Plan a flight · Mon 10:42 am EDT (14:42 UTC)

Tweed/New Haven Airport to Missoula Montana Airport HVN → MSO

1,788 nautical miles (2,057 statute miles) northwest on a straight line, true course 295°, about 308° magnetic at the departure end (variation 13W). At 120 knots that is 15 h 58 min at the quickest height in today's winds (4,500 ft, a 8-knot headwind), arriving about 12:40 am MDT (06:40 UTC), after sunset at the destination. Right now HVN is VFR, wind from the north (350°) at 9 knots, gusting to 19; MSO is VFR, wind from the north (350°) 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: 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 C20C: thunderstorms (a convective SIGMET) up to 37,000 ft, moving from the southwest at 40 knots, until 11:55 am EDT (15:55 UTC). Over the route from 1138 to 1208 nm out.
as issued
```
WSUS32 KKCI 121355
MKCC WST 121355
CONVECTIVE SIGMET 20C
VALID UNTIL 1555Z
SD ND
FROM 80W GFK-40WNW FAR-40W ABR-50ENE DPR-30S BIS-80W GFK
AREA TS MOV FROM 21040KT. TOPS TO FL370.
```
AIRMET SIERRA 3E: low cloud or poor visibility (IFR conditions) (due to ceilings below 1,000 ft, visibility below 3 miles, precipitation, mist). Over the first 20 nm of the route.
AIRMET TANGO 3W: moderate turbulence above 18,000 ft from 24,000 ft to 40,000 ft. Over the first 60 nm of the route.
AIRMET SIERRA 4E: mountains obscured by cloud (due to mountains obscured by clouds, mist). Over the route from 70 to 220 nm out.
AIRMET SIERRA 3E: low cloud or poor visibility (IFR conditions) (due to ceilings below 1,000 ft, visibility below 3 miles, precipitation, mist). Over the route from 130 to 300 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 route from 899 to 1748 nm out.
AIRMET ZULU 2C: moderate icing up to 23,000 ft. Over the route from 1148 to 1458 nm out.
AIRMET ZULU 2C: moderate icing up to 18,000 ft. Over the last 320 nm of the route.
AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the last 210 nm of the route.
AIRMET TANGO 1W: moderate turbulence above 18,000 ft from 18,000 ft to 39,000 ft. Over the last 10 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 HVN.

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

E75L at 34,000 ft, 12 nm northeast, 10:32 am EDT (14:32 UTC): moderate clear-air turbulence above 34,000 ft. 110 nm along the route, 12 nm northeast of the line.
as filed, and in English
```
BGM UA /OV DNY/TM 1432/FL340/TP E75L/TB OCNL MOD CAT 340
```
Report
a routine report filed through BGM
Where
over DNY
Time
14:32 UTC
Height
at 34,000 ft
Aircraft
E75L
Turbulence
occasional moderate clear-air turbulence at 34,000 ft
CL30 at 34,000 ft, 29 nm northeast, 9:56 am EDT (13:56 UTC): moderate turbulence. 120 nm along the route, 29 nm northeast of the line.
as filed, and in English
```
OIC UA /OV N66/TM 1356/FL340/TP CL30/TB MOD
```
Report
a routine report filed through OIC
Where
over N66
Time
13:56 UTC
Height
at 34,000 ft
Aircraft
CL30
Turbulence
moderate
E75L at 33,000 ft, 40 nm northeast, 9:25 am EDT (13:25 UTC): moderate turbulence. 170 nm along the route, 40 nm northeast of the line.
as filed, and in English
```
SYR UA /OV SYR140015/TM 1325/FL330/TP E75L/TB CONS MOD 350 CONS LGT 330
```
Report
a routine report filed through SYR
Where
15 nm southeast (140°) of SYR
Time
13:25 UTC
Height
at 33,000 ft
Aircraft
E75L
Turbulence
continuous moderate at 35,000 ft continuous light at 33,000 ft
BCS3 , 30 nm south, 10:14 am EDT (14:14 UTC): remarks: bases 1,500 ft + 5 knots ils runway 6. At the departure end, 30 nm south of the line.
as filed, and in English
```
ISP UA /OV KISP/TM 1414/FL-1-/TP BCS3/RM BASES 015 +/- 5KTS ILS RWY 6
```
Report
a routine report filed through ISP
Where
over KISP
Time
14:14 UTC
Height
at -1-
Aircraft
BCS3
Remarks
bases 1,500 ft + 5 knots ils runway 6
B738 descending, 30 nm south, 9:02 am EDT (13:02 UTC): remarks: bases 900 ft. At the departure end, 30 nm south of the line.
as filed, and in English
```
ISP UA /OV ISP/TM 1302/FLDURD/TP B738/RM BASES 009
```
Report
a routine report filed through ISP
Where
over ISP
Time
13:02 UTC
Height
during the descent
Aircraft
B738
Remarks
bases 900 ft
C68A at 3,200 ft, 30 nm south, 8:23 am EDT (12:23 UTC): remarks: dur C. At the departure end, 30 nm south of the line.
as filed, and in English
```
ISP UA /OV 060005/TM 1223/FL032/TP C68A/SK BASES 007 / TOPS 025/RM DUR C
```
Report
a routine report filed through ISP
Where
wind from 060° at 5 knots
Time
12:23 UTC
Height
at 3,200 ft
Aircraft
C68A
Sky
bases 700 ft; tops 2,500 ft
Remarks
dur C
PC12 descending, 28 nm southeast, 7:55 am EDT (11:55 UTC): overcast above 800 ft. At the departure end, 28 nm southeast of the line.
as filed, and in English
```
FOK UA /OV FOK/TM 1155/FLDURD/TP PC12/SK OVC008
```
Report
a routine report filed through FOK
Where
over FOK
Time
11:55 UTC
Height
during the descent
Aircraft
PC12
Sky
overcast from 800 ft
PC12 at 2,500 ft, 30 nm south, 7:51 am EDT (11:51 UTC): remarks: dur D. At the departure end, 30 nm south of the line.
as filed, and in English
```
ISP UA /OV ISP 090 070/TM 1151/FL025/TP PC12/SK TOPS 025/RM DUR D
```
Report
a routine report filed through ISP
Where
isp at 9,000 ft at 7,000 ft
Time
11:51 UTC
Height
at 2,500 ft
Aircraft
PC12
Sky
tops 2,500 ft
Remarks
dur D
PC12 at 5,400 ft, 10 nm south, 10:31 am EDT (14:31 UTC): no turbulence, vmc, remarks: smooth ride. At the departure end, 10 nm south of the line.
as filed, and in English
```
BDR UA /OV KBDR/TM 1431/FL054/TP PC12/SK VMC/TB NEG/RM SMOOTH RIDE
```
Report
a routine report filed through BDR
Where
over KBDR
Time
14:31 UTC
Height
at 5,400 ft
Aircraft
PC12
Sky
visual conditions
Turbulence
none
Remarks
smooth ride
A220 at 4,000 ft, 48 nm southwest, 10:10 am EDT (14:10 UTC): a broken layer from 2,000 ft to 3,400 ft, remarks: during the climb 4L. At the departure end, 48 nm southwest of the line.
as filed, and in English
```
JFK UA /OV JFK100008/TM 1410/FL040/TP A220/SK BKN020-TOP034/RM DURC 4L
```
Report
a routine report filed through JFK
Where
8 nm east (100°) of JFK
Time
14:10 UTC
Height
at 4,000 ft
Aircraft
A220
Sky
a broken layer from 2,000 ft, tops 3,400 ft
Remarks
during the climb 4L
M700 at 4,000 ft, 11 nm south, 9:54 am EDT (13:54 UTC): no turbulence, vmc. At the departure end, 11 nm south of the line.
as filed, and in English
```
BDR UA /OV BDR/TM 1354/FL040/TP M700/SK VMC/TB SMOOTH
```
Report
a routine report filed through BDR
Where
over BDR
Time
13:54 UTC
Height
at 4,000 ft
Aircraft
M700
Sky
visual conditions
Turbulence
smooth
A319 at 3,000 ft, 30 nm north, 9:13 am EDT (13:13 UTC): no turbulence, remarks: visual conditions down to 3,000 ft. At the departure end, 30 nm north of the line.
as filed, and in English
```
BDL UA /OV PENNA/TM 1313/FL030/TP A319/WX TOPS 020/TB SMOOTH/RM VMC DOWN TO 030
```
Report
a routine report filed through BDL
Where
penna
Time
13:13 UTC
Height
at 3,000 ft
Aircraft
A319
Weather
tops, at 2,000 ft
Turbulence
smooth
Remarks
visual conditions down to 3,000 ft
A319 at 1,900 ft, 41 nm northeast, 9:07 am EDT (13:07 UTC): a broken layer above 1,900 ft, remarks: during the descent runway 6. At the departure end, 41 nm northeast of the line.
as filed, and in English
```
BDL UA /OV BDL/TM 1307/FL019/TP A319/SK BKN019/RM DURD RWY6
```
Report
a routine report filed through BDL
Where
over BDL
Time
13:07 UTC
Height
at 1,900 ft
Aircraft
A319
Sky
a broken layer from 1,900 ft
Remarks
during the descent runway 6
A321 at 1,900 ft, 41 nm northeast, 8:58 am EDT (12:58 UTC): a broken layer above 1,900 ft, remarks: during the descent runway 6. At the departure end, 41 nm northeast of the line.
as filed, and in English
```
BDL UA /OV BDL/TM 1258/FL019/TP A321/SK BKN019/RM DURD RWY6
```
Report
a routine report filed through BDL
Where
over BDL
Time
12:58 UTC
Height
at 1,900 ft
Aircraft
A321
Sky
a broken layer from 1,900 ft
Remarks
during the descent runway 6

16 more routine reports are on the map.

Winds aloft along the route, and the time en route the forecast for use 14:00–21:00 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 17 forecast points nearest it (BDL, ALB, AVP, SYR, BUF, TVC, GRB, DLH, AXN, ABR, MOT, DIK, MLS, GGW, BIL, GTF, GPI). A plus sign is a headwind, a minus sign a tailwind.

Height	Average wind	Head- or tailwind	Temperature	Ground speed	Time en route	Arrival
4,500 ft	280° at 8 kt	+8 kt	-1 °C	112 kt	15 h 58 min	12:40 am MDT (06:40 UTC)
6,500 ft	270° at 13 kt	+13 kt	10 °C	107 kt	16 h 43 min	1:25 am MDT (07:25 UTC)
8,500 ft	270° at 15 kt	+16 kt	8 °C	104 kt	17 h 12 min	1:54 am MDT (07:54 UTC)
10,500 ft	270° at 17 kt	+18 kt	4 °C	102 kt	17 h 32 min	2:14 am MDT (08:14 UTC)
12,500 ft	270° at 18 kt	+19 kt	1 °C	101 kt	17 h 42 min	2:24 am MDT (08:24 UTC)
14,500 ft	270° at 21 kt	+21 kt	-4 °C	99 kt	18 h 04 min	2:46 am MDT (08:46 UTC)
16,500 ft	260° at 23 kt	+24 kt	-8 °C	96 kt	18 h 38 min	3:20 am MDT (09:20 UTC)
18,000 ft FL180	260° at 25 kt	+25 kt	-11 °C	95 kt	18 h 49 min	3:31 am MDT (09:31 UTC)
24,000 ft FL240	260° at 29 kt	+29 kt	-23 °C	91 kt	19 h 39 min	4:21 am MDT (10:21 UTC)
30,000 ft FL300	260° at 36 kt	+36 kt	-36 °C	84 kt	21 h 17 min	5:59 am MDT (11:59 UTC)
34,000 ft FL340	260° at 42 kt	+44 kt	-41 °C	76 kt	23 h 32 min	8:14 am MDT (14:14 UTC)
39,000 ft FL390	270° at 50 kt	+53 kt	-47 °C	67 kt	26 h 41 min	11:23 am MDT (17:23 UTC)

Based on data from the 12th at 12:00 UTC; valid on the 12th at 18:00 UTC for use 14:00 to 21:00 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
BDL	used from 0 nm out; 44 nm from the line	330/20	340/23 12°	340/25 8°	340/27 3°	330/30 -9°	330/39 -21°	340/48 -37°	340/53 -46°	320/33 -55°
ALB	used from 50 nm out; 64 nm from the line	310/19	330/25 12°	330/29 8°	330/29 3°	320/34 -10°	310/42 -21°	320/43 -37°	330/55 -47°	320/52 -54°
AVP	used from 100 nm out; 48 nm from the line	330/21	340/24 14°	350/27 9°	350/25 3°	330/29 -8°	310/31 -20°	330/41 -36°	330/57 -46°	320/55 -51°
SYR	used from 150 nm out; 43 nm from the line	290/24	310/27 13°	310/34 8°	320/32 2°	300/32 -10°	300/40 -21°	300/45 -37°	310/58 -47°	310/64 -54°
BUF	used from 200 nm out; 55 nm from the line	270/25	300/28 14°	300/29 8°	310/29 2°	300/30 -9°	290/33 -21°	290/44 -37°	290/56 -47°	300/62 -51°
TVC	used from 449 nm out; 120 nm from the line	260/18	250/30 15°	260/34 8°	280/29 5°	280/36 -10°	280/37 -22°	270/50 -37°	290/46 -42°	300/60 -49°
GRB	used from 649 nm out; 51 nm from the line	260/10	240/27 16°	260/31 10°	270/25 5°	280/31 -10°	280/35 -22°	270/46 -37°	290/43 -40°	300/64 -48°
DLH	used from 799 nm out; 87 nm from the line	090/34	210/13 14°	240/14 11°	250/20 4°	250/38 -10°	260/39 -22°	250/41 -37°	270/53 -41°	280/68 -48°
AXN	used from 949 nm out; 49 nm from the line	110/18	200/12 17°	220/22 12°	230/26 4°	240/31 -10°	240/45 -21°	240/38 -36°	250/49 -38°	260/56 -47°
ABR	used from 1099 nm out; 73 nm from the line	020/9	230/5 12°	190/14 11°	200/25 5°	230/37 -11°	230/50 -23°	240/39 -34°	240/49 -38°	240/55 -46°
MOT	used from 1198 nm out; 96 nm from the line		L/V 2°	220/12 2°	220/27 0°	220/36 -12°	230/33 -24°	230/39 -34°	230/50 -39°	250/63 -46°
DIK	used from 1248 nm out; 52 nm from the line		330/11 1°	230/20 4°	220/22 0°	230/29 -12°	240/27 -25°	240/40 -34°	230/49 -37°	240/55 -44°
MLS	used from 1398 nm out; 46 nm from the line		320/9 -2°	270/14 0°	260/22 -1°	220/30 -14°	210/43 -26°	230/53 -34°	230/54 -38°	230/59 -44°
GGW	used from 1498 nm out; 80 nm from the line		360/9 -3°	L/V -4°	250/12 -4°	250/21 -12°	230/25 -27°	220/53 -34°	230/59 -38°	240/64 -44°
BIL	used from 1548 nm out; 77 nm from the line		L/V	250/11 -1°	240/20 -2°	230/28 -15°	220/28 -28°	220/53 -34°	220/55 -39°	220/63 -44°
GTF	used from 1598 nm out; 59 nm from the line		L/V	L/V -4°	230/12 -3°	210/12 -17°	190/23 -29°	200/48 -39°	210/69 -39°	220/66 -42°
GPI	used from 1748 nm out; 86 nm from the line		L/V -3°	L/V -4°	L/V -6°	210/19 -17°	220/26 -32°	190/23 -40°	220/25 -39°	220/34 -42°

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
HVN New Haven, CT	departure	VFR Sky: scattered clouds at 2,700 feet, a broken layer at 3,400 feet	from the north (350°) at 9 knots, gusting to 19	10+ mi	3,400 ft	12 ft	9:53 am EDT (13:53 UTC)
POU Poughkeepsie, NY	50 nm out, 1 nm northeast of the line, tower	marginal VFR Sky: overcast at 1,100 feet	from the northwest (310°) at 5 knots	10+ mi	1,100 ft	163 ft	14:32 UTC
IAG Niagara Falls, NY	290 nm out, 4 nm southwest of the line, tower	IFR Sky: a broken layer at 800 feet, overcast at 1,400 feet	from the southwest (230°) at 8 knots	8 mi	800 ft	592 ft	13:53 UTC
OSC Oscoda, MI	499 nm out, 9 nm north of the line	VFR	from the southwest (230°) at 9 knots	10+ mi	none	633 ft	14:35 UTC
GOV Grayling, MI	559 nm out, 5 nm northeast of the line, tower	VFR Sky: a broken layer at 20,000 feet Weather: mist	calm	6 mi	20,000 ft	1,158 ft	13:55 UTC
PBH Phillips, WI	809 nm out, 4 nm northeast of the line	VFR	from the north (010°) at 6 knots	10+ mi	none	1,497 ft	14:35 UTC
SAZ Staples, MN	999 nm out, 7 nm northeast of the line	marginal VFR Sky: a broken layer at 1,200 feet	from the east-northeast (070°) at 15 knots	8 mi	1,200 ft	1,287 ft	14:35 UTC
BIS Bismarck, ND	1238 nm out, 4 nm southwest of the line, tower	marginal VFR Sky: scattered clouds at 600 feet, scattered clouds at 1,100 feet, overcast at 1,800 feet	from the north-northeast (020°) at 5 knots	10+ mi	1,800 ft	1,661 ft	14:28 UTC
GDV Glendive, MT	1408 nm out, 7 nm north of the line	low IFR Sky: overcast at 400 feet Weather: light rain	from the northeast (040°) at 7 knots	10+ mi	400 ft	2,458 ft	13:56 UTC
LWT Lewistown, MT	1598 nm out, 1 nm south of the line	no report just now				4,170 ft
HLN Helena, MT	1698 nm out, 24 nm south of the line, tower	marginal VFR Sky: a broken layer at 2,000 feet, overcast at 4,300 feet	from the west (270°) at 6 knots	10+ mi	2,000 ft	3,877 ft	13:53 UTC
MSO Missoula, MT	destination	VFR Sky: overcast at 6,500 feet	from the north (350°) at 3 knots	10+ mi	6,500 ft	3,205 ft	7:53 am MDT (13:53 UTC)

The highest airport on this list sits at 4,170 ft; the ground between airports is higher still. Check the sectional chart for the terrain and the minimum safe heights along the line.

At MSO when you get there the forecast at the estimated arrival, 12:40 am MDT (06:40 UTC)

Wind from the east-southeast at 5 knots, visibility more than 6 miles, overcast at 10,000 feet VFR

The whole forecast for MSO

From Mon 6:00 am MDT (12:00 UTC): wind from the east at 2 knots, visibility more than 6 miles, showers nearby, scattered clouds at 1,500 feet, a broken layer at 4,000 feet
From Mon 8:00 am MDT (14:00 UTC): wind from the east-southeast at 4 knots, visibility more than 6 miles, overcast at 5,000 feet
From Mon 2:00 pm MDT (20:00 UTC): wind from the east-southeast at 5 knots, visibility more than 6 miles, overcast at 10,000 feet

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

6/8927 Kalispell, MT, Wednesday, October 14, 2026 through Wednesday, October 14, 2026 Local on the route, at the destination end · a VIP movement · starts Wednesday 14 October · ZSE
6/8923 Kalispell, MT, Wednesday, October 14, 2026 through Wednesday, October 14, 2026 Local on the route, at the destination end · a VIP movement · starts Wednesday 14 October · ZLC

Daylight

Sunset at HVN 6:15 pm EDT (22:15 UTC), at MSO 6:53 pm MDT (00:53 UTC) (civil twilight ends 7:23 pm MDT (01:23 UTC)). At 120 knots the arrival at MSO is before sunrise there (7:51 am MDT (13:51 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 Northeast · loop National Weather Service

Radar now, the central Great Lakes · loop National Weather Service

Radar now, the upper 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: Tweed/New Haven Airport, Missoula Montana Airport.