St. Louis Lambert International to Bangor International STL → BGR
1,027 nautical miles (1,182 statute miles) northeast on a straight line, true course 062°, about 063° magnetic at the departure end (variation 1W). At 120 knots that is 6 h 35 min at the quickest height in today's winds (39,000 ft, a 36-knot tailwind), arriving about 9:19 am EDT (13:19 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: 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). Over the route from 160 to 877 nm out.
- AIRMET TANGO 3W: moderate turbulence above 18,000 ft from 21,000 ft to 33,000 ft. Over the last 389 nm of the route.
- AIRMET ZULU 1C: moderate icing up to 22,000 ft. Over the last 319 nm of the route.
- AIRMET SIERRA 4E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the route from 708 to 967 nm out.
- AIRMET TANGO 2W: moderate turbulence below 18,000 ft up to 10,000 ft. Near the route, 877 nm along 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 STL.
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 02:00–09:00 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 10 forecast points nearest it (STL, SPI, IND, FWA, CLE, BUF, SYR, ALB, BML, BGR). 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 | 290° at 11 kt | −8 kt | 128 kt | 8 h 01 min | 10:45 am EDT (14:45 UTC) | |
| 5,500 ft | 320° at 12 kt | −5 kt | 125 kt | 8 h 13 min | 10:57 am EDT (14:57 UTC) | |
| 7,500 ft | 320° at 12 kt | −4 kt | 10 °C | 124 kt | 8 h 17 min | 11:01 am EDT (15:01 UTC) |
| 9,500 ft | 320° at 12 kt | −4 kt | 6 °C | 124 kt | 8 h 17 min | 11:01 am EDT (15:01 UTC) |
| 11,500 ft | 310° at 12 kt | −5 kt | 3 °C | 125 kt | 8 h 13 min | 10:57 am EDT (14:57 UTC) |
| 13,500 ft | 310° at 14 kt | −7 kt | -1 °C | 127 kt | 8 h 05 min | 10:49 am EDT (14:49 UTC) |
| 15,500 ft | 300° at 17 kt | −10 kt | -5 °C | 130 kt | 7 h 54 min | 10:38 am EDT (14:38 UTC) |
| 17,500 ft | 300° at 20 kt | −13 kt | -9 °C | 133 kt | 7 h 43 min | 10:27 am EDT (14:27 UTC) |
| 18,000 ft FL180 | 300° at 21 kt | −14 kt | -10 °C | 134 kt | 7 h 40 min | 10:24 am EDT (14:24 UTC) |
| 24,000 ft FL240 | 290° at 28 kt | −21 kt | -21 °C | 141 kt | 7 h 17 min | 10:01 am EDT (14:01 UTC) |
| 30,000 ft FL300 | 290° at 34 kt | −23 kt | -36 °C | 143 kt | 7 h 11 min | 9:55 am EDT (13:55 UTC) |
| 34,000 ft FL340 | 290° at 45 kt | −34 kt | -43 °C | 154 kt | 6 h 40 min | 9:24 am EDT (13:24 UTC) |
| 39,000 ft FL390 | 280° at 46 kt | −36 kt | -51 °C | 156 kt | 6 h 35 min | 9:19 am EDT (13:19 UTC) |
Based on data from the 12th at 00:00 UTC; valid on the 12th at 06:00 UTC for use 02:00 to 09:00 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; 25 nm from the line | 250/24 | 250/24 16° | 260/23 9° | 270/16 6° | 260/25 -6° | 270/29 -19° | 290/34 -33° | 290/48 -41° | 290/54 -51° |
| SPI | used from 50 nm out; 46 nm from the line | 220/21 | 250/23 16° | 260/27 9° | 270/14 6° | 270/23 -7° | 270/31 -19° | 270/28 -33° | 290/48 -42° | 300/55 -52° |
| IND | used from 100 nm out; 78 nm from the line | 290/16 | 310/20 16° | 320/21 10° | 330/13 3° | 300/25 -7° | 320/32 -19° | 330/46 -34° | 320/61 -43° | 320/63 -50° |
| FWA | used from 249 nm out; 16 nm from the line | 300/17 | 320/20 16° | 330/20 10° | 340/15 3° | 310/27 -8° | 320/37 -20° | 330/52 -36° | 330/65 -43° | 330/60 -50° |
| CLE | used from 349 nm out; 52 nm from the line | 340/7 | 010/16 13° | 350/18 8° | 350/20 3° | 340/31 -10° | 340/46 -21° | 340/54 -37° | 330/62 -44° | 340/65 -49° |
| BUF | used from 499 nm out; 63 nm from the line | 320/10 | 010/16 10° | 360/10 6° | 340/13 2° | 330/22 -11° | 300/25 -23° | 320/31 -38° | 300/29 -44° | 280/36 -50° |
| SYR | used from 648 nm out; 27 nm from the line | 280/13 | 350/18 10° | 340/10 6° | 300/15 1° | 280/17 -12° | 270/16 -23° | 280/25 -38° | 250/40 -42° | 240/53 -50° |
| ALB | used from 748 nm out; 65 nm from the line | 120/9 | 270/8 10° | L/V 5° | 260/9 1° | 260/34 -10° | 250/42 -22° | 240/57 -35° | 240/70 -42° | 240/65 -50° |
| BML | used from 848 nm out; 55 nm from the line | 260/22 | 300/13 8° | 280/13 4° | 260/13 0° | 260/16 -11° | 240/45 -21° | 240/59 -36° | 240/77 -44° | 240/83 -53° |
| BGR | used from 997 nm out; 15 nm from the line | 250/21 | 260/11 7° | 270/17 5° | 260/12 -1° | 240/34 -10° | 250/67 -20° | 240/80 -35° | 240/87 -45° | 250/99 -55° |
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 | no report just now | 617 ft | ||||
| ALN Alton/St Louis, IL | 20 nm out, 3 nm west of the line, tower | no report just now | 543 ft | ||||
| LAF Lafayette, IN | 189 nm out, 18 nm northwest of the line, tower | no report just now | 605 ft | ||||
| GUS Peru, IN | 229 nm out, 16 nm northwest of the line, tower | no report just now | 810 ft | ||||
| TOL Toledo, OH | 349 nm out, 24 nm northwest of the line, tower | no report just now | 683 ft | ||||
| ERI Erie, PA | 509 nm out, 10 nm south of the line, tower | no report just now | 732 ft | ||||
| BUF Buffalo, NY | 588 nm out, 16 nm northwest of the line, tower | no report just now | 726 ft | ||||
| ROC Rochester, NY | 628 nm out, 11 nm north of the line, tower | no report just now | 558 ft | ||||
| RME Rome, NY | 728 nm out, 15 nm south of the line, tower | no report just now | 504 ft | ||||
| HIE Whitefield, NH | 907 nm out, 3 nm north of the line | no report just now | 1,072 ft | ||||
| OWK Norridgewock, ME | 987 nm out, 7 nm northwest of the line | no report just now | 270 ft | ||||
| BGR Bangor, ME | destination | no report just now | 192 ft |
The highest airport on this list sits at 1,072 ft; the ground between airports is higher still. Check the sectional chart for the terrain and the minimum safe heights along the line.
At BGR when you get there the forecast at the estimated arrival, 9:19 am EDT (13:19 UTC)
BGR has no terminal forecast; use the nearest airport that does.
Temporary flight restrictions on the line or within 25 nm of it
- 6/8829 Youngstown, OH, Monday, October 12, 2026 through Monday, October 12, 2026 Local 22 nm from the route, 469 nm along the route · a VIP movement · today · ZOB
- 6/8587 Youngstown, OH, Monday, October 12, 2026 through Monday, October 12, 2026 Local 22 nm from the route, 469 nm along the route · a VIP movement · today · ZOB
Daylight
Sunset at STL 6:27 pm CDT (23:27 UTC), at BGR 5:56 pm EDT (21:56 UTC) (civil twilight ends 6:25 pm EDT (22:25 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, Bangor International.