Harrisburg International to Bozeman Yellowstone International MDT → BZN
1,535 nautical miles (1,766 statute miles) northwest on a straight line, true course 294°, about 305° magnetic at the departure end (variation 11W). At 120 knots that is 14 h 05 min at the quickest height in today's winds (4,500 ft, a 11-knot headwind), arriving about 7:03 pm MDT (01:03 UTC), after sunset at the destination. 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 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 389 nm of the route.
- AIRMET TANGO 3W: moderate turbulence above 18,000 ft from 24,000 ft to 33,000 ft. Near the route, at the departure end.
- AIRMET TANGO 3W: moderate turbulence below 18,000 ft (due to mountain wave) up to 6,000 ft. Near the route, at the departure end.
- AIRMET SIERRA 4E: mountains obscured by cloud (due to mountains obscured by clouds, mist). Over the route from 10 to 149 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 678 nm of the route.
- AIRMET ZULU 2C: moderate icing up to 23,000 ft. Over the route from 1275 to 1415 nm out.
- AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the last 140 nm of the route.
- AIRMET ZULU 2C: moderate icing up to 18,000 ft. Over the last 110 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 MDT.
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 15 forecast points nearest it (PSB, AGC, CLE, MKG, GRB, LSE, MSP, AXN, FSD, ABR, PIR, DIK, MLS, BIL, DLN). 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 | 270° at 11 kt | +11 kt | 8 °C | 109 kt | 14 h 05 min | 7:03 pm MDT (01:03 UTC) |
| 6,500 ft | 270° at 11 kt | +11 kt | 13 °C | 109 kt | 14 h 05 min | 7:03 pm MDT (01:03 UTC) |
| 8,500 ft | 260° at 14 kt | +14 kt | 10 °C | 106 kt | 14 h 29 min | 7:27 pm MDT (01:27 UTC) |
| 10,500 ft | 260° at 17 kt | +17 kt | 5 °C | 103 kt | 14 h 54 min | 7:52 pm MDT (01:52 UTC) |
| 12,500 ft | 260° at 19 kt | +19 kt | 2 °C | 101 kt | 15 h 12 min | 8:10 pm MDT (02:10 UTC) |
| 14,500 ft | 260° at 20 kt | +20 kt | -3 °C | 100 kt | 15 h 21 min | 8:19 pm MDT (02:19 UTC) |
| 16,500 ft | 260° at 20 kt | +21 kt | -7 °C | 99 kt | 15 h 30 min | 8:28 pm MDT (02:28 UTC) |
| 18,000 ft FL180 | 270° at 21 kt | +22 kt | -10 °C | 98 kt | 15 h 40 min | 8:38 pm MDT (02:38 UTC) |
| 24,000 ft FL240 | 260° at 26 kt | +26 kt | -22 °C | 94 kt | 16 h 20 min | 9:18 pm MDT (03:18 UTC) |
| 30,000 ft FL300 | 270° at 32 kt | +33 kt | -35 °C | 87 kt | 17 h 39 min | 10:37 pm MDT (04:37 UTC) |
| 34,000 ft FL340 | 270° at 40 kt | +43 kt | -41 °C | 77 kt | 19 h 56 min | 12:54 am MDT (06:54 UTC) |
| 39,000 ft FL390 | 270° at 49 kt | +52 kt | -48 °C | 68 kt | 22 h 34 min | 3:32 am MDT (09:32 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| PSB | used from 0 nm out; 49 nm from the line | 020/21 12° | 360/28 7° | 360/29 1° | 350/33 -10° | 350/42 -22° | 350/49 -37° | 340/63 -43° | 350/39 -52° | |
| AGC | used from 100 nm out; 49 nm from the line | 340/11 | 350/12 11° | 360/25 7° | 340/30 2° | 340/41 -8° | 340/44 -21° | 350/59 -36° | 340/68 -42° | 340/50 -51° |
| CLE | used from 199 nm out; 27 nm from the line | 310/7 | 350/20 14° | 340/16 9° | 320/21 2° | 320/32 -8° | 330/34 -20° | 330/45 -36° | 320/60 -45° | 320/64 -51° |
| MKG | used from 349 nm out; 88 nm from the line | 260/28 | 260/18 15° | 250/16 9° | 260/22 4° | 280/31 -9° | 270/35 -21° | 270/44 -35° | 270/42 -45° | 290/61 -51° |
| GRB | used from 548 nm out; 67 nm from the line | 250/32 | 250/22 17° | 240/18 8° | 280/21 6° | 280/34 -11° | 280/35 -21° | 280/39 -37° | 270/52 -45° | 290/60 -49° |
| LSE | used from 598 nm out; 59 nm from the line | 250/25 | 240/21 17° | 240/28 11° | 250/28 5° | 280/24 -10° | 280/31 -21° | 260/35 -37° | 270/45 -43° | 280/59 -47° |
| MSP | used from 747 nm out; 35 nm from the line | 250/12 | 250/17 17° | 240/26 12° | 250/26 5° | 280/26 -9° | 280/32 -22° | 270/37 -38° | 280/47 -41° | 280/55 -48° |
| AXN | used from 847 nm out; 73 nm from the line | 110/6 | 260/10 16° | 240/17 12° | 250/20 5° | 260/29 -10° | 260/35 -22° | 260/29 -38° | 270/48 -41° | 270/61 -48° |
| FSD | used from 897 nm out; 74 nm from the line | 210/20 | 230/23 21° | 220/25 14° | 230/30 5° | 230/26 -9° | 240/30 -21° | 270/33 -36° | 260/47 -37° | 270/58 -47° |
| ABR | used from 947 nm out; 38 nm from the line | 080/12 | 210/12 17° | 220/22 12° | 230/26 5° | 220/28 -10° | 230/41 -21° | 250/36 -36° | 260/47 -39° | 260/63 -47° |
| PIR | used from 1046 nm out; 50 nm from the line | 230/15 15° | 220/22 14° | 220/24 6° | 200/32 -10° | 210/48 -22° | 240/45 -33° | 240/43 -37° | 250/55 -46° | |
| DIK | used from 1146 nm out; 84 nm from the line | 190/12 5° | 230/29 7° | 220/33 1° | 220/43 -11° | 210/47 -23° | 220/53 -33° | 240/56 -40° | 250/72 -47° | |
| MLS | used from 1246 nm out; 66 nm from the line | 290/17 -1° | 250/18 0° | 230/25 0° | 220/31 -11° | 220/32 -24° | 220/50 -32° | 220/60 -38° | 230/71 -46° | |
| BIL | used from 1345 nm out; 55 nm from the line | 300/14 | 270/19 -2° | 260/26 -2° | 220/28 -13° | 210/51 -25° | 220/56 -33° | 220/61 -39° | 220/72 -45° | |
| DLN | used from 1495 nm out; 85 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° |
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 |
|---|---|---|---|---|---|---|---|
| MDT Harrisburg, PA | departure | no report just now | 310 ft | ||||
| UNV State College, PA | 60 nm out, 16 nm north of the line, tower | no report just now | 1,231 ft | ||||
| CGF Cleveland, OH | 229 nm out, 6 nm southwest of the line, tower | no report just now | 876 ft | ||||
| YIP Detroit, MI | 329 nm out, 1 nm northwest of the line, tower | no report just now | 715 ft | ||||
| MWC Milwaukee, WI | 538 nm out, 12 nm south of the line, tower | no report just now | 744 ft | ||||
| LSE La Crosse, WI | 678 nm out, 6 nm southwest of the line, tower | no report just now | 655 ft | ||||
| FBL Faribault, MN | 777 nm out, 3 nm east of the line | no report just now | 1,060 ft | ||||
| ATY Watertown, SD | 947 nm out, 5 nm east of the line | no report just now | 1,749 ft | ||||
| MBG Mobridge, SD | 1086 nm out, 18 nm north of the line | no report just now | 1,716 ft | ||||
| BIL Billings, MT | 1425 nm out, 4 nm north of the line, tower | no report just now | 3,662 ft | ||||
| BZN Bozeman, MT | destination | no report just now | 4,473 ft |
The highest airport on this list sits at 4,473 ft; the ground between airports is higher still. Check the sectional chart for the terrain and the minimum safe heights along the line.
At BZN when you get there the forecast at the estimated arrival, 7:03 pm MDT (01:03 UTC)
BZN 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, 159 nm along the route · a VIP movement · today · ZOB
- 6/8888 Youngstown, OH, Monday, October 12, 2026 through Monday, October 12, 2026 Local 8 nm from the route, 189 nm along the route · security · today · ZOB
- 6/8829 Youngstown, OH, Monday, October 12, 2026 through Monday, October 12, 2026 Local 4 nm from the route, 189 nm along the route · a VIP movement · today · ZOB
Daylight
Sunset at MDT 6:32 pm EDT (22:32 UTC), at BZN 6:42 pm MDT (00:42 UTC) (civil twilight ends 7:12 pm MDT (01:12 UTC)). At 120 knots the arrival at BZN is after sunset there (6:44 pm MDT (00:44 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: Harrisburg International, Bozeman Yellowstone International.