Harry Reid International to George Bush Intcntl/Houston Airport LAS → IAH
1,060 nautical miles (1,220 statute miles) east on a straight line, true course 105°, about 094° magnetic at the departure end (variation 11E). At 120 knots that is 6 h 45 min at the quickest height in today's winds (34,000 ft, a 37-knot tailwind), arriving about 3:24 am CDT (08:24 UTC), after sunset at the destination. Right now LAS is VFR, wind from the south (190°) at 12 knots; IAH is VFR, wind from the southeast (130°) at 10 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: 6,804 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
- SIGMET 4W: thunderstorms (a convective SIGMET) up to 28,000 ft, moving from the southwest at 20 knots, until 7:55 pm PDT (02:55 UTC). Over the route from 130 to 220 nm out.
as issued
WSUS33 KKCI 120055 MKCW WST 120055 CONVECTIVE SIGMET 4W VALID UNTIL 0255Z AZ FROM 60NE TBC-30S INW-100ESE BZA-70SE EED-50NW TBC-60NE TBC DMSHG AREA EMBD TS MOV FROM 21020KT. TOPS TO FL280.
- SIGMET 2W: thunderstorms (a convective SIGMET) up to 36,000 ft, moving from the southwest at 40 knots, until 7:55 pm PDT (02:55 UTC). Over the route from 280 to 480 nm out.
as issued
WSUS33 KKCI 120055 MKCW WST 120055 CONVECTIVE SIGMET 2W VALID UNTIL 0255Z TX NM AZ FROM 50NNW SJN-60WNW CME-60E ELP-70SSW SSO-50SW TUS-50NNW SJN AREA SEV TS MOV FROM 23040KT. TOPS TO FL360. HAIL TO 1 IN...WIND GUSTS TO 50KT POSS.
- SIGMET 1W: thunderstorms (a convective SIGMET) up to 34,000 ft, moving from the southwest at 40 knots, until 7:55 pm PDT (02:55 UTC). Near the route, 490 nm along the route.
as issued
WSUS33 KKCI 120055 MKCW WST 120055 CONVECTIVE SIGMET 1W VALID UNTIL 0255Z CO NM WY AZ UT FROM 40NNW CHE-40WNW TBE-60WNW CME-40N SJN-40ESE MTU-40NNW CHE AREA SEV TS MOV FROM 23040KT. TOPS TO FL340. WIND GUSTS TO 60KT POSS.
- AIRMET ZULU 3C: moderate icing up to 22,000 ft. Over the first 150 nm of the route.
- AIRMET TANGO 4W: moderate turbulence below 18,000 ft up to 18,000 ft. Over the first 500 nm of the route.
- AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the route from 10 to 230 nm out.
- AIRMET SIERRA 2E: low cloud or poor visibility (IFR conditions) (due to ceilings below 1,000 ft, visibility below 3 miles, precipitation, mist). Over the route from 50 to 190 nm out.
- AIRMET TANGO 4W: moderate turbulence above 18,000 ft from 18,000 ft to 36,000 ft. Near the route, 70 nm along the route.
- AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the route from 300 to 410 nm out.
- AIRMET TANGO 2W: moderate turbulence above 18,000 ft from 35,000 ft to 45,000 ft. Over the route from 320 to 510 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 LAS.
Pilot reports along the route within 50 nm of the line, last three hours, the serious ones first
- G280 at 41,000 ft, 35 nm southwest, 4:37 pm PDT (23:37 UTC): light to moderate clear-air turbulence, remarks: ZDVWC-46. At the departure end, 35 nm southwest of the line.
as filed, and in English
ALS UA /OV LAS190035/TM 2337/FL410/TP G280/TB LGT-MOD CAT/RM ZDVWC-46
- Report
- a routine report filed through ALS
- Where
- 35 nm south (190°) of LAS
- Time
- 23:37 UTC
- Height
- at 41,000 ft
- Aircraft
- G280
- Turbulence
- light to moderate clear-air turbulence
- Remarks
- ZDVWC-46
- B737 at 24,000 ft, 43 nm north, 4:29 pm PDT (23:29 UTC): light rime icing, -21 °C, remarks: during the descent during the descent choww arv zlawc. At the departure end, 43 nm north of the line.
as filed, and in English
CDC UA /OV MMM120015/TM 2329/FL240/TP B737/TA M21/IC LGT RIME/RM DURD DURD CHOWW ARV /ZLAWC AWC-WEB
- Report
- a routine report filed through CDC
- Where
- 15 nm southeast (120°) of MMM
- Time
- 23:29 UTC
- Height
- at 24,000 ft
- Aircraft
- B737
- Temperature
- −21 °C
- Icing
- light rime
- Remarks
- during the descent during the descent choww arv zlawc
- B752 at 17,500 ft, 9 nm north, 3:48 pm PDT (22:48 UTC): a broken layer from 17,500 ft to 18,500 ft; overcast, remarks: layer of precip west of niitz 25 nautical miles lgt-hvy rain zlawc. At the departure end, 9 nm north of the line.
as filed, and in English
LAS UA /OV BLD065025/TM 2248/FL175/TP B752/SK BKN175-TOP185/OVC/RM LAYER OF PRECIP W OF NIITZ 25 NM LGT-HVY RAIN /ZLAWC AWC-WEB
- Report
- a routine report filed through LAS
- Where
- BLD065025 C
- Time
- 22:48 UTC
- Height
- at 17,500 ft
- Aircraft
- B752
- Sky
- a broken layer from 17,500 ft, tops 18,500 ft
- Remarks
- layer of precip west of niitz 25 nautical miles lgt-hvy rain zlawc
- B38M at 23,000 ft, 19 nm north, 4:04 pm PDT (23:04 UTC): light rime icing from 23,000 ft to 25,000 ft, -25 °C, remarks: zlawc. 60 nm along the route, 19 nm north of the line.
as filed, and in English
LAS UA /OV BLD064047/TM 2304/FL230/TP B38M/TA M25/IC LGT RIME 230-250/RM ZLAWC AWC-WEB
- Report
- a routine report filed through LAS
- Where
- 47 nm northeast (064°) of BLD
- Time
- 23:04 UTC
- Height
- at 23,000 ft
- Aircraft
- B38M
- Temperature
- −25 °C
- Icing
- light rime from 23,000 ft to 25,000 ft
- Remarks
- zlawc
- C172 at 7,200 ft, 43 nm south, 6:06 pm PDT (01:06 UTC): overcast from 7,200 ft to 9,000 ft. 160 nm along the route, 43 nm south of the line.
as filed, and in English
PRC UA /OV 6NE PRC/TM 0106/FL072/TP C172/SK OVC072-TOP090
- Report
- a routine report filed through PRC
- Where
- 6NE prc
- Time
- 01:06 UTC
- Height
- at 7,200 ft
- Aircraft
- C172
- Sky
- overcast from 7,200 ft, tops 9,000 ft
- PC12 at 14,000 ft, 35 nm south, 6:03 pm PDT (01:03 UTC): light rime icing, remarks: zab/fdcs. 160 nm along the route, 35 nm south of the line.
as filed, and in English
FLG UA /OV FLG210030/TM 0103/FL140/TP PC12/TA UNK/IC LGT RIME/RM ZAB/FDCS
- Report
- a routine report filed through FLG
- Where
- 30 nm southwest (210°) of FLG
- Time
- 01:03 UTC
- Height
- at 14,000 ft
- Aircraft
- PC12
- Temperature
- UNK
- Icing
- light rime
- Remarks
- zab/fdcs
- G280 at 45,000 ft, 38 nm north, 4:44 pm PDT (23:44 UTC): light to moderate turbulence, remarks: zab fdcs. 230 nm along the route, 38 nm north of the line.
as filed, and in English
INW UA /OV INW015040/TM 2344/FL450/TP G280/TB LGT-MOD/RM ZAB FDCS
- Report
- a routine report filed through INW
- Where
- 40 nm north (015°) of INW
- Time
- 23:44 UTC
- Height
- at 45,000 ft
- Aircraft
- G280
- Turbulence
- light to moderate
- Remarks
- zab fdcs
- GLF4 at 45,000 ft, 48 nm south, 4:01 pm PDT (23:01 UTC): light to moderate turbulence from 40,000 ft to 45,000 ft, remarks: south zab fdcs. 420 nm along the route, 48 nm south of the line.
as filed, and in English
TCS UA /OV TCS/TM 2301/FL450/TP GLF4/TB OCNL LGT-MOD 450-400/RM S - ZAB FDCS
- Report
- a routine report filed through TCS
- Where
- over TCS
- Time
- 23:01 UTC
- Height
- at 45,000 ft
- Aircraft
- GLF4
- Turbulence
- occasional light to moderate from 45,000 ft to 40,000 ft
- Remarks
- south zab fdcs
- B39M at 27,000 ft, 2 nm south, 5:42 pm PDT (00:42 UTC): light chop turbulence, remarks: zhu. At the destination end, 2 nm south of the line.
as filed, and in English
IAH UA /OV IH340035/TM 0042/FL270/TP B39M/TB LT CHOP DURC/RM ZHU
- Report
- a routine report filed through IAH
- Where
- IH340035
- Time
- 00:42 UTC
- Height
- at 27,000 ft
- Aircraft
- B39M
- Turbulence
- lt chop during the climb
- Remarks
- zhu
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 8 forecast points nearest it (LAS, PRC, ABQ, ROW, INK, ABI, CLL, HOU). 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 | 180° at 23 kt | +8 kt | 16 °C | 112 kt | 9 h 28 min | 6:07 am CDT (11:07 UTC) |
| 7,500 ft | 200° at 25 kt | +2 kt | 12 °C | 118 kt | 8 h 59 min | 5:38 am CDT (10:38 UTC) |
| 9,500 ft | 210° at 24 kt | −3 kt | 10 °C | 123 kt | 8 h 37 min | 5:16 am CDT (10:16 UTC) |
| 11,500 ft | 220° at 26 kt | −8 kt | 6 °C | 128 kt | 8 h 17 min | 4:56 am CDT (09:56 UTC) |
| 13,500 ft | 220° at 29 kt | −11 kt | 2 °C | 131 kt | 8 h 05 min | 4:44 am CDT (09:44 UTC) |
| 15,500 ft | 220° at 32 kt | −13 kt | -2 °C | 133 kt | 7 h 58 min | 4:37 am CDT (09:37 UTC) |
| 17,500 ft | 230° at 34 kt | −15 kt | -6 °C | 135 kt | 7 h 51 min | 4:30 am CDT (09:30 UTC) |
| 18,000 ft FL180 | 230° at 35 kt | −16 kt | -7 °C | 136 kt | 7 h 48 min | 4:27 am CDT (09:27 UTC) |
| 24,000 ft FL240 | 230° at 43 kt | −23 kt | -17 °C | 143 kt | 7 h 25 min | 4:04 am CDT (09:04 UTC) |
| 30,000 ft FL300 | 230° at 50 kt | −29 kt | -28 °C | 149 kt | 7 h 07 min | 3:46 am CDT (08:46 UTC) |
| 34,000 ft FL340 | 240° at 51 kt | −37 kt | -37 °C | 157 kt | 6 h 45 min | 3:24 am CDT (08:24 UTC) |
| 39,000 ft FL390 | 250° at 44 kt | −36 kt | -49 °C | 156 kt | 6 h 48 min | 3:27 am CDT (08:27 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| LAS | used from 0 nm out; 25 nm from the line | 200/25 11° | 230/22 5° | 240/25 -1° | 220/37 -12° | 220/44 -21° | 210/52 -27° | 210/60 -34° | 220/58 -44° | |
| PRC | used from 100 nm out; 54 nm from the line | 200/36 6° | 210/46 0° | 220/60 -10° | 220/75 -19° | 220/66 -26° | 230/70 -33° | 230/59 -45° | ||
| ABQ | used from 300 nm out; 111 nm from the line | 200/28 13° | 210/28 5° | 210/44 -7° | 230/46 -20° | 230/80 -28° | 240/74 -35° | 240/58 -47° | ||
| ROW | used from 450 nm out; 75 nm from the line | 180/23 | 190/24 15° | 210/27 7° | 230/35 -6° | 240/53 -17° | 240/62 -27° | 250/64 -38° | 260/60 -50° | |
| INK | used from 600 nm out; 65 nm from the line | 160/27 20° | 190/18 13° | 240/19 7° | 250/23 -4° | 250/33 -15° | 230/45 -28° | 250/45 -39° | 270/49 -50° | |
| ABI | used from 700 nm out; 83 nm from the line | 180/26 17° | 220/18 12° | 230/25 8° | 230/28 -5° | 240/29 -14° | 250/35 -28° | 270/37 -39° | 280/37 -51° | |
| CLL | used from 900 nm out; 72 nm from the line | 160/18 | 190/18 16° | 200/19 12° | 220/14 7° | 260/18 -5° | 250/20 -13° | 290/29 -29° | 290/31 -40° | 300/22 -53° |
| HOU | used from 1050 nm out; 24 nm from the line | 160/18 | 160/14 17° | 180/19 12° | 190/11 8° | 260/12 -4° | 260/14 -13° | 310/26 -30° | 310/30 -40° | 320/21 -52° |
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 |
|---|---|---|---|---|---|---|---|
| LAS Las Vegas, NV | departure | VFR Sky: a few clouds at 7,500 feet, scattered clouds at 10,000 feet, a broken layer at 15,000 feet | from the south (190°) at 12 knots | 10+ mi | 15,000 ft | 2,183 ft | 5:56 pm PDT (00:56 UTC) |
| BVU Boulder City, NV | 20 nm out, 6 nm southwest of the line | VFR Sky: overcast at 11,000 feet | from the south-southeast (150°) at 17 knots, gusting to 24 | 10+ mi | 11,000 ft | 2,203 ft | 23:35 UTC |
| FLG Flagstaff, AZ | 180 nm out, 9 nm southwest of the line, tower | IFR Sky: a broken layer at 700 feet, overcast at 1,300 feet Weather: light rain, mist | from the south-southwest (210°) at 18 knots, gusting to 31 | 4 mi | 700 ft | 7,014 ft | 00:57 UTC |
| INW Winslow, AZ | 230 nm out, 5 nm west of the line | VFR | from the south-southwest (200°) at 16 knots, gusting to 27 | 10+ mi | none | 4,941 ft | 00:56 UTC |
| ONM Socorro, NM | 420 nm out, 4 nm southeast of the line | VFR Sky: scattered clouds at 6,000 feet, scattered clouds at 7,000 feet, a broken layer at 9,000 feet | from the west-southwest (250°) at 23 knots, gusting to 31 | 10+ mi | 9,000 ft | 4,875 ft | 23:35 UTC |
| SRR Ruidoso, NM | 500 nm out, 9 nm south of the line | VFR | from the south-southwest (200°) at 11 knots | 10+ mi | none | 6,813 ft | 23:35 UTC |
| ROW Roswell, NM | 550 nm out, 1 nm south of the line, tower | VFR | from the south-southeast (150°) at 8 knots | 10+ mi | none | 3,671 ft | 00:51 UTC |
| GNC Seminole, TX | 650 nm out, 2 nm southeast of the line | VFR | from the south-southeast (160°) at 7 knots | 10+ mi | none | 3,314 ft | 01:10 UTC |
| COM Coleman, TX | 820 nm out, 16 nm northeast of the line | VFR | from the south (170°) at 9 knots | 10+ mi | none | 1,696 ft | 01:15 UTC |
| GRK Fort Hood (Killeen), TX | 920 nm out, 7 nm north of the line, tower | VFR | from the south-southeast (160°) at 4 knots | 10+ mi | none | 1,015 ft | 00:55 UTC |
| CLL College Station, TX | 1000 nm out, 11 nm north of the line, tower | VFR | from the southeast (130°) at 7 knots | 10+ mi | none | 320 ft | 00:53 UTC |
| IAH Houston, TX | destination | VFR Sky: a broken layer at 25,000 feet | from the southeast (130°) at 10 knots | 10+ mi | 25,000 ft | 95 ft | 7:53 pm CDT (00:53 UTC) |
The highest airport on this list sits at 7,014 ft; the ground between airports is higher still. Check the sectional chart for the terrain and the minimum safe heights along the line.
At IAH when you get there the forecast at the estimated arrival, 3:24 am CDT (08:24 UTC)
Wind from the south-southeast at 7 knots, visibility more than 6 miles, scattered clouds at 25,000 feet VFR
The whole forecast for IAH
- From Sun 7:00 pm CDT (00:00 UTC): wind from the south-southeast at 12 knots, visibility more than 6 miles, a few clouds at 25,000 feet
- From Sun 9:00 pm CDT (02:00 UTC): wind from the south-southeast at 7 knots, visibility more than 6 miles, scattered clouds at 25,000 feet
- From Mon 4:00 am CDT (09:00 UTC): wind from the east-southeast at 4 knots, visibility more than 6 miles, scattered clouds at 2,500 feet, scattered clouds at 25,000 feet
- From Mon 12:00 pm CDT (17:00 UTC): wind from the southeast at 11 knots, visibility more than 6 miles, scattered clouds at 3,500 feet, a broken layer at 25,000 feet
- 30% chance between Mon 1:00 pm CDT (18:00 UTC) and 5:00 pm CDT (22:00 UTC): light rain showers
The forecast for LAS, the departure
- From Sun 5:00 pm PDT (00:00 UTC): wind from the south-southwest at 14 knots, gusting to 24, visibility more than 6 miles, showers nearby, a few clouds at 6,000 feet, scattered clouds at 8,000 feet and more above
- From Sun 8:00 pm PDT (03:00 UTC): wind from the south at 12 knots, gusting to 20, visibility more than 6 miles, a few clouds at 8,000 feet, a broken layer at 10,000 feet
- From Mon 1:00 am PDT (08:00 UTC): wind from the south at 7 knots, visibility more than 6 miles, a few clouds at 8,000 feet, a broken layer at 10,000 feet
- From Mon 8:00 am PDT (15:00 UTC): wind from the south at 8 knots, visibility more than 6 miles, showers nearby, scattered clouds at 7,000 feet, a broken layer at 10,000 feet
- From Mon 12:00 pm PDT (19:00 UTC): wind from the south-southwest at 15 knots, gusting to 25, visibility more than 6 miles, showers nearby, scattered clouds at 7,000 feet, a broken layer at 12,000 feet
- From Mon 8:00 pm PDT (03:00 UTC): wind from the southwest at 10 knots, visibility more than 6 miles, a few clouds at 8,000 feet, scattered clouds at 10,000 feet
Temporary flight restrictions on the line or within 25 nm of it
- 6/8890 LAS VEGAS, NV, Tuesday, October 13, 2026 Local on the route, at the departure end · a VIP movement · starts tomorrow · ZLA
- 6/8808 Las Vegas, NV, Tuesday, October 13, 2026 Local on the route, at the departure end · security · starts tomorrow · ZLA
- 6/8891 Bullhead City, AZ, Wednesday, October 14, 2026 Local 16 nm from the route, at the departure end · a VIP movement · starts Wednesday 14 October · ZLA
- 6/8722 ALAMOGORDO, NM, Tuesday, October 13, 2026 Local on the route, 470 nm along the route · security · starts tomorrow · ZAB
Daylight
Sunset at LAS 6:08 pm PDT (01:08 UTC), at IAH 6:54 pm CDT (23:54 UTC) (civil twilight ends 7:18 pm CDT (00:18 UTC)). At 120 knots the arrival at IAH is before sunrise there (7:21 am CDT (12:21 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: Harry Reid International, George Bush Intcntl/Houston Airport.
