Pittsburgh International to Seattle-Tacoma International PIT → SEA
1,842 nautical miles (2,120 statute miles) northwest on a straight line, true course 297°, about 306° magnetic at the departure end (variation 9W). At 120 knots that is 14 h 51 min at the quickest height in today's winds (4,500 ft, a 4-knot tailwind), arriving about 8:55 am PDT (15:55 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: 939 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 3W: moderate turbulence above 18,000 ft from 21,000 ft to 33,000 ft. Over the first 10 nm of the route.
- AIRMET SIERRA 4E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the first 10 nm of the route.
- 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 60 to 179 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). Near the route, 767 nm along the route.
- 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 976 to 1593 nm out.
- AIRMET TANGO 4W: moderate turbulence above 18,000 ft from 18,000 ft to 36,000 ft. Over the route from 1065 to 1573 nm out.
- AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the route from 1294 to 1633 nm out.
- AIRMET ZULU 2C: moderate icing up to 14,000 ft. Over the route from 1493 to 1722 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 PIT.
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 20:00–03:00 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 (AGC, CLE, FWA, MKG, GRB, LSE, MSP, AXN, ABR, DIK, MLS, BIL, GTF, GPI, GEG, YKM, SEA). 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 | 080° at 3 kt | −4 kt | 2 °C | 124 kt | 14 h 51 min | 8:55 am PDT (15:55 UTC) |
| 6,500 ft | 030° at 1 kt | −1 kt | 9 °C | 121 kt | 15 h 13 min | 9:17 am PDT (16:17 UTC) |
| 8,500 ft | 250° at 2 kt | +1 kt | 6 °C | 119 kt | 15 h 29 min | 9:33 am PDT (16:33 UTC) |
| 10,500 ft | 240° at 6 kt | +5 kt | 2 °C | 115 kt | 16 h 01 min | 10:05 am PDT (17:05 UTC) |
| 12,500 ft | 240° at 10 kt | +8 kt | -1 °C | 112 kt | 16 h 27 min | 10:31 am PDT (17:31 UTC) |
| 14,500 ft | 250° at 13 kt | +11 kt | -5 °C | 109 kt | 16 h 54 min | 10:58 am PDT (17:58 UTC) |
| 16,500 ft | 250° at 16 kt | +13 kt | -9 °C | 107 kt | 17 h 13 min | 11:17 am PDT (18:17 UTC) |
| 18,000 ft FL180 | 250° at 18 kt | +15 kt | -13 °C | 105 kt | 17 h 33 min | 11:37 am PDT (18:37 UTC) |
| 24,000 ft FL240 | 250° at 24 kt | +22 kt | -23 °C | 98 kt | 18 h 48 min | 12:52 pm PDT (19:52 UTC) |
| 30,000 ft FL300 | 250° at 32 kt | +29 kt | -36 °C | 91 kt | 20 h 15 min | 2:19 pm PDT (21:19 UTC) |
| 34,000 ft FL340 | 260° at 40 kt | +37 kt | -43 °C | 83 kt | 22 h 12 min | 4:16 pm PDT (23:16 UTC) |
| 39,000 ft FL390 | 270° at 51 kt | +50 kt | -49 °C | 70 kt | 26 h 19 min | 8:23 pm PDT (03:23 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| AGC | used from 0 nm out; 41 nm from the line | 140/12 | 350/10 12° | L/V 9° | L/V 3° | 200/11 -11° | 220/21 -22° | 220/47 -33° | 230/51 -39° | 230/45 -48° |
| CLE | used from 50 nm out; 23 nm from the line | 340/5 | 320/13 14° | 300/12 8° | 310/10 2° | 310/14 -10° | 340/14 -23° | 320/27 -35° | 260/28 -40° | 250/36 -48° |
| FWA | used from 149 nm out; 83 nm from the line | 350/9 | 350/24 15° | 360/25 9° | 360/29 4° | 350/31 -10° | 340/39 -22° | 330/40 -37° | 320/38 -43° | 320/48 -48° |
| MKG | used from 249 nm out; 48 nm from the line | 250/5 | 320/10 15° | 310/19 9° | 320/21 3° | 310/23 -10° | 330/37 -22° | 330/51 -38° | 320/44 -47° | 300/60 -49° |
| GRB | used from 398 nm out; 72 nm from the line | 240/24 | 260/18 16° | 270/20 11° | 290/14 4° | 280/24 -9° | 300/34 -21° | 310/51 -38° | 310/54 -48° | 300/71 -51° |
| LSE | used from 448 nm out; 58 nm from the line | 220/33 | 250/29 17° | 250/15 9° | 260/12 6° | 280/21 -9° | 280/33 -20° | 300/43 -36° | 310/56 -45° | 300/79 -53° |
| MSP | used from 597 nm out; 20 nm from the line | 200/28 | 240/30 19° | 240/24 12° | 240/17 5° | 270/24 -10° | 270/33 -20° | 280/48 -35° | 290/55 -45° | 280/84 -54° |
| AXN | used from 697 nm out; 48 nm from the line | L/V | 220/23 17° | 230/24 12° | 240/25 5° | 260/32 -11° | 260/40 -21° | 270/50 -35° | 270/57 -45° | 270/81 -55° |
| ABR | used from 796 nm out; 32 nm from the line | 030/24 | 220/5 16° | 230/18 12° | 230/32 5° | 240/38 -10° | 250/37 -20° | 240/40 -35° | 240/56 -44° | 250/72 -52° |
| DIK | used from 946 nm out; 80 nm from the line | 110/15 6° | 200/17 5° | 230/31 1° | 240/47 -10° | 240/52 -20° | 230/52 -36° | 240/57 -45° | 250/67 -51° | |
| MLS | used from 1095 nm out; 52 nm from the line | 120/22 5° | 170/18 4° | 200/33 1° | 230/49 -10° | 230/58 -21° | 220/54 -37° | 230/64 -44° | 250/74 -49° | |
| BIL | used from 1244 nm out; 74 nm from the line | 080/24 | 130/14 -1° | 180/33 0° | 210/43 -10° | 220/58 -21° | 200/55 -36° | 220/75 -44° | 240/83 -48° | |
| GTF | used from 1294 nm out; 80 nm from the line | 070/21 | 080/18 -6° | 120/5 -5° | 180/30 -14° | 200/53 -24° | 210/80 -38° | 220/83 -44° | 230/68 -46° | |
| GPI | used from 1493 nm out; 54 nm from the line | 060/19 -3° | 110/11 -8° | 130/6 -8° | 200/40 -19° | 190/58 -28° | 200/101 -39° | 220/73 -43° | 230/41 -43° | |
| GEG | used from 1593 nm out; 31 nm from the line | 050/18 -2° | 060/19 -8° | L/V -11° | 160/11 -24° | 190/17 -31° | 200/19 -35° | 220/14 -37° | 250/11 -41° | |
| YKM | used from 1742 nm out; 55 nm from the line | 030/16 | 020/18 0° | 030/30 -8° | 030/23 -13° | 020/40 -23° | 010/73 -29° | 010/54 -36° | 360/29 -37° | 330/16 -40° |
| SEA | used from 1792 nm out; 25 nm from the line | 360/9 | 350/10 1° | 010/10 -5° | 030/20 -11° | 020/60 -17° | 010/86 -26° | 360/90 -40° | 010/68 -42° | 360/31 -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 |
|---|---|---|---|---|---|---|---|
| PIT Pittsburgh, PA | departure | no report just now | 1,202 ft | ||||
| CAK Akron, OH | 60 nm out, 2 nm southwest of the line, tower | no report just now | 1,225 ft | ||||
| BTL Battle Creek, MI | 249 nm out, 2 nm northwest of the line, tower | no report just now | 951 ft | ||||
| CMY Sparta, WI | 508 nm out, 3 nm northwest of the line, tower | no report just now | 839 ft | ||||
| FCM Minneapolis, MN | 637 nm out, 12 nm north of the line, tower | no report just now | 906 ft | ||||
| VVV Ortonville, MN | 767 nm out, 2 nm north of the line | no report just now | 1,101 ft | ||||
| BHK Baker, MT | 1095 nm out, 15 nm southwest of the line | no report just now | 2,980 ft | ||||
| MLS Miles City, MT | 1165 nm out, 21 nm south of the line | no report just now | 2,634 ft | ||||
| GTF Great Falls, MT | 1394 nm out, 14 nm north of the line, tower | no report just now | 3,680 ft | ||||
| GEG Spokane, WA | 1653 nm out, 9 nm northeast of the line, tower | no report just now | 2,385 ft | ||||
| MWH Moses Lake, WA | 1722 nm out, 18 nm south of the line, tower | no report just now | 1,188 ft | ||||
| SEA Seattle, WA | destination | no report just now | 432 ft |
The highest airport on this list sits at 3,680 ft; the ground between airports is higher still. Check the sectional chart for the terrain and the minimum safe heights along the line.
At SEA when you get there the forecast at the estimated arrival, 8:55 am PDT (15:55 UTC)
SEA has no terminal forecast; use the nearest airport that does.
Temporary flight restrictions on the line or within 25 nm of it
- 6/8587 Youngstown, OH, Monday, October 12, 2026 through Monday, October 12, 2026 Local on the route, at the departure end · a VIP movement · today · ZOB
- 6/8829 Youngstown, OH, Monday, October 12, 2026 through Monday, October 12, 2026 Local 15 nm from the route, at the departure end · a VIP movement · today · ZOB
Daylight
Sunset at PIT 6:45 pm EDT (22:45 UTC), at SEA 6:27 pm PDT (01:27 UTC) (civil twilight ends 6:58 pm PDT (01:58 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: Pittsburgh International, Seattle-Tacoma International.