Phoenix Goodyear Airport to Great Falls International GYR → GTF
845 nautical miles (973 statute miles) north on a straight line, true course 003°, about 353° magnetic at the departure end (variation 10E). At 120 knots that is 4 h 43 min at the quickest height in today's winds (34,000 ft, a 59-knot tailwind), arriving about 8:25 am MDT (14:25 UTC). 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
- SIGMET W18W: thunderstorms (a convective SIGMET) up to 30,000 ft, moving from the southwest at 20 knots, until 3:55 am MST (10:55 UTC). Near the route, 288 nm along the route.
as issued
WSUS33 KKCI 120855 MKCW WST 120855 CONVECTIVE SIGMET 18W VALID UNTIL 1055Z AZ UT NV FROM 20WNW BVL-30N BCE-60SSW BCE-50NNE LAS-60NNW ELY-20WNW BVL AREA TS MOV FROM 24020KT. TOPS TO FL300.
- AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the route from 30 to 835 nm out.
- AIRMET TANGO 1W: moderate turbulence below 18,000 ft (due to mountain wave) up to 12,000 ft. Over the route from 40 to 448 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). Near the route, 90 nm along the route.
- 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 99 to 189 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 99 to 388 nm out.
- AIRMET ZULU 2C: moderate icing up to 23,000 ft. Over the route from 259 to 696 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 last 298 nm of the route.
- AIRMET ZULU 2C: moderate icing up to 18,000 ft. Over the last 139 nm of 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 GYR.
Pilot reports along the route within 50 nm of the line, last three hours, the serious ones first
Not fetched just now.
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 westbound cruising heights for this course (VFR: even thousands plus 500 ft; above 18,000 ft the forecast levels), with the wind averaged along the line from the 7 forecast points nearest it (PHX, PRC, BCE, SLC, PIH, DLN, GTF). A plus sign is a headwind, a minus sign a tailwind.
| Height | Average wind | Head- or tailwind | Temperature | Ground speed | Time en route | Arrival |
|---|---|---|---|---|---|---|
| 8,500 ft | 190° at 18 kt | −18 kt | 1 °C | 138 kt | 6 h 07 min | 9:49 am MDT (15:49 UTC) |
| 10,500 ft | 200° at 25 kt | −24 kt | -1 °C | 144 kt | 5 h 52 min | 9:34 am MDT (15:34 UTC) |
| 12,500 ft | 200° at 30 kt | −28 kt | -4 °C | 148 kt | 5 h 43 min | 9:25 am MDT (15:25 UTC) |
| 14,500 ft | 210° at 35 kt | −31 kt | -8 °C | 151 kt | 5 h 36 min | 9:18 am MDT (15:18 UTC) |
| 16,500 ft | 210° at 40 kt | −35 kt | -12 °C | 155 kt | 5 h 27 min | 9:09 am MDT (15:09 UTC) |
| 18,000 ft FL180 | 210° at 44 kt | −38 kt | -15 °C | 158 kt | 5 h 21 min | 9:03 am MDT (15:03 UTC) |
| 24,000 ft FL240 | 220° at 57 kt | −47 kt | -24 °C | 167 kt | 5 h 04 min | 8:46 am MDT (14:46 UTC) |
| 30,000 ft FL300 | 220° at 70 kt | −58 kt | -31 °C | 178 kt | 4 h 45 min | 8:27 am MDT (14:27 UTC) |
| 34,000 ft FL340 | 220° at 72 kt | −59 kt | -36 °C | 179 kt | 4 h 43 min | 8:25 am MDT (14:25 UTC) |
| 39,000 ft FL390 | 220° at 68 kt | −55 kt | -44 °C | 175 kt | 4 h 50 min | 8:32 am MDT (14:32 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| PHX | used from 0 nm out; 30 nm from the line | 190/15 | 210/25 12° | 200/34 4° | 200/34 2° | 220/58 -9° | 220/75 -19° | 220/91 -28° | 220/100 -35° | 220/95 -47° |
| PRC | used from 50 nm out; 6 nm from the line | 200/37 6° | 200/35 0° | 220/60 -11° | 220/71 -20° | 220/88 -29° | 220/98 -35° | 220/94 -45° | ||
| BCE | used from 149 nm out; 83 nm from the line | 200/32 -2° | 210/57 -15° | 220/71 -22° | 220/69 -30° | 220/64 -38° | 220/67 -44° | |||
| SLC | used from 348 nm out; 70 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° | |
| PIH | used from 497 nm out; 59 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° | |
| DLN | used from 646 nm out; 56 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° | ||
| GTF | used from 796 nm out; 25 nm from the line | L/V | L/V -7° | 240/8 -8° | 240/30 -14° | 240/40 -28° | 210/52 -38° | 210/76 -38° | 220/72 -43° |
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 |
|---|---|---|---|---|---|---|---|
| GYR Goodyear, AZ | departure | no report just now | 969 ft | ||||
| PRC Prescott, AZ | 70 nm out, 7 nm northwest of the line, tower | no report just now | 5,045 ft | ||||
| GCN Grand Canyon, AZ | 149 nm out, 5 nm northeast of the line, tower | no report just now | 6,608 ft | ||||
| KNB Kanab, UT | 219 nm out, 18 nm west of the line | no report just now | 4,867 ft | ||||
| BCE Bryce Canyon, UT | 259 nm out, 2 nm southwest of the line | no report just now | 7,589 ft | ||||
| PVU Provo, UT | 408 nm out, 10 nm east of the line, tower | no report just now | 4,496 ft | ||||
| SLC Salt Lake City, UT | 448 nm out, 6 nm southwest of the line, tower | no report just now | 4,230 ft | ||||
| MLD Malad City, ID | 527 nm out, 22 nm west of the line | no report just now | 4,503 ft | ||||
| IDA Idaho Falls, ID | 607 nm out, 16 nm west of the line, tower | no report just now | 4,743 ft | ||||
| BZN Bozeman, MT | 746 nm out, 16 nm east of the line, tower | no report just now | 4,473 ft | ||||
| HLN Helena, MT | 796 nm out, 22 nm west of the line, tower | no report just now | 3,877 ft | ||||
| GTF Great Falls, MT | destination | no report just now | 3,680 ft |
The highest airport on this list sits at 7,589 ft; the ground between airports is higher still. Check the sectional chart for the terrain and the minimum safe heights along the line.
At GTF when you get there the forecast at the estimated arrival, 8:25 am MDT (14:25 UTC)
GTF has no terminal forecast; use the nearest airport that does.
Temporary flight restrictions on the line or within 25 nm of it
No temporary flight restriction on or near this route right now.
Daylight
Sunset at GYR 5:58 pm MST (00:58 UTC), at GTF 6:41 pm MDT (00:41 UTC) (civil twilight ends 7:12 pm MDT (01:12 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: Phoenix Goodyear Airport, Great Falls International.