St. Louis Lambert International to Portland International Jetport STL → PWM
950 nautical miles (1,093 statute miles) northeast on a straight line, true course 066°, about 067° magnetic at the departure end (variation 1W). At 120 knots that is 6 h 23 min at the quickest height in today's winds (39,000 ft, a 29-knot tailwind), arriving about 1:20 pm EDT (17:20 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 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 752 nm of the route.
- AIRMET SIERRA 4E: mountains obscured by cloud (due to mountains obscured by clouds, mist). Over the route from 544 to 901 nm out.
- AIRMET TANGO 3W: moderate turbulence above 18,000 ft from 24,000 ft to 33,000 ft. Over the last 208 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 STL.
Pilot reports along the route within 50 nm of the line, last three hours, the serious ones first
- B738 at 28,000 ft, 6 nm north, 5:32 am CDT (10:32 UTC): moderate turbulence, remarks: produced by skypath. 881 nm along the route, 6 nm north of the line.
as filed, and in English
1P1 UA /OV CON339022 /TM 1032 /FL280 /TP B738 /TB MOD /RM PRODUCED BY SKYPATH
- Report
- a routine report filed through 1P1
- Where
- 22 nm north (339°) of CON
- Time
- 10:32 UTC
- Height
- at 28,000 ft
- Aircraft
- B738
- Turbulence
- moderate
- Remarks
- produced by skypath
- A21N at 31,000 ft, 39 nm northwest, 5:33 am CDT (10:33 UTC): no turbulence, remarks: during the climb. 188 nm along the route, 39 nm northwest of the line.
as filed, and in English
LAF UA /OV BVT/TM 1033/FL310/TP A21N/TB NEG/RM DURC
- Report
- a routine report filed through LAF
- Where
- over BVT
- Time
- 10:33 UTC
- Height
- at 31,000 ft
- Aircraft
- A21N
- Turbulence
- none
- Remarks
- during the climb
- CRJ2 at 5,500 ft, 31 nm north, 4:45 am CDT (09:45 UTC): mist. 267 nm along the route, 31 nm north of the line.
as filed, and in English
FWA UA /OV FWA/TM 0945/FL055/TP CRJ2/WX MIST
- Report
- a routine report filed through FWA
- Where
- over FWA
- Time
- 09:45 UTC
- Height
- at 5,500 ft
- Aircraft
- CRJ2
- Weather
- shallow st
- CRJ7 at 3,000 ft, 45 nm southeast, 5:08 am CDT (10:08 UTC): a routine report with nothing remarked on. 287 nm along the route, 45 nm southeast of the line.
as filed, and in English
CMH UA /OV DAY/TM 1008/FL030/TP CRJ7/SK TOP015
- Report
- a routine report filed through CMH
- Where
- over DAY
- Time
- 10:08 UTC
- Height
- at 3,000 ft
- Aircraft
- CRJ7
- Sky
- TOP015
- A21N at 33,000 ft, 26 nm south, 3:07 am CDT (08:07 UTC): light chop turbulence. 307 nm along the route, 26 nm south of the line.
as filed, and in English
DAY UA /OV ROD/TM 0807/FL330/TP A21N/TB OCNL LT CHOP
- Report
- a routine report filed through DAY
- Where
- over ROD
- Time
- 08:07 UTC
- Height
- at 33,000 ft
- Aircraft
- A21N
- Turbulence
- occasional lt chop
- MD83 at 2,500 ft, 43 nm northwest, 5:43 am CDT (10:43 UTC): clear from 2,500 ft to 60,000 ft, remarks: base 1,000 ft tops 2,500 ft clear above. 346 nm along the route, 43 nm northwest of the line.
as filed, and in English
TOL UA /OV TOL/TM 1043/FL025/TP MD83/RM BASE 010 TOPS 025 CLEAR ABOVE
- Report
- a routine report filed through TOL
- Where
- over TOL
- Time
- 10:43 UTC
- Height
- at 2,500 ft
- Aircraft
- MD83
- Remarks
- base 1,000 ft tops 2,500 ft clear above
- A21N descending, 3 nm northeast, 5:11 am CDT (10:11 UTC): no turbulence, 12 °C. 416 nm along the route, 3 nm northeast of the line.
as filed, and in English
CLE UA /OV CLE230005/TM 1011/FLDURD/TP A21N/SK B018 T035/TA +12/TB SMOOTH
- Report
- a routine report filed through CLE
- Where
- 5 nm southwest (230°) of CLE
- Time
- 10:11 UTC
- Height
- during the descent
- Aircraft
- A21N
- Sky
- B018 T035
- Temperature
- +12
- Turbulence
- smooth
- C208 at 2,700 ft, 19 nm southeast, 5:01 am CDT (10:01 UTC): remarks: zob. 564 nm along the route, 19 nm southeast of the line.
as filed, and in English
BFD UA /OV BFD/TM 1001/FL027/TP C208/SK BASE027 TOP043/RM ZOB
- Report
- a routine report filed through BFD
- Where
- over BFD
- Time
- 10:01 UTC
- Height
- at 2,700 ft
- Aircraft
- C208
- Sky
- BASE027 TOP043
- Remarks
- zob
- B738 climbing, 48 nm north, 5:20 am CDT (10:20 UTC): overcast from 2,500 ft to 4,200 ft; scattered clouds above 700 ft. 584 nm along the route, 48 nm north of the line.
as filed, and in English
BUF UA /OV BUF/TM 1020/FLDURC/TP B738/SK SCT007 OVC025 TOPS042
- Report
- a routine report filed through BUF
- Where
- over BUF
- Time
- 10:20 UTC
- Height
- during the climb
- Aircraft
- B738
- Sky
- SCT007 OVC025 TOPS042
- A319 at 3,000 ft, 38 nm north, 5:17 am CDT (10:17 UTC): overcast above 3,000 ft, remarks: bases 3,000 ft tops 4,000 ft. 623 nm along the route, 38 nm north of the line.
as filed, and in English
ROC UA /OV ROC220010/TM 1017/FL030/TP A319/SK 030 OVC/RM BASES 030 TOPS 040
- Report
- a routine report filed through ROC
- Where
- 10 nm southwest (220°) of ROC
- Time
- 10:17 UTC
- Height
- at 3,000 ft
- Aircraft
- A319
- Sky
- at 3,000 ft overcast
- Remarks
- bases 3,000 ft tops 4,000 ft
- A21N at 35,000 ft, 16 nm northwest, 3:52 am CDT (08:52 UTC): light to moderate chop turbulence, remarks: zob. 623 nm along the route, 16 nm northwest of the line.
as filed, and in English
ROC UA /OV GEE190015/TM 0852/FL350/TP A21N/TB LGHT-MOD CHOP/RM ZOB
- Report
- a routine report filed through ROC
- Where
- 15 nm south (190°) of GEE
- Time
- 08:52 UTC
- Height
- at 35,000 ft
- Aircraft
- A21N
- Turbulence
- lght-mod chop
- Remarks
- zob
- CRJ9 at 2,000 ft, 30 nm north, 4:30 am CDT (09:30 UTC): a routine report with nothing remarked on. 693 nm along the route, 30 nm north of the line.
as filed, and in English
SYR UA /OV 10S/TM 0930/FL020/TP CRJ9/SK B020-T060
- Report
- a routine report filed through SYR
- Where
- over 10S
- Time
- 09:30 UTC
- Height
- at 2,000 ft
- Aircraft
- CRJ9
- Sky
- B020-T060
- MULT at 36,000 ft, 10 nm south, 5:34 am CDT (10:34 UTC): light turbulence from 23,000 ft to 32,000 ft. 811 nm along the route, 10 nm south of the line.
as filed, and in English
ALB UA /OV CAM/TM 1034/FL360/TP MULT/TB LGT 320-230
- Report
- a routine report filed through ALB
- Where
- over CAM
- Time
- 10:34 UTC
- Height
- at 36,000 ft
- Aircraft
- MULT
- Turbulence
- light from 32,000 ft to 23,000 ft
- MULT at 2,000 ft, 48 nm south, 5:18 am CDT (10:18 UTC): light turbulence from 1,500 ft to 2,000 ft, remarks: during the climb out of KBOS. 901 nm along the route, 48 nm south of the line.
as filed, and in English
LWM UA /OV LWM/TM 1018/FL020/TP MULT/TB CONS LGT 020-015/RM DURC OUT OF KBOS
- Report
- a routine report filed through LWM
- Where
- over LWM
- Time
- 10:18 UTC
- Height
- at 2,000 ft
- Aircraft
- MULT
- Turbulence
- continuous light from 2,000 ft to 1,500 ft
- Remarks
- during the climb out of KBOS
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 9 forecast points nearest it (STL, SPI, IND, FWA, CLE, BUF, SYR, ALB, PWM). 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 | 300° at 14 kt | −10 kt | 130 kt | 7 h 18 min | 2:15 pm EDT (18:15 UTC) | |
| 5,500 ft | 310° at 14 kt | −8 kt | 128 kt | 7 h 25 min | 2:22 pm EDT (18:22 UTC) | |
| 7,500 ft | 310° at 15 kt | −7 kt | 10 °C | 127 kt | 7 h 29 min | 2:26 pm EDT (18:26 UTC) |
| 9,500 ft | 310° at 15 kt | −8 kt | 7 °C | 128 kt | 7 h 25 min | 2:22 pm EDT (18:22 UTC) |
| 11,500 ft | 310° at 17 kt | −9 kt | 4 °C | 129 kt | 7 h 22 min | 2:19 pm EDT (18:19 UTC) |
| 13,500 ft | 310° at 20 kt | −10 kt | 0 °C | 130 kt | 7 h 18 min | 2:15 pm EDT (18:15 UTC) |
| 15,500 ft | 310° at 22 kt | −11 kt | -4 °C | 131 kt | 7 h 15 min | 2:12 pm EDT (18:12 UTC) |
| 17,500 ft | 310° at 24 kt | −12 kt | -8 °C | 132 kt | 7 h 12 min | 2:09 pm EDT (18:09 UTC) |
| 18,000 ft FL180 | 310° at 25 kt | −12 kt | -9 °C | 132 kt | 7 h 12 min | 2:09 pm EDT (18:09 UTC) |
| 24,000 ft FL240 | 310° at 27 kt | −14 kt | -21 °C | 134 kt | 7 h 05 min | 2:02 pm EDT (18:02 UTC) |
| 30,000 ft FL300 | 310° at 35 kt | −19 kt | -36 °C | 139 kt | 6 h 50 min | 1:47 pm EDT (17:47 UTC) |
| 34,000 ft FL340 | 310° at 46 kt | −27 kt | -44 °C | 147 kt | 6 h 28 min | 1:25 pm EDT (17:25 UTC) |
| 39,000 ft FL390 | 310° at 53 kt | −29 kt | -52 °C | 149 kt | 6 h 23 min | 1:20 pm EDT (17:20 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| STL | used from 0 nm out; 25 nm from the line | 250/26 | 240/21 15° | 240/22 11° | 250/23 6° | 270/28 -7° | 260/30 -19° | 280/52 -31° | 280/57 -40° | 300/57 -49° |
| SPI | used from 49 nm out; 50 nm from the line | 260/28 | 250/22 15° | 250/14 9° | 260/20 6° | 280/27 -7° | 280/34 -19° | 280/48 -32° | 280/59 -41° | 300/60 -49° |
| IND | used from 99 nm out; 76 nm from the line | 270/22 | 290/19 15° | 270/19 8° | 270/18 4° | 290/28 -7° | 280/35 -20° | 270/37 -34° | 300/51 -42° | 300/61 -51° |
| FWA | used from 247 nm out; 31 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 346 nm out; 51 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° |
| BUF | used from 495 nm out; 80 nm from the line | 300/11 | 330/15 11° | 340/26 8° | 330/28 2° | 340/31 -10° | 340/32 -21° | 340/52 -37° | 340/59 -46° | 330/66 -53° |
| SYR | used from 643 nm out; 39 nm from the line | 330/17 | 320/14 9° | 350/18 8° | 350/26 2° | 340/25 -11° | 360/34 -22° | 350/43 -39° | 330/50 -46° | 350/50 -54° |
| ALB | used from 742 nm out; 30 nm from the line | 340/22 | 340/19 9° | 320/16 7° | 330/16 2° | 330/19 -11° | 320/21 -23° | 320/25 -39° | 280/30 -44° | 270/41 -51° |
| PWM | used from 891 nm out; 35 nm from the line | 320/11 | 260/11 8° | 310/14 5° | 310/19 1° | 300/26 -11° | 290/31 -22° | 270/48 -40° | 250/60 -43° | 250/69 -51° |
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 | ||||
| HUF Terre Haute, IN | 148 nm out, 18 nm south of the line, tower | no report just now | 589 ft | ||||
| MIE Muncie, IN | 247 nm out, 7 nm south of the line, tower | no report just now | 937 ft | ||||
| AOH Lima, OH | 317 nm out, 3 nm south of the line | no report just now | 975 ft | ||||
| CLE Cleveland, OH | 426 nm out, 5 nm northwest of the line, tower | no report just now | 799 ft | ||||
| ERI Erie, PA | 505 nm out, 18 nm north of the line, tower | no report just now | 732 ft | ||||
| ELM Elmira/Corning, NY | 643 nm out, 20 nm southeast of the line, tower | no report just now | 955 ft | ||||
| ITH Ithaca, NY | 673 nm out, 6 nm south of the line, tower | no report just now | 1,099 ft | ||||
| SCH Schenectady, NY | 782 nm out, 13 nm southeast of the line, tower | no report just now | 377 ft | ||||
| LEB Lebanon, NH | 861 nm out, 17 nm north of the line, tower | no report just now | 603 ft | ||||
| PWM Portland, ME | destination | no report just now | 75 ft |
The highest airport on this list sits at 1,099 ft; the ground between airports is higher still. Check the sectional chart for the terrain and the minimum safe heights along the line.
At PWM when you get there the forecast at the estimated arrival, 1:20 pm EDT (17:20 UTC)
PWM 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, 455 nm along the route · a VIP movement · today · ZOB
- 6/8888 Youngstown, OH, Monday, October 12, 2026 through Monday, October 12, 2026 Local 20 nm from the route, 465 nm along the route · security · today · ZOB
- 6/8829 Youngstown, OH, Monday, October 12, 2026 through Monday, October 12, 2026 Local 16 nm from the route, 465 nm along the route · a VIP movement · today · ZOB
Daylight
Sunset at STL 6:27 pm CDT (23:27 UTC), at PWM 6:03 pm EDT (22:03 UTC) (civil twilight ends 6:32 pm EDT (22:32 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, Portland International Jetport.