kt	11 h 52 min	3:53 pm CDT (20:53 UTC)
24,000 ft FL240	230° at 41 kt	+1 kt	-19 °C	119 kt	11 h 16 min	3:17 pm CDT (20:17 UTC)
30,000 ft FL300	220° at 51 kt	+7 kt	-29 °C	113 kt	11 h 52 min	3:53 pm CDT (20:53 UTC)
34,000 ft FL340	230° at 48 kt	−2 kt	-37 °C	122 kt	10 h 59 min	3:00 pm CDT (20:00 UTC)
39,000 ft FL390	240° at 39 kt	−6 kt	-48 °C	126 kt	10 h 38 min	2:39 pm CDT (19:39 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
PIH	used from 0 nm out; 60 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°
SLC	used from 150 nm out; 38 nm from the line		200/16	210/23 4°	220/34 -3°	210/40 -16°	220/66 -23°	220/64 -31°	220/57 -36°	220/50 -43°
GJT	used from 300 nm out; 49 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°
FMN	used from 450 nm out; 61 nm from the line			220/16 6°	220/39 1°	220/50 -10°	230/67 -23°	230/94 -29°	230/102 -35°	230/90 -46°
ALS	used from 500 nm out; 55 nm from the line				240/35 3°	230/54 -9°	240/66 -19°	230/85 -26°	240/87 -34°	240/70 -47°
ABQ	used from 600 nm out; 63 nm from the line			220/19 9°	220/35 3°	230/50 -8°	240/64 -19°	230/83 -26°	230/85 -36°	230/80 -48°
TCC	used from 650 nm out; 65 nm from the line		240/20	230/22 13°	230/27 6°	230/40 -7°	240/55 -18°	240/74 -27°	240/68 -37°	250/64 -49°
ROW	used from 700 nm out; 59 nm from the line		230/12	230/17 13°	220/30 7°	230/41 -5°	240/52 -17°	230/66 -28°	240/63 -38°	240/60 -50°
INK	used from 800 nm out; 69 nm from the line		220/17 21°	230/12 14°	210/13 7°	220/29 -5°	240/41 -14°	230/43 -28°	250/41 -38°	250/33 -51°
DRT	used from 950 nm out; 95 nm from the line	160/26	180/14 17°	200/18 15°	200/20 9°	210/21 -3°	220/14 -13°	210/17 -29°	280/12 -39°	320/20 -51°
LRD	used from 1150 nm out; 42 nm from the line	160/22	170/23 18°	190/18 15°	210/12 10°	220/17 -4°	200/11 -15°	150/13 -29°	060/8 -40°	030/28 -51°
BRO	used from 1250 nm out; 65 nm from the line	160/15	160/15 18°	170/11 14°	150/7 9°	L/V -4°	170/6 -15°	100/15 -29°	100/14 -41°	040/26 -51°

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
SUN Hailey, ID	departure	IFR Sky: a broken layer at 600 feet, overcast at 1,900 feet Weather: light rain	calm	7 mi	600 ft	5,319 ft	2:55 am MDT (08:55 UTC)
MLD Malad City, ID	120 nm out, 10 nm northeast of the line	no report just now				4,503 ft
OGD Ogden, UT	170 nm out, 19 nm southwest of the line, tower	VFR Sky: overcast at 5,500 feet	from the southeast (140°) at 5 knots	10+ mi	5,500 ft	4,472 ft	08:53 UTC
GJT Grand Junction, CO	370 nm out, 21 nm northeast of the line, tower	VFR Sky: scattered clouds at 6,000 feet, a broken layer at 8,500 feet, overcast at 10,000 feet	from the east-southeast (110°) at 19 knots	10+ mi	8,500 ft	4,861 ft	08:53 UTC
TEX Telluride, CO	440 nm out, 3 nm south of the line	VFR Sky: scattered clouds at 4,600 feet, a broken layer at 5,500 feet, overcast at 6,500 feet Weather: light rain	from the south-southeast (160°) at 9 knots, gusting to 14	10+ mi	5,500 ft	9,069 ft	08:35 UTC
SAF Santa Fe, NM	610 nm out, 21 nm southwest of the line, tower	VFR Sky: overcast at 8,000 feet	from the south (190°) at 4 knots	10+ mi	8,000 ft	6,348 ft	08:53 UTC
SXU Santa Rosa, NM	680 nm out, 10 nm northeast of the line	VFR Sky: a broken layer at 8,000 feet	from the southwest (220°) at 2 knots	10+ mi	8,000 ft	4,791 ft	08:35 UTC
MAF Midland, TX	900 nm out, 1 nm north of the line, tower	VFR	from the south (180°) at 14 knots, gusting to 22	10+ mi	none	2,872 ft	08:53 UTC
OZA Ozona, TX	990 nm out, 2 nm northwest of the line	VFR	from the south (170°) at 10 knots	10+ mi	none	2,376 ft	08:35 UTC
COT Cotulla, TX	1160 nm out, 7 nm northeast of the line	VFR	from the southeast (130°) at 9 knots	10+ mi	none	474 ft	08:53 UTC
HRL Harlingen, TX	1320 nm out, 3 nm northwest of the line, tower	VFR	from the east (090°) at 4 knots	10+ mi	none	36 ft	08:52 UTC
BRO Brownsville, TX	destination	VFR	from the east-southeast (120°) at 5 knots	10+ mi	none	22 ft	3:53 am CDT (08:53 UTC)

The highest airport on this list sits at 9,069 ft; the ground between airports is higher still. Check the sectional chart for the terrain and the minimum safe heights along the line.

At BRO when you get there the forecast at the estimated arrival, 2:39 pm CDT (19:39 UTC)

Wind from the south-southeast at 12 knots, gusting to 20, visibility more than 6 miles, scattered clouds at 7,000 feet VFR

The whole forecast for BRO

From Mon 1:00 am CDT (06:00 UTC): wind light and variable, visibility more than 6 miles, a few clouds at 2,500 feet
From Mon 9:00 am CDT (14:00 UTC): wind from the south-southeast at 7 knots, visibility more than 6 miles, a few clouds at 25,000 feet
From Mon 1:00 pm CDT (18:00 UTC): wind from the south-southeast at 12 knots, gusting to 20, visibility more than 6 miles, scattered clouds at 7,000 feet
From Mon 9:00 pm CDT (02:00 UTC): wind from the southeast at 9 knots, visibility more than 6 miles, a few clouds at 7,000 feet

The forecast for SUN, the departure

From Mon 1:00 am MDT (07:00 UTC): wind from the west-northwest at 5 knots, visibility more than 6 miles, showers nearby, a broken layer at 400 feet, overcast at 2,000 feet
From Mon 4:00 am MDT (10:00 UTC): wind light and variable, visibility more than 6 miles, light rain showers, a broken layer at 700 feet, overcast at 1,200 feet
From Mon 1:00 pm MDT (19:00 UTC): wind from the southeast at 6 knots, visibility more than 6 miles, showers nearby, a few clouds at 1,200 feet, scattered clouds at 2,500 feet and more above
From Mon 10:00 pm MDT (04:00 UTC): wind from the west-northwest at 7 knots, visibility more than 6 miles, showers nearby, scattered clouds at 3,000 feet, a broken layer at 5,000 feet and more above

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

5/6914 South Padre Island, TX, Tuesday, May 6, 2025 Local 16 nm from the route, at the destination end · security · ended 6 May · ZHU
5/3679 Brownsville, TX, Thursday, January 1, 2026 through Friday, January 1, 2027 Local 13 nm from the route, at the destination end · security · until 1 January · ZHU
5/3678 Brownsville, TX, Thursday, January 1, 2026 through Friday, January 1, 2027 Local 8 nm from the route, at the destination end · security · until 1 January · ZHU

Daylight

Sunset at SUN 6:57 pm MDT (00:57 UTC), at BRO 7:04 pm CDT (00:04 UTC) (civil twilight ends 7:27 pm CDT (00:27 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 southern Rockies · loop National Weather Service

Radar now, the southern Plains · 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: Friedman Memorial, Brownsville/South Padre Island International.