St. Louis Lambert International to Lovell Field STL → CHA
333 nautical miles (384 statute miles) southeast on a straight line, true course 130°, about 131° magnetic at the departure end (variation 1W). At 120 knots that is 1 h 54 min at the quickest height in today's winds (34,000 ft, a 56-knot tailwind), arriving about 11:38 pm EDT (03:38 UTC), after sunset at the destination. Right now STL is VFR, wind from the southeast (130°) at 7 knots; CHA is marginal VFR, wind from the south-southwest (210°) 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: 2 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). Near the route, 304 nm along the route.
- AIRMET SIERRA 4E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Near the route, at the destination end.
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 STL.
Pilot reports along the route within 50 nm of the line, last three hours, the serious ones first
- B737 at 31,000 ft, 20 nm southwest, 7:13 pm CDT (00:13 UTC): light chop turbulence, remarks: ZME25. 118 nm along the route, 20 nm southwest of the line.
as filed, and in English
PAH UA /OV CNG360015/TM 0013/FL310/TP B737/TB OCNL LGT CHOP/RM ZME25
- Report
- a routine report filed through PAH
- Where
- 15 nm north (360°) of CNG
- Time
- 00:13 UTC
- Height
- at 31,000 ft
- Aircraft
- B737
- Turbulence
- occasional light chop
- Remarks
- ZME25
- B738 at 34,000 ft, 5 nm south, 6:41 pm CDT (23:41 UTC): light to moderate chop turbulence, remarks: zme. 186 nm along the route, 5 nm south of the line.
as filed, and in English
CKV UA /OV CKV/TM 2341/FL340/TP B738/TB CONS LGT OCNL MOD CHOP/RM ZME
- Report
- a routine report filed through CKV
- Where
- over CKV
- Time
- 23:41 UTC
- Height
- at 34,000 ft
- Aircraft
- B738
- Turbulence
- continuous light occasional moderate chop
- Remarks
- zme
- B77W at 31,000 ft, 1 nm west, 6:27 pm CDT (23:27 UTC): light to moderate chop turbulence, remarks: zme. 206 nm along the route, 1 nm west of the line.
as filed, and in English
BNA UA /OV BNA315030/TM 2327/FL310/TP B77W/TB CONS LGT OCNL MOD CHOP/RM ZME
- Report
- a routine report filed through BNA
- Where
- 30 nm northwest (315°) of BNA
- Time
- 23:27 UTC
- Height
- at 31,000 ft
- Aircraft
- B77W
- Turbulence
- continuous light occasional moderate chop
- Remarks
- zme
- A319 at 32,000 ft, 1 nm southwest, 5:56 pm CDT (22:56 UTC): light to moderate chop turbulence, remarks: ZME62. 216 nm along the route, 1 nm southwest of the line.
as filed, and in English
BNA UA /OV BNA315020/TM 2256/FL320/TP A319/TB CONS LGT OCNL MOD CHOP/RM ZME62
- Report
- a routine report filed through BNA
- Where
- 20 nm northwest (315°) of BNA
- Time
- 22:56 UTC
- Height
- at 32,000 ft
- Aircraft
- A319
- Turbulence
- continuous light occasional moderate chop
- Remarks
- ZME62
- T206 at 9,000 ft, 12 nm northeast, 5:47 pm CDT (22:47 UTC): remarks: ZME60. 304 nm along the route, 12 nm northeast of the line.
as filed, and in English
CHA UA /OV CHA340032/TM 2247/FL090/TP T206/SK TOP070/RM ZME60
- Report
- a routine report filed through CHA
- Where
- 32 nm north (340°) of CHA
- Time
- 22:47 UTC
- Height
- at 9,000 ft
- Aircraft
- T206
- Sky
- TOP070
- Remarks
- ZME60
- B712 at 3,000 ft, 5 nm south, 6:13 pm CDT (23:13 UTC): scattered clouds from 3,000 ft to 3,200 ft; clear from 3,200 ft to 60,000 ft. At the destination end, 5 nm south of the line.
as filed, and in English
CHA UA /OV CHA180005/TM 2313/FL030/TP B712/SK SCT030-TOP032/SKC
- Report
- a routine report filed through CHA
- Where
- 5 nm south (180°) of CHA
- Time
- 23:13 UTC
- Height
- at 3,000 ft
- Aircraft
- B712
- Sky
- SCT030-TOP032 C
- CRJ9 at 3,000 ft, 0 nm west, 5:51 pm CDT (22:51 UTC): overcast from 3,000 ft to 4,000 ft. At the destination end, 0 nm west of the line.
as filed, and in English
CHA UA /OV 090005/TM 2251/FL030/TP CRJ9/SK OVC030-TOP040
- Report
- a routine report filed through CHA
- Where
- wind from 090° at 5 knots
- Time
- 22:51 UTC
- Height
- at 3,000 ft
- Aircraft
- CRJ9
- Sky
- overcast from 3,000 ft, tops 4,000 ft
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 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 4 forecast points nearest it (STL, CGI, BNA, HSV). 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 | 280° at 12 kt | −10 kt | 130 kt | 2 h 34 min | 12:18 am EDT (04:18 UTC) | |
| 5,500 ft | 320° at 20 kt | −20 kt | 140 kt | 2 h 23 min | 12:07 am EDT (04:07 UTC) | |
| 7,500 ft | 320° at 25 kt | −25 kt | 14 °C | 145 kt | 2 h 18 min | 12:02 am EDT (04:02 UTC) |
| 9,500 ft | 320° at 28 kt | −28 kt | 9 °C | 148 kt | 2 h 15 min | 11:59 pm EDT (03:59 UTC) |
| 11,500 ft | 320° at 32 kt | −32 kt | 6 °C | 152 kt | 2 h 11 min | 11:55 pm EDT (03:55 UTC) |
| 13,500 ft | 320° at 32 kt | −32 kt | 2 °C | 152 kt | 2 h 11 min | 11:55 pm EDT (03:55 UTC) |
| 15,500 ft | 320° at 32 kt | −31 kt | -3 °C | 151 kt | 2 h 12 min | 11:56 pm EDT (03:56 UTC) |
| 17,500 ft | 320° at 32 kt | −31 kt | -7 °C | 151 kt | 2 h 12 min | 11:56 pm EDT (03:56 UTC) |
| 18,000 ft FL180 | 320° at 32 kt | −31 kt | -8 °C | 151 kt | 2 h 12 min | 11:56 pm EDT (03:56 UTC) |
| 24,000 ft FL240 | 330° at 32 kt | −31 kt | -18 °C | 151 kt | 2 h 12 min | 11:56 pm EDT (03:56 UTC) |
| 30,000 ft FL300 | 320° at 49 kt | −48 kt | -34 °C | 168 kt | 1 h 59 min | 11:43 pm EDT (03:43 UTC) |
| 34,000 ft FL340 | 330° at 57 kt | −56 kt | -41 °C | 176 kt | 1 h 54 min | 11:38 pm EDT (03:38 UTC) |
| 39,000 ft FL390 | 320° at 46 kt | −45 kt | -49 °C | 165 kt | 2 h 01 min | 11:45 pm EDT (03:45 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| STL | used from 0 nm out; 24 nm from the line | 210/13 | 260/16 17° | 270/21 10° | 280/24 5° | 310/20 -7° | 320/22 -18° | 320/44 -33° | 320/59 -43° | 310/69 -51° |
| CGI | used from 49 nm out; 47 nm from the line | 250/10 | 290/12 17° | 290/18 11° | 300/22 5° | 320/25 -8° | 330/30 -18° | 320/53 -33° | 320/66 -42° | 320/56 -50° |
| BNA | used from 147 nm out; 65 nm from the line | 280/13 | 340/34 16° | 330/38 10° | 330/44 5° | 330/39 -8° | 330/38 -19° | 320/49 -34° | 330/53 -40° | 330/35 -47° |
| HSV | used from 294 nm out; 73 nm from the line | 290/15 | 330/34 16° | 330/38 11° | 330/40 5° | 320/36 -7° | 320/31 -18° | 320/44 -34° | 330/53 -41° | 330/34 -48° |
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 |
|---|---|---|---|---|---|---|---|
| STL St Louis, MO | departure | VFR Sky: a few clouds at 25,000 feet | from the southeast (130°) at 7 knots | 10+ mi | none | 617 ft | 7:51 pm CDT (00:51 UTC) |
| BLV Belleville, IL | 29 nm out, 7 nm north of the line, tower | VFR | calm | 9 mi | none | 459 ft | 00:55 UTC |
| MDH Carbondale/Murphysboro, IL | 78 nm out, 10 nm southwest of the line, tower | VFR | from the south-southeast (160°) at 3 knots | 10+ mi | none | 411 ft | 00:52 UTC |
| MWA Marion, IL | 88 nm out, 3 nm southwest of the line, tower | VFR | from the south (190°) at 5 knots | 10+ mi | none | 471 ft | 01:35 UTC |
| GDA Marion, KY | 137 nm out, 6 nm northeast of the line | VFR | from the southwest (220°) at 3 knots | 10+ mi | none | 652 ft | 23:35 UTC |
| CKV Clarksville, TN | 186 nm out, 5 nm south of the line | VFR | calm | 10+ mi | none | 549 ft | 00:52 UTC |
| MQY Smyrna, TN | 245 nm out, 2 nm south of the line, tower | reported, no category | calm | none | 543 ft | 00:56 UTC | |
| MBT Murfreesboro, TN | 255 nm out, 3 nm south of the line | VFR | from the southeast (130°) at 5 knots | 10+ mi | none | 614 ft | 01:15 UTC |
| UOS Sewanee, TN | 304 nm out, 16 nm southwest of the line | no report just now | 1,953 ft | ||||
| CHA Chattanooga, TN | destination | marginal VFR Sky: a broken layer at 2,200 feet, a broken layer at 2,800 feet, overcast at 3,900 feet | from the south-southwest (210°) at 4 knots | 10+ mi | 2,200 ft | 682 ft | 8:53 pm EDT (00:53 UTC) |
The highest airport on this list sits at 1,953 ft; the ground between airports is higher still. Check the sectional chart for the terrain and the minimum safe heights along the line.
At CHA when you get there the forecast at the estimated arrival, 11:38 pm EDT (03:38 UTC)
Wind light and variable, visibility more than 6 miles, a few clouds at 25,000 feet VFR
The whole forecast for CHA
- From Sun 8:00 pm EDT (00:00 UTC): wind light and variable, visibility more than 6 miles, a few clouds at 7,000 feet
- From Sun 11:00 pm EDT (03:00 UTC): wind light and variable, visibility more than 6 miles, a few clouds at 25,000 feet
The forecast for STL, the departure
- From Sun 7:00 pm CDT (00:00 UTC): wind from the south at 5 knots, visibility more than 6 miles, clear skies
- From Mon 1:00 am CDT (06:00 UTC): wind from the south-southwest at 6 knots, visibility more than 6 miles, a few clouds at 25,000 feet
- From Mon 11:00 am CDT (16:00 UTC): wind from the southwest at 12 knots, gusting to 20, visibility more than 6 miles, a few clouds at 25,000 feet
Temporary flight restrictions on the line or within 25 nm of it
- 6/0708 Goodlettsville, TN, Saturday, August 1, 2026 through Sunday, August 1, 2027 UTC 7 nm from the route, 226 nm along the route · security · until 1 August · ZME
Daylight
Sunset at STL 6:27 pm CDT (23:27 UTC), at CHA 7:10 pm EDT (23:10 UTC) (civil twilight ends 7:35 pm EDT (23:35 UTC)). At 120 knots the arrival at CHA is after sunset there (7:11 pm EDT (23:11 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: St. Louis Lambert International, Lovell Field.