Northern Colorado Regional to John F Kennedy International FNL → JFK
1,417 nautical miles (1,631 statute miles) east on a straight line, true course 079°, about 070° magnetic at the departure end (variation 9E). At 120 knots that is 8 h 20 min at the quickest height in today's winds (34,000 ft, a 50-knot tailwind), arriving about 4:40 pm EDT (20:40 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: 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 4W: moderate turbulence above 18,000 ft (due to mountain wave) from 34,000 ft to 43,000 ft. Over the first 70 nm of the route.
- AIRMET TANGO 2W: moderate turbulence below 18,000 ft (due to mountain wave) up to 22,000 ft. Over the first 20 nm of the route.
- AIRMET TANGO 1W: low-level wind shear (due to air speed loss or gain of 20 knots or more below 2,000 ft above the ground). Near the route, at the departure end.
- AIRMET TANGO 2W: low-level wind shear (due to air speed loss or gain of 20 knots or more below 2,000 ft above the ground). Over the route from 220 to 639 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 529 nm of the route.
- AIRMET SIERRA 4E: mountains obscured by cloud (due to mountains obscured by clouds, mist). Over the route from 1148 to 1318 nm out.
- AIRMET TANGO 3W: moderate turbulence above 18,000 ft from 24,000 ft to 33,000 ft. Over the last 260 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 FNL.
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 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 15 forecast points nearest it (DEN, BFF, GLD, GRI, OMA, DSM, BRL, DBQ, JOT, FWA, CLE, AGC, PSB, AVP, JFK). 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 | 260° at 20 kt | −20 kt | 140 kt | 10 h 07 min | 6:27 pm EDT (22:27 UTC) | |
| 5,500 ft | 270° at 17 kt | −18 kt | 18 °C | 138 kt | 10 h 16 min | 6:36 pm EDT (22:36 UTC) |
| 7,500 ft | 270° at 16 kt | −17 kt | 13 °C | 137 kt | 10 h 21 min | 6:41 pm EDT (22:41 UTC) |
| 9,500 ft | 270° at 15 kt | −16 kt | 9 °C | 136 kt | 10 h 25 min | 6:45 pm EDT (22:45 UTC) |
| 11,500 ft | 270° at 16 kt | −18 kt | 5 °C | 138 kt | 10 h 16 min | 6:36 pm EDT (22:36 UTC) |
| 13,500 ft | 270° at 18 kt | −19 kt | 1 °C | 139 kt | 10 h 12 min | 6:32 pm EDT (22:32 UTC) |
| 15,500 ft | 270° at 19 kt | −21 kt | -3 °C | 141 kt | 10 h 03 min | 6:23 pm EDT (22:23 UTC) |
| 17,500 ft | 270° at 21 kt | −23 kt | -8 °C | 143 kt | 9 h 55 min | 6:15 pm EDT (22:15 UTC) |
| 18,000 ft FL180 | 270° at 22 kt | −24 kt | -9 °C | 144 kt | 9 h 50 min | 6:10 pm EDT (22:10 UTC) |
| 24,000 ft FL240 | 270° at 28 kt | −30 kt | -21 °C | 150 kt | 9 h 27 min | 5:47 pm EDT (21:47 UTC) |
| 30,000 ft FL300 | 270° at 37 kt | −39 kt | -34 °C | 159 kt | 8 h 55 min | 5:15 pm EDT (21:15 UTC) |
| 34,000 ft FL340 | 280° at 49 kt | −50 kt | -40 °C | 170 kt | 8 h 20 min | 4:40 pm EDT (20:40 UTC) |
| 39,000 ft FL390 | 280° at 50 kt | −50 kt | -49 °C | 170 kt | 8 h 20 min | 4:40 pm EDT (20:40 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| DEN | used from 0 nm out; 41 nm from the line | 270/24 11° | 230/13 5° | 230/48 -8° | 230/46 -20° | 230/63 -30° | 240/78 -36° | 240/78 -48° | ||
| BFF | used from 50 nm out; 73 nm from the line | 280/28 | 260/39 11° | 240/34 5° | 210/38 -11° | 210/52 -22° | 230/61 -31° | 230/61 -36° | 240/56 -45° | |
| GLD | used from 150 nm out; 96 nm from the line | 260/37 | 260/25 14° | 250/27 8° | 230/36 -8° | 230/49 -21° | 250/71 -30° | 260/82 -36° | 250/73 -48° | |
| GRI | used from 200 nm out; 83 nm from the line | 230/39 23° | 230/32 15° | 210/29 7° | 230/31 -8° | 230/43 -21° | 250/52 -31° | 260/59 -35° | 260/59 -46° | |
| OMA | used from 349 nm out; 43 nm from the line | 230/47 | 240/33 21° | 230/22 13° | 220/27 5° | 240/35 -8° | 250/43 -21° | 260/47 -33° | 260/59 -36° | 270/58 -46° |
| DSM | used from 449 nm out; 44 nm from the line | 250/47 | 260/25 20° | 240/19 11° | 240/31 5° | 250/26 -9° | 260/38 -20° | 260/47 -34° | 270/58 -37° | 270/61 -47° |
| BRL | used from 599 nm out; 49 nm from the line | 250/32 | 250/19 17° | 260/15 11° | 270/16 3° | 290/23 -7° | 260/42 -20° | 270/52 -34° | 280/63 -39° | 290/64 -48° |
| DBQ | used from 649 nm out; 53 nm from the line | 250/27 | 260/23 17° | 240/26 10° | 260/30 4° | 280/26 -9° | 280/36 -21° | 270/41 -36° | 280/52 -41° | 290/67 -48° |
| JOT | used from 699 nm out; 41 nm from the line | 250/25 | 260/22 14° | 250/17 9° | 270/21 5° | 280/28 -8° | 280/36 -20° | 270/41 -35° | 280/57 -42° | 290/65 -50° |
| FWA | used from 848 nm out; 44 nm from the line | 270/20 | 300/16 15° | 290/14 10° | 280/17 3° | 290/25 -7° | 280/30 -19° | 280/34 -35° | 290/48 -44° | 300/64 -52° |
| CLE | used from 948 nm out; 76 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° |
| AGC | used from 1098 nm out; 58 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° |
| PSB | used from 1148 nm out; 51 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° | |
| AVP | used from 1298 nm out; 27 nm from the line | 010/20 | 020/24 11° | 360/19 8° | 350/23 2° | 320/24 -11° | 330/25 -22° | 330/27 -37° | 310/28 -42° | 290/30 -50° |
| JFK | used from 1348 nm out; 45 nm from the line | 020/25 | 290/9 12° | 300/12 7° | 320/14 3° | 290/17 -10° | 240/27 -21° | 240/44 -36° | 240/53 -41° | 240/51 -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 |
|---|---|---|---|---|---|---|---|
| FNL Fort Collins/Loveland, CO | departure | no report just now | 5,020 ft | ||||
| STK Sterling, CO | 80 nm out, 4 nm south of the line | no report just now | 4,037 ft | ||||
| GGF Grant, NE | 150 nm out, 2 nm east of the line | no report just now | 3,424 ft | ||||
| OMA Omaha, NE | 419 nm out, 6 nm south of the line, tower | no report just now | 984 ft | ||||
| DSM Des Moines, IA | 519 nm out, 2 nm northwest of the line, tower | no report just now | 957 ft | ||||
| MLI Moline, IL | 659 nm out, 9 nm south of the line, tower | no report just now | 589 ft | ||||
| LOT Chicago/Romeoville, IL | 769 nm out, 1 nm southwest of the line, tower | no report just now | 679 ft | ||||
| TOL Toledo, OH | 958 nm out, 5 nm northeast of the line, tower | no report just now | 683 ft | ||||
| CLE Cleveland, OH | 1048 nm out, 1 nm east of the line, tower | no report just now | 799 ft | ||||
| IPT Williamsport, PA | 1268 nm out, 14 nm north of the line, tower | no report just now | 528 ft | ||||
| EWR Newark, NJ | 1397 nm out, 2 nm east of the line, tower | no report just now | 17 ft | ||||
| JFK New York, NY | destination | no report just now | 13 ft |
The highest airport on this list sits at 5,020 ft; the ground between airports is higher still. Check the sectional chart for the terrain and the minimum safe heights along the line.
At JFK when you get there the forecast at the estimated arrival, 4:40 pm EDT (20:40 UTC)
JFK 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, 1078 nm along the route · a VIP movement · today · ZOB
- 6/8888 Youngstown, OH, Monday, October 12, 2026 through Monday, October 12, 2026 Local 4 nm from the route, 1098 nm along the route · security · today · ZOB
- 6/8829 Youngstown, OH, Monday, October 12, 2026 through Monday, October 12, 2026 Local on the route, 1098 nm along the route · a VIP movement · today · ZOB
- 5/2811 NEW YORK, NY, Monday, October 20, 2025 through Tuesday, October 20, 2026 Local 5 nm from the route, at the destination end · security · until 20 October · ZNY
Daylight
Sunset at FNL 6:23 pm MDT (00:23 UTC), at JFK 6:19 pm EDT (22:19 UTC) (civil twilight ends 6:47 pm EDT (22:47 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: Northern Colorado Regional, John F Kennedy International.