Watertown International to Washington Dulles International ART → IAD
310 nautical miles (356 statute miles) south on a straight line, true course 193°, about 205° magnetic at the departure end (variation 12W). At 120 knots that is 2 h 21 min at the quickest height in today's winds (6,500 ft, a 12-knot tailwind), arriving about 1:44 am EDT (05:44 UTC), after sunset at the destination. Right now ART is marginal VFR, wind calm; IAD is IFR, wind from the north-northwest (340°) 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
- SIGMET E11E: thunderstorms (a convective SIGMET) up to 34,000 ft, moving from the southwest at 20 knots, until 12:55 am EDT (04:55 UTC). Over the last 80 nm of the route.
as issued
WSUS31 KKCI 120255 MKCE WST 120255 CONVECTIVE SIGMET 11E VALID UNTIL 0455Z NY NJ PA DE MD VA DC WV AND DE NJ NY MD CT VA CSTL WTRS FROM 20NE JFK-90SE SIE-20NNW ORF-30ENE EKN-10S JST-20NE JFK AREA EMBD TS MOV FROM 24020KT. TOPS TO FL340.
- AIRMET ZULU 1C: moderate icing up to 25,000 ft. Over the first 90 nm of the route.
- AIRMET TANGO 3W: moderate turbulence above 18,000 ft from 21,000 ft to 33,000 ft. Over the whole route.
- AIRMET SIERRA 4E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the route from 60 to 240 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 last 220 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 ART.
Pilot reports along the route within 50 nm of the line, last three hours, the serious ones first
- E145 at 12,000 ft, 38 nm east, 8:43 pm EDT (00:43 UTC): moderate turbulence. 230 nm along the route, 38 nm east of the line.
as filed, and in English
LNS UA /OV LRP/TM 0043/FL120/TP E145/TB CONS MOD
- Report
- a routine report filed through LNS
- Where
- over LRP
- Time
- 00:43 UTC
- Height
- at 12,000 ft
- Aircraft
- E145
- Turbulence
- continuous moderate
- B752 at 30,000 ft, 37 nm west, 10:26 pm EDT (02:26 UTC): moderate chop turbulence, remarks: zob. 240 nm along the route, 37 nm west of the line.
as filed, and in English
HGR UA /OV THS010020/TM 0226/FL300/TP B752/TB MOD CHOP/RM ZOB
- Report
- a routine report filed through HGR
- Where
- 20 nm north (010°) of THS
- Time
- 02:26 UTC
- Height
- at 30,000 ft
- Aircraft
- B752
- Turbulence
- moderate chop
- Remarks
- zob
- UAL1558 at 30,000 ft, 27 nm west, 10:22 pm EDT (02:22 UTC): moderate turbulence, -36 °C, wind 240° at 50 knots. 240 nm along the route, 27 nm west of the line.
as filed, and in English
ARP UAL1558 4014N 07742W 0222 F300 MS36 240/050KT TB MODERATE SK CLEAR IC NONE
- Report
- a routine report filed through ARP
- B38M at 20,000 ft, 20 nm west, 11:11 pm EDT (03:11 UTC): moderate clear-air turbulence from 20,000 ft to 25,000 ft. At the destination end, 20 nm west of the line.
as filed, and in English
IAD UA /OV AML300020/TM 0311/FL200/TP B38M/TB MOD CAT 200-250
- Report
- a routine report filed through IAD
- Where
- 20 nm northwest (300°) of AML
- Time
- 03:11 UTC
- Height
- at 20,000 ft
- Aircraft
- B38M
- Turbulence
- moderate clear-air turbulence from 20,000 ft to 25,000 ft
- PC12 at 17,000 ft, 26 nm west, 8:29 pm EDT (00:29 UTC): light icing, -6 °C. 20 nm along the route, 26 nm west of the line.
as filed, and in English
ART UA /OV ART260030/TM 0029/FL170/TP PC12/TA M06/IC LGT MOD
- Report
- a routine report filed through ART
- Where
- 30 nm west (260°) of ART
- Time
- 00:29 UTC
- Height
- at 17,000 ft
- Aircraft
- PC12
- Temperature
- −6 °C
- Icing
- light moderate
- CRJ7 at 3,100 ft, 48 nm east, 9:24 pm EDT (01:24 UTC): a routine report with nothing remarked on. 150 nm along the route, 48 nm east of the line.
as filed, and in English
AVP UA /OV AVP/TM 0124/FL031/TP CRJ7/SK TOP031
- Report
- a routine report filed through AVP
- Where
- over AVP
- Time
- 01:24 UTC
- Height
- at 3,100 ft
- Aircraft
- CRJ7
- Sky
- TOP031
- BCS3 at 2,500 ft, 48 nm east, 9:04 pm EDT (01:04 UTC): overcast above 2,500 ft. 150 nm along the route, 48 nm east of the line.
as filed, and in English
AVP UA /OV AVP/TM 0104/FL025/TP BCS3/SK OVC025
- Report
- a routine report filed through AVP
- Where
- over AVP
- Time
- 01:04 UTC
- Height
- at 2,500 ft
- Aircraft
- BCS3
- Sky
- overcast from 2,500 ft
- PC12 at 1,000 ft, 50 nm east, 10:28 pm EDT (02:28 UTC): overcast above 1,000 ft. 210 nm along the route, 50 nm east of the line.
as filed, and in English
RDG UA /OV 2 SOUTH RDG/TM 0228/FL010/TP PC12/SK OVC010
- Report
- a routine report filed through RDG
- Where
- 2 south rdg
- Time
- 02:28 UTC
- Height
- at 1,000 ft
- Aircraft
- PC12
- Sky
- overcast from 1,000 ft
- C25B at 800 ft, 12 nm east, 9:41 pm EDT (01:41 UTC): remarks: bases 800 ft. 230 nm along the route, 12 nm east of the line.
as filed, and in English
MDT UA /OV CXY/TM 0141/FL008/TP C25B/RM BASES 008
- Report
- a routine report filed through MDT
- Where
- over CXY
- Time
- 01:41 UTC
- Height
- at 800 ft
- Aircraft
- C25B
- Remarks
- bases 800 ft
- E145 at 8,000 ft, 26 nm east, 8:30 pm EDT (00:30 UTC): light chop turbulence. 230 nm along the route, 26 nm east of the line.
as filed, and in English
MDT UA /OV 10 SE MDT/TM 0030/FL080/TP E145/TB LIGHT CHOP GOING THROUGH THE MODERATE RAIN
- Report
- a routine report filed through MDT
- Where
- 10 southeast mdt
- Time
- 00:30 UTC
- Height
- at 8,000 ft
- Aircraft
- E145
- Turbulence
- light chop going through the moderate rain
- B712 descending, 33 nm east, 11:10 pm EDT (03:10 UTC): remarks: light rain light chop bases 50,000 ft ft. 290 nm along the route, 33 nm east of the line.
as filed, and in English
BWI UA /OV RWY 15R/TM 0310/FLDURD/TP B712/RM LIGHT RAIN. LIGHT CHOP. BASES 500 FT
- Report
- a routine report filed through BWI
- Where
- runway 15R
- Time
- 03:10 UTC
- Height
- during the descent
- Aircraft
- B712
- Remarks
- light rain light chop bases 50,000 ft ft
- A320 at 2,000 ft, 36 nm east, 9:46 pm EDT (01:46 UTC): a broken layer from 30,000 ft to 4,500 ft, remarks: CONLE5 sid. 290 nm along the route, 36 nm east of the line.
as filed, and in English
BWI UA /OV BAL180005/TM 0146/FL020/TP A320/SK BKN003-TOP045/RM CONLE5 SID
- Report
- a routine report filed through BWI
- Where
- 5 nm south (180°) of BAL
- Time
- 01:46 UTC
- Height
- at 2,000 ft
- Aircraft
- A320
- Sky
- a broken layer from 300 ft, tops 4,500 ft
- Remarks
- CONLE5 sid
- B738 at 2,000 ft, 31 nm east, 9:43 pm EDT (01:43 UTC): a broken layer from 40,000 ft to 7,200 ft, remarks: TERPZ8 sid. 290 nm along the route, 31 nm east of the line.
as filed, and in English
BWI UA /OV BAL260003/TM 0143/FL20/TP B738/SK BKN004-TOP072/RM TERPZ8 SID
- Report
- a routine report filed through BWI
- Where
- 3 nm west (260°) of BAL
- Time
- 01:43 UTC
- Height
- at 2,000 ft
- Aircraft
- B738
- Sky
- a broken layer from 400 ft, tops 7,200 ft
- Remarks
- TERPZ8 sid
- B38M at 400 ft, 20 nm east, 9:15 pm EDT (01:15 UTC): overcast above 40,000 ft. At the destination end, 20 nm east of the line.
as filed, and in English
DCA UA /OV DCA/TM 0115/FL004/TP B38M/SK OVC004
- Report
- a routine report filed through DCA
- Where
- over DCA
- Time
- 01:15 UTC
- Height
- at 400 ft
- Aircraft
- B38M
- Sky
- overcast from 400 ft
2 more routine reports are on the map.
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 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 4 forecast points nearest it (SYR, AVP, PSB, RIC). 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 | 340° at 9 kt | −8 kt | 13 °C | 128 kt | 2 h 25 min | 1:48 am EDT (05:48 UTC) |
| 6,500 ft | 340° at 13 kt | −12 kt | 11 °C | 132 kt | 2 h 21 min | 1:44 am EDT (05:44 UTC) |
| 8,500 ft | 310° at 12 kt | −6 kt | 8 °C | 126 kt | 2 h 28 min | 1:51 am EDT (05:51 UTC) |
| 10,500 ft | 290° at 13 kt | −2 kt | 5 °C | 122 kt | 2 h 32 min | 1:55 am EDT (05:55 UTC) |
| 12,500 ft | 280° at 14 kt | 0 | 2 °C | 120 kt | 2 h 35 min | 1:58 am EDT (05:58 UTC) |
| 14,500 ft | 280° at 15 kt | +2 kt | -3 °C | 118 kt | 2 h 38 min | 2:01 am EDT (06:01 UTC) |
| 16,500 ft | 270° at 17 kt | +3 kt | -8 °C | 117 kt | 2 h 39 min | 2:02 am EDT (06:02 UTC) |
| 18,000 ft FL180 | 270° at 18 kt | +4 kt | -11 °C | 116 kt | 2 h 40 min | 2:03 am EDT (06:03 UTC) |
| 24,000 ft FL240 | 240° at 24 kt | +14 kt | -23 °C | 106 kt | 2 h 55 min | 2:18 am EDT (06:18 UTC) |
| 30,000 ft FL300 | 250° at 34 kt | +16 kt | -36 °C | 104 kt | 2 h 59 min | 2:22 am EDT (06:22 UTC) |
| 34,000 ft FL340 | 240° at 46 kt | +30 kt | -41 °C | 90 kt | 3 h 27 min | 2:50 am EDT (06:50 UTC) |
| 39,000 ft FL390 | 240° at 51 kt | +33 kt | -49 °C | 87 kt | 3 h 34 min | 2:57 am EDT (06:57 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| SYR | used from 0 nm out; 29 nm from the line | 280/13 | 350/18 10° | 340/10 6° | 300/15 1° | 280/17 -12° | 270/16 -23° | 280/25 -38° | 250/40 -42° | 240/53 -50° |
| AVP | used from 100 nm out; 55 nm from the line | 150/5 | 350/13 12° | 270/20 8° | 260/17 4° | 260/25 -11° | 240/31 -22° | 240/54 -35° | 230/61 -41° | 240/55 -49° |
| PSB | used from 200 nm out; 56 nm from the line | 360/13 13° | 330/14 7° | 300/11 3° | 290/12 -11° | 240/23 -23° | 270/25 -36° | 250/34 -40° | 250/45 -48° | |
| RIC | used from 300 nm out; 92 nm from the line | 270/23 | 280/19 11° | 270/18 8° | 240/22 4° | 230/39 -7° | 220/55 -18° | 220/75 -30° | 230/83 -39° | 230/64 -50° |
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 |
|---|---|---|---|---|---|---|---|
| ART Watertown, NY | departure | marginal VFR Sky: overcast at 2,700 feet Weather: light rain | calm | 10+ mi | 2,700 ft | 330 ft | 10:56 pm EDT (02:56 UTC) |
| FZY Fulton, NY | 40 nm out, 7 nm west of the line | IFR Sky: a broken layer at 500 feet, overcast at 5,000 feet Weather: light rain | variable at 3 knots | 9 mi | 500 ft | 475 ft | 03:03 UTC |
| SYR Syracuse, NY | 50 nm out, 8 nm southeast of the line, tower | VFR Sky: a few clouds at 600 feet, a broken layer at 5,000 feet, overcast at 6,500 feet Weather: light rain | from the east-northeast (070°) at 6 knots | 9 mi | 5,000 ft | 421 ft | 02:54 UTC |
| ITH Ithaca, NY | 90 nm out, 2 nm south of the line, tower | VFR Sky: overcast at 3,600 feet Weather: light rain | variable at 4 knots | 10+ mi | 3,600 ft | 1,099 ft | 02:56 UTC |
| IPT Williamsport, PA | 170 nm out, 4 nm west of the line, tower | marginal VFR Sky: overcast at 2,300 feet | calm | 10+ mi | 2,300 ft | 528 ft | 02:54 UTC |
| SEG Selinsgrove, PA | 190 nm out, 6 nm southeast of the line | marginal VFR Sky: a broken layer at 1,000 feet, overcast at 1,800 feet | from the north (350°) at 7 knots | 10+ mi | 1,000 ft | 463 ft | 03:00 UTC |
| CXY Harrisburg, PA | 230 nm out, 12 nm east of the line, tower | IFR Sky: overcast at 700 feet | from the north-northeast (030°) at 3 knots | 8 mi | 700 ft | 346 ft | 02:56 UTC |
| FDK Frederick, MD | 280 nm out, 2 nm southwest of the line, tower | IFR Sky: overcast at 600 feet Weather: light rain, mist | from the north (350°) at 7 knots | 4 mi | 600 ft | 308 ft | 03:15 UTC |
| IAD Washington, DC | destination | IFR Sky: overcast at 600 feet Weather: light rain | from the north-northwest (340°) at 10 knots | 10+ mi | 600 ft | 312 ft | 10:52 pm EDT (02:52 UTC) |
The highest airport on this list sits at 1,099 ft; the ground between airports is higher still. Check the sectional chart for the terrain and the minimum safe heights along the line.
At IAD when you get there the forecast at the estimated arrival, 1:44 am EDT (05:44 UTC)
Wind from the north-northwest at 10 knots, visibility 3 miles, light rain showers, mist, overcast at 600 feet IFR
The whole forecast for IAD
- From Sun 11:00 pm EDT (03:00 UTC): wind from the north-northwest at 10 knots, visibility 3 miles, light rain showers, mist, overcast at 600 feet
- From Mon 6:00 am EDT (10:00 UTC): wind from the north-northwest at 11 knots, gusting to 19, visibility more than 6 miles, overcast at 1,400 feet
- From Mon 12:00 pm EDT (16:00 UTC): wind from the north-northwest at 13 knots, gusting to 21, visibility more than 6 miles, overcast at 2,100 feet
- From Mon 2:00 pm EDT (18:00 UTC): wind from the north-northwest at 10 knots, gusting to 17, visibility more than 6 miles, a broken layer at 4,000 feet
- From Mon 7:00 pm EDT (23:00 UTC): wind from the northwest at 6 knots, visibility more than 6 miles, scattered clouds at 25,000 feet
The forecast for ART, the departure
- From Sun 8:00 pm EDT (00:00 UTC): wind calm, visibility more than 6 miles, overcast at 3,000 feet
- 30% chance between Sun 8:00 pm EDT (00:00 UTC) and 11:00 pm EDT (03:00 UTC): visibility 4 miles, light rain, overcast at 1,500 feet
- From Mon 12:00 am EDT (04:00 UTC): wind calm, visibility 6 miles, mist, overcast at 1,500 feet
- From Mon 2:00 am EDT (06:00 UTC): wind calm, visibility 4 miles, mist, overcast at 300 feet
- From Mon 10:00 am EDT (14:00 UTC): wind light and variable, visibility more than 6 miles, overcast at 1,500 feet
- From Mon 6:00 pm EDT (22:00 UTC): wind from the southwest at 4 knots, visibility more than 6 miles, overcast at 2,000 feet
Temporary flight restrictions on the line or within 25 nm of it
- 6/8600 Sterling, VA, Monday, October 12, 2026 through Monday, October 12, 2026 Local 0 nm from the route, at the destination end · a VIP movement · today · ZDC
- 4/9383 WASHINGTON, DC., USA 8 nm from the route, at the destination end · security · ZDC
Daylight
Sunset at ART 6:25 pm EDT (22:25 UTC), at IAD 6:36 pm EDT (22:36 UTC) (civil twilight ends 7:02 pm EDT (23:02 UTC)). At 120 knots the arrival at IAD is before sunrise there (7:16 am EDT (11:16 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: Watertown International, Washington Dulles International.