The U.S. aircraft register, updated daily
Plan a flight · Mon 2:41 am MDT (08:41 UTC)

Salt Lake City International to Aspen-Pitkin County/Sardy Field SLC → ASE

253 nautical miles (291 statute miles) east on a straight line, true course 110°, about 099° magnetic at the departure end (variation 11E). At 120 knots that is 1 h 41 min at the quickest height in today's winds (30,000 ft, a 31-knot tailwind), arriving about 4:22 am MDT (10:22 UTC), after sunset at the destination. Right now SLC is VFR, wind from the south-southeast (160°) at 8 knots; ASE is VFR, wind from the south-southeast (160°) at 4 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 return flight

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 ZULU 2C: moderate icing up to 23,000 ft. Over the first 243 nm of the route.
  • AIRMET TANGO 4W: moderate turbulence below 18,000 ft up to 18,000 ft. Over the whole route.
  • AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the whole route.
  • AIRMET TANGO 4W: moderate turbulence above 18,000 ft from 18,000 ft to 42,000 ft. Over the last 224 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). Over the last 68 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 SLC.

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

  • E170 at 4,800 ft, 36 nm southwest, 12:31 am MDT (06:31 UTC): no turbulence, no icing, clear from 4,800 ft to 60,000 ft, remarks: during the descent rnav Y 11 lgjt zdvwc. 185 nm along the route, 36 nm southwest of the line.
    as filed, and in English
    GJT UA /OV GJT/TM 0631/FL048/TP E170/SK SKC/TB NEG/IC NEG/RM DURD RNAV Y 11 LGJT. ZDVWC
    Report
    a routine report filed through GJT
    Where
    over GJT
    Time
    06:31 UTC
    Height
    at 4,800 ft
    Aircraft
    E170
    Sky
    clear
    Turbulence
    none
    Icing
    none
    Remarks
    during the descent rnav Y 11 lgjt zdvwc

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 2 forecast points nearest it (SLC, GJT). A plus sign is a headwind, a minus sign a tailwind.

HeightAverage windHead- or tailwindTemperatureGround speedTime en routeArrival
7,500 ft220° at 23 kt−6 kt6 °C126 kt2 h4:41 am MDT (10:41 UTC)
9,500 ft220° at 27 kt−8 kt4 °C128 kt1 h 59 min4:40 am MDT (10:40 UTC)
11,500 ft230° at 35 kt−14 kt0 °C134 kt1 h 53 min4:34 am MDT (10:34 UTC)
13,500 ft220° at 40 kt−15 kt-4 °C135 kt1 h 52 min4:33 am MDT (10:33 UTC)
15,500 ft220° at 44 kt−14 kt-9 °C134 kt1 h 53 min4:34 am MDT (10:34 UTC)
17,500 ft220° at 48 kt−13 kt-13 °C133 kt1 h 54 min4:35 am MDT (10:35 UTC)
18,000 ft FL180220° at 49 kt−13 kt-14 °C133 kt1 h 54 min4:35 am MDT (10:35 UTC)
24,000 ft FL240230° at 62 kt−26 kt-23 °C146 kt1 h 44 min4:25 am MDT (10:25 UTC)
30,000 ft FL300230° at 72 kt−31 kt-31 °C151 kt1 h 41 min4:22 am MDT (10:22 UTC)
34,000 ft FL340230° at 71 kt−30 kt-35 °C150 kt1 h 41 min4:22 am MDT (10:22 UTC)
39,000 ft FL390230° at 65 kt−28 kt-44 °C148 kt1 h 43 min4:24 am MDT (10:24 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
PointFrom3,0006,0009,00012,00018,00024,00030,00034,00039,000
SLCused from 0 nm out; 24 nm from the line200/16210/23 4°220/34 -3°210/40 -16°220/66 -23°220/64 -31°220/57 -36°220/50 -43°
GJTused from 97 nm out; 72 nm from the line220/26 6°230/39 0°220/55 -13°230/60 -23°230/78 -31°230/80 -35°230/74 -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

AirportWhereConditionsWindVisibilityCeilingElevationReported
SLC Salt Lake City, UT departure VFR Sky: scattered clouds at 6,500 feet, scattered clouds at 8,000 feet, overcast at 10,000 feet from the south-southeast (160°) at 8 knots 10+ mi 10,000 ft 4,230 ft 1:54 am MDT (07:54 UTC)
HCR Heber, UT 29 nm out, 9 nm south of the line VFR Sky: a broken layer at 4,500 feet, overcast at 5,500 feet calm 10+ mi 4,500 ft 5,636 ft 08:35 UTC
VEL Vernal, UT 117 nm out, 21 nm north of the line VFR Sky: scattered clouds at 3,400 feet, a broken layer at 4,700 feet, overcast at 6,000 feet Weather: light rain from the west (260°) at 10 knots 9 mi 4,700 ft 5,274 ft 07:53 UTC
RIL Rifle, CO 204 nm out, 5 nm east of the line VFR Sky: a broken layer at 7,000 feet, overcast at 9,000 feet from the north-northeast (020°) at 4 knots 10+ mi 7,000 ft 5,536 ft 07:53 UTC
GWS Glenwood Springs, CO 224 nm out, 8 nm northeast of the line no report just now 5,921 ft
ASE Aspen, CO destination VFR Sky: a broken layer at 8,000 feet, overcast at 10,000 feet Weather: light rain from the south-southeast (160°) at 4 knots 10+ mi 8,000 ft 7,837 ft 1:53 am MDT (07:53 UTC)

The highest airport on this list sits at 7,837 ft; the ground between airports is higher still. Check the sectional chart for the terrain and the minimum safe heights along the line.

At ASE when you get there the forecast at the estimated arrival, 4:22 am MDT (10:22 UTC)

Wind from the south-southeast at 6 knots, visibility more than 6 miles, low-level wind shear, a broken layer at 8,000 feet, a broken layer at 10,000 feet VFR

The whole forecast for ASE
  • From Mon 12:00 am MDT (06:00 UTC): wind from the south-southeast at 6 knots, visibility more than 6 miles, low-level wind shear, a broken layer at 8,000 feet, a broken layer at 10,000 feet
  • At times between Mon 12:00 am MDT (06:00 UTC) and 4:00 am MDT (10:00 UTC): visibility 4 miles, light rain showers, a broken layer at 6,000 feet
  • From Mon 5:00 am MDT (11:00 UTC): wind from the south at 6 knots, visibility more than 6 miles, a few clouds at 5,000 feet, scattered clouds at 12,000 feet
  • From Mon 9:00 am MDT (15:00 UTC): wind from the south at 9 knots, visibility more than 6 miles, a few clouds at 4,500 feet, a few clouds at 25,000 feet
  • From Mon 1:00 pm MDT (19:00 UTC): wind from the south-southwest at 11 knots, gusting to 25, visibility more than 6 miles, a few clouds at 7,000 feet, a few clouds at 25,000 feet
  • From Mon 6:00 pm MDT (00:00 UTC): wind from the southwest at 7 knots, visibility more than 6 miles, a few clouds at 6,000 feet, a few clouds at 20,000 feet
  • 30% chance between Mon 6:00 pm MDT (00:00 UTC) and 12:00 am MDT (06:00 UTC): visibility 4 miles, light rain showers, a broken layer at 6,000 feet
The forecast for SLC, the departure
  • From Mon 12:00 am MDT (06:00 UTC): wind from the south at 9 knots, visibility more than 6 miles, scattered clouds at 4,000 feet, a broken layer at 8,000 feet
  • 30% chance between Mon 3:00 am MDT (09:00 UTC) and 6:00 am MDT (12:00 UTC): wind variable at 10 knots, gusting to 25, light rain showers, a broken layer at 5,000 feet
  • From Mon 6:00 am MDT (12:00 UTC): wind from the south at 11 knots, visibility more than 6 miles, light rain showers, a few clouds at 2,000 feet, a broken layer at 5,000 feet
  • From Mon 3:00 pm MDT (21:00 UTC): wind from the northwest at 11 knots, visibility more than 6 miles, light rain showers, scattered clouds at 2,000 feet, a broken layer at 5,000 feet
  • From Mon 11:00 pm MDT (05:00 UTC): wind from the south-southeast at 9 knots, visibility more than 6 miles, light rain showers, scattered clouds at 2,000 feet, a broken layer at 3,500 feet

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

No temporary flight restriction on or near this route right now.

Daylight

Sunset at SLC 6:50 pm MDT (00:50 UTC), at ASE 6:31 pm MDT (00:31 UTC) (civil twilight ends 6:58 pm MDT (00:58 UTC)). At 120 knots the arrival at ASE is before sunrise there (7:14 am MDT (13:14 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 southern Rockies
Radar now, the southern Rockies · loop National Weather Service
Radar, the whole country
Radar, the whole country · loop National Weather Service
Surface analysis now
Surface analysis now Weather Prediction Center
Forecast chart, 12 hours ahead
Forecast chart, 12 hours ahead Weather Prediction Center
Forecast chart, 24 hours ahead
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: Salt Lake City International, Aspen-Pitkin County/Sardy Field.