Plan a flight · Sun 11:37 pm AKDT (07:37 UTC)

Fairbanks International to Boise Air Trml/Gowen Field FAI → BOI

1,657 nautical miles (1,907 statute miles) southeast on a straight line, true course 125°, about 110° magnetic at the departure end (variation 15E). At 120 knots that is 10 h 33 min at the quickest height in today's winds (34,000 ft, a 37-knot tailwind), arriving about 12:10 pm MDT (18:10 UTC). Right now FAI is marginal VFR, wind calm; BOI is VFR, wind from the west-northwest (290°) 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: 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 TANGO 1W: moderate turbulence above 18,000 ft from 18,000 ft to 39,000 ft, from 10:00 pm AKDT (06:00 UTC). Over the route from 1288 to 1488 nm out.
AIRMET ZULU 2C: moderate icing up to 23,000 ft, from 10:00 pm AKDT (06:00 UTC). Over the route from 1398 to 1587 nm out.
AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist), from 10:00 pm AKDT (06:00 UTC). Over the route from 1488 to 1547 nm out.
AIRMET TANGO 1W: moderate turbulence above 18,000 ft from 18,000 ft to 36,000 ft, from 10:00 pm AKDT (06:00 UTC). Over the last 50 nm of the route.
AIRMET ZULU 2C: moderate icing up to 23,000 ft, from 10:00 pm AKDT (06:00 UTC). Near the route, at the destination end.

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 FAI.

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

BE20 at 12,000 ft, 4 nm west, 10:45 pm AKDT (06:45 UTC): light chop turbulence from 10,000 ft to 12,000 ft, no icing, remarks: during the descent 5M fna for runway 02L ais at 2,500 ft fai approach akfss. At the departure end, 4 nm west of the line.
as filed, and in English
```
FAI UA /OV FAI /TM 0645 /FL120 /TP BE20 /TB LGT CHOP 120-100 /IC NEG /RM DURD 5M FNA FOR RWY02L AIS 025 FAI APCH AKFSS
```
Report
a routine report filed through FAI
Where
over FAI
Time
06:45 UTC
Height
at 12,000 ft
Aircraft
BE20
Turbulence
light chop from 12,000 ft to 10,000 ft
Icing
none
Remarks
during the descent 5M fna for runway 02L ais at 2,500 ft fai approach akfss
B737 descending, 45 nm southwest, 10:51 pm AKDT (06:51 UTC): remarks: during the descent runway 8 ais 2SM gusty winds akfss. 539 nm along the route, 45 nm southwest of the line.
as filed, and in English
```
JNU UA /OV JNU /TM 0651 /FLUNKN /TP B737 /RM DURD RY8 AIS 2SM GUSTY WINDS AKFSS
```
Report
a routine report filed through JNU
Where
over JNU
Time
06:51 UTC
Height
height not given
Aircraft
B737
Remarks
during the descent runway 8 ais 2SM gusty winds akfss
B737 at 2,200 ft, 45 nm southwest, 10:09 pm AKDT (06:09 UTC): light chop turbulence, no icing, a broken layer above 2,200 ft, remarks: during the climb zan. 539 nm along the route, 45 nm southwest of the line.
as filed, and in English
```
JNU UA /OV JNU/TM 0609/FL022/TP B737/SK BKN022/TB LGT CHOP/IC NEG/RM DURC/ ZAN
```
Report
a routine report filed through JNU
Where
over JNU
Time
06:09 UTC
Height
at 2,200 ft
Aircraft
B737
Sky
a broken layer from 2,200 ft
Turbulence
light chop
Icing
none
Remarks
during the climb zan
B737 descending, 45 nm southwest, 8:53 pm AKDT (04:53 UTC): light chop turbulence, remarks: during the descent runway 8 akfss. 539 nm along the route, 45 nm southwest of the line.
as filed, and in English
```
JNU UA /OV JNU /TM 0453 /FLUNKN /TP B737 /TB LGT CHOP /RM DURD RY8 AKFSS
```
Report
a routine report filed through JNU
Where
over JNU
Time
04:53 UTC
Height
height not given
Aircraft
B737
Turbulence
light chop
Remarks
during the descent runway 8 akfss
E75L at 1,500 ft, 25 nm southwest, 8:49 pm AKDT (04:49 UTC): remarks: low-level wind shear loss of 8 knots on final. 1458 nm along the route, 25 nm southwest of the line.
as filed, and in English
```
PSC UA /OV PSC120003/TM 0449/FL015/TP E75L/RM LLWS LOSS OF 8 KTS ON FINAL
```
Report
a routine report filed through PSC
Where
3 nm southeast (120°) of PSC
Time
04:49 UTC
Height
at 1,500 ft
Aircraft
E75L
Remarks
low-level wind shear loss of 8 knots on final

Winds aloft along the route, and the time en route the forecast for use 02:00–09:00 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 5 forecast points nearest it (FAI, ORT, YAK, JNU, ANN). 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	200° at 13 kt	+7 kt		113 kt	14 h 40 min	4:17 pm MDT (22:17 UTC)
5,500 ft	230° at 17 kt	0	-4 °C	120 kt	13 h 48 min	3:25 pm MDT (21:25 UTC)
7,500 ft	240° at 21 kt	−1 kt	-1 °C	121 kt	13 h 42 min	3:19 pm MDT (21:19 UTC)
9,500 ft	240° at 23 kt	−1 kt	-5 °C	121 kt	13 h 42 min	3:19 pm MDT (21:19 UTC)
11,500 ft	230° at 26 kt	−1 kt	-8 °C	121 kt	13 h 42 min	3:19 pm MDT (21:19 UTC)
13,500 ft	240° at 29 kt	−3 kt	-11 °C	123 kt	13 h 28 min	3:05 pm MDT (21:05 UTC)
15,500 ft	240° at 31 kt	−5 kt	-15 °C	125 kt	13 h 15 min	2:52 pm MDT (20:52 UTC)
17,500 ft	240° at 34 kt	−8 kt	-19 °C	128 kt	12 h 57 min	2:34 pm MDT (20:34 UTC)
18,000 ft FL180	250° at 35 kt	−8 kt	-20 °C	128 kt	12 h 57 min	2:34 pm MDT (20:34 UTC)
24,000 ft FL240	240° at 45 kt	−10 kt	-31 °C	130 kt	12 h 45 min	2:22 pm MDT (20:22 UTC)
30,000 ft FL300	260° at 53 kt	−24 kt	-44 °C	144 kt	11 h 30 min	1:07 pm MDT (19:07 UTC)
34,000 ft FL340	270° at 62 kt	−37 kt	-50 °C	157 kt	10 h 33 min	12:10 pm MDT (18:10 UTC)
39,000 ft FL390	270° at 53 kt	−31 kt	-53 °C	151 kt	10 h 58 min	12:35 pm MDT (18:35 UTC)

Based on data from the 12th at 00:00 UTC; valid on the 12th at 06:00 UTC for use 02:00 to 09:00 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
FAI	used from 0 nm out; 25 nm from the line	270/11	280/15 -5°	270/15 -11°	290/10 -18°	L/V -30°	230/6 -43°	300/15 -54°	280/18 -53°	240/26 -48°
ORT	used from 100 nm out; 68 nm from the line		280/10 -4°	260/14 -10°	260/16 -17°	220/15 -30°	210/30 -44°	240/41 -51°	240/43 -49°	240/45 -46°
YAK	used from 300 nm out; 118 nm from the line	210/8	240/15 -5°	250/20 -11°	250/25 -18°	240/49 -27°	240/60 -35°	240/78 -45°	240/74 -47°	240/68 -46°
JNU	used from 449 nm out; 78 nm from the line	180/24	230/31 0°	230/32 -6°	230/41 -12°	240/62 -21°	240/73 -32°	240/94 -45°	250/94 -50°	250/78 -50°
ANN	used from 649 nm out; 131 nm from the line	180/12	230/21 4°	230/24 0°	230/29 -4°	250/35 -15°	250/46 -27°	270/51 -41°	280/67 -51°	280/54 -57°

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
FAI Fairbanks, AK	departure	marginal VFR Sky: scattered clouds at 700 feet, overcast at 1,000 feet Weather: light rain, mist	calm	5 mi	1,000 ft	439 ft	11:05 pm AKDT (07:05 UTC)
6K8 Tok, AK	160 nm out, 7 nm north of the line	VFR Sky: overcast at 8,500 feet	from the east (080°) at 4 knots	10+ mi	8,500 ft	1,642 ft	06:56 UTC
CYXQ Beaver Creek,	240 nm out, 4 nm northwest of the line	VFR Sky: overcast at 24,000 feet	from the east-northeast (070°) at 7 knots	30 mi	24,000 ft	2,129 ft	22:00 UTC
CYHT Haines Junction,	369 nm out, 6 nm southwest of the line	no report just now				2,150 ft
TKL Taku Lodge, AK	549 nm out, 25 nm southwest of the line	no report just now				0 ft
CYYD Smithers,	859 nm out, 5 nm northeast of the line	VFR Sky: overcast at 8,100 feet	from the south (190°) at 3 knots	9 mi	8,100 ft	1,716 ft	07:00 UTC
ALW Walla Walla, WA	1478 nm out, 5 nm south of the line, tower	VFR Sky: a broken layer at 6,000 feet, overcast at 7,500 feet	from the south (170°) at 7 knots	10+ mi	6,000 ft	1,194 ft	06:53 UTC
JSY Joseph, OR	1537 nm out, 15 nm east of the line	VFR	from the south-southwest (210°) at 4 knots	10+ mi	none	4,126 ft	14:30 UTC
BOI Boise, ID	destination	VFR Sky: overcast at 9,000 feet	from the west-northwest (290°) at 10 knots	10+ mi	9,000 ft	2,871 ft	12:53 am MDT (06:53 UTC)

The highest airport on this list sits at 4,126 ft; the ground between airports is higher still. Check the sectional chart for the terrain and the minimum safe heights along the line.

At BOI when you get there the forecast at the estimated arrival, 12:10 pm MDT (18:10 UTC)

Wind from the northwest at 10 knots, visibility more than 6 miles, a broken layer at 10,000 feet VFR

The whole forecast for BOI

From Mon 12:00 am MDT (06:00 UTC): wind light and variable, visibility more than 6 miles, a broken layer at 8,000 feet
From Mon 2:00 am MDT (08:00 UTC): wind from the west-northwest at 5 knots, visibility more than 6 miles, scattered clouds at 4,000 feet, a broken layer at 8,000 feet
From Mon 12:00 pm MDT (18:00 UTC): wind from the northwest at 10 knots, visibility more than 6 miles, a broken layer at 10,000 feet

The forecast for FAI, the departure

From Sun 10:00 pm AKDT (06:00 UTC): wind from the southwest at 3 knots, visibility more than 6 miles, light rain showers, a broken layer at 700 feet, overcast at 4,000 feet
From Mon 2:00 am AKDT (10:00 UTC): wind from the south at 2 knots, visibility more than 6 miles, a broken layer at 4,000 feet
At times between Mon 6:00 am AKDT (14:00 UTC) and 10:00 am AKDT (18:00 UTC): visibility 5 miles, mist, overcast at 700 feet

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

6/6654 28NM W TWISP, WA, Thursday, October 1, 2026 through Thursday, October 15, 2026 UTC 18 nm from the route, 1308 nm along the route · a hazard on the ground (fire-fighting, a chemical spill, rescue work) · until 15 October · ZSE

Daylight

Sunset at FAI 6:39 pm AKDT (02:39 UTC), at BOI 7:05 pm MDT (01:05 UTC) (civil twilight ends 7:33 pm MDT (01:33 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, Alaska · loop National Weather Service

Radar now, the Pacific Northwest · 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: Fairbanks International, Boise Air Trml/Gowen Field.