San Francisco International to San Antonio International SFO → SAT
1,286 nautical miles (1,480 statute miles) east on a straight line, true course 105°, about 091° magnetic at the departure end (variation 14E). At 120 knots that is 8 h 56 min at the quickest height in today's winds (34,000 ft, a 24-knot tailwind), arriving about 12:38 pm CDT (17:38 UTC). Right now SFO is VFR, wind calm; SAT is marginal VFR, wind from the southeast (130°) at 6 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: 880 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 1W: moderate turbulence above 18,000 ft from 18,000 ft to 39,000 ft. Over the first 120 nm of the route.
- AIRMET TANGO 1W: moderate turbulence below 18,000 ft (due to mountain wave) up to 15,000 ft. Over the route from 259 to 419 nm out.
- AIRMET ZULU 2C: moderate icing up to 23,000 ft. Over the route from 309 to 369 nm out.
- AIRMET TANGO 2W: moderate turbulence above 18,000 ft from 35,000 ft to 45,000 ft. Over the route from 369 to 498 nm out.
- AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the route from 419 to 568 nm out.
- AIRMET TANGO 4W: moderate turbulence below 18,000 ft up to 18,000 ft. Over the route from 459 to 758 nm out.
- AIRMET SIERRA 2E: low cloud or poor visibility (IFR conditions) (due to ceilings below 1,000 ft, visibility below 3 miles, precipitation, mist). Over the route from 518 to 588 nm out.
- AIRMET TANGO 4W: moderate turbulence above 18,000 ft from 18,000 ft to 42,000 ft. Over the route from 568 to 738 nm out.
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 SFO.
Pilot reports along the route within 50 nm of the line, last three hours, the serious ones first
- B737 at 19,000 ft, 23 nm north, 10:45 pm PDT (05:45 UTC): light turbulence. 369 nm along the route, 23 nm north of the line.
as filed, and in English
LAS UA /OV LAS050012/TM 0545/FL190/TP B737/TB LGT
- Report
- a routine report filed through LAS
- Where
- 12 nm northeast (050°) of LAS
- Time
- 05:45 UTC
- Height
- at 19,000 ft
- Aircraft
- B737
- Turbulence
- light
- B38M at 14,000 ft, 38 nm northeast, 10:47 pm PDT (05:47 UTC): light rime icing, 6 °C. 389 nm along the route, 38 nm northeast of the line.
as filed, and in English
LAS UA /OV LAS059040/TM 0547/FL140/TP B38M/TA 06/IC LGT RIME
- Report
- a routine report filed through LAS
- Where
- 40 nm northeast (059°) of LAS
- Time
- 05:47 UTC
- Height
- at 14,000 ft
- Aircraft
- B38M
- Temperature
- 6 °C
- Icing
- light rime
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 13 forecast points nearest it (SFO, FAT, BIH, LAS, PRC, PHX, TUS, ABQ, ELP, ROW, INK, DRT, SAT). A plus sign is a headwind, a minus sign a tailwind.
| Height | Average wind | Head- or tailwind | Temperature | Ground speed | Time en route | Arrival |
|---|---|---|---|---|---|---|
| 5,500 ft | 200° at 12 kt | 0 | 14 °C | 120 kt | 10 h 43 min | 2:25 pm CDT (19:25 UTC) |
| 7,500 ft | 200° at 17 kt | 0 | 9 °C | 120 kt | 10 h 43 min | 2:25 pm CDT (19:25 UTC) |
| 9,500 ft | 200° at 19 kt | −1 kt | 6 °C | 121 kt | 10 h 38 min | 2:20 pm CDT (19:20 UTC) |
| 11,500 ft | 210° at 22 kt | −1 kt | 3 °C | 121 kt | 10 h 38 min | 2:20 pm CDT (19:20 UTC) |
| 13,500 ft | 210° at 25 kt | −4 kt | -1 °C | 124 kt | 10 h 22 min | 2:04 pm CDT (19:04 UTC) |
| 15,500 ft | 220° at 29 kt | −7 kt | -5 °C | 127 kt | 10 h 08 min | 1:50 pm CDT (18:50 UTC) |
| 17,500 ft | 220° at 34 kt | −11 kt | -8 °C | 131 kt | 9 h 49 min | 1:31 pm CDT (18:31 UTC) |
| 18,000 ft FL180 | 220° at 35 kt | −11 kt | -9 °C | 131 kt | 9 h 49 min | 1:31 pm CDT (18:31 UTC) |
| 24,000 ft FL240 | 230° at 40 kt | −18 kt | -18 °C | 138 kt | 9 h 19 min | 1:01 pm CDT (18:01 UTC) |
| 30,000 ft FL300 | 230° at 49 kt | −20 kt | -29 °C | 140 kt | 9 h 11 min | 12:53 pm CDT (17:53 UTC) |
| 34,000 ft FL340 | 230° at 51 kt | −24 kt | -38 °C | 144 kt | 8 h 56 min | 12:38 pm CDT (17:38 UTC) |
| 39,000 ft FL390 | 230° at 46 kt | −23 kt | -47 °C | 143 kt | 9 h | 12:42 pm CDT (17:42 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| SFO | used from 0 nm out; 25 nm from the line | 090/9 | 050/12 4° | 010/17 -2° | 350/34 -3° | 360/70 -11° | 360/75 -22° | 350/57 -38° | 330/37 -42° | 280/25 -44° |
| FAT | used from 50 nm out; 63 nm from the line | 140/11 | 180/15 3° | 150/14 -3° | 200/14 -6° | 240/17 -16° | 320/25 -23° | 270/22 -31° | 240/29 -37° | 230/36 -44° |
| BIH | used from 199 nm out; 54 nm from the line | L/V | 020/6 0° | 140/7 -7° | 210/31 -16° | 230/34 -26° | 220/43 -30° | 220/52 -36° | 220/46 -43° | |
| LAS | used from 249 nm out; 86 nm from the line | 210/20 8° | 210/29 4° | 200/32 -3° | 200/51 -15° | 210/64 -21° | 220/70 -30° | 220/66 -38° | 220/55 -44° | |
| PRC | used from 449 nm out; 45 nm from the line | 200/37 6° | 200/35 0° | 220/60 -11° | 220/71 -20° | 220/88 -29° | 220/98 -35° | 220/94 -45° | ||
| PHX | used from 598 nm out; 103 nm from the line | 190/15 | 210/25 12° | 200/34 4° | 200/34 2° | 220/58 -9° | 220/75 -19° | 220/91 -28° | 220/100 -35° | 220/95 -47° |
| TUS | used from 648 nm out; 138 nm from the line | 200/12 13° | 200/34 7° | 210/41 4° | 230/53 -7° | 220/69 -19° | 220/84 -27° | 220/88 -36° | 220/83 -48° | |
| ABQ | used from 698 nm out; 122 nm from the line | 220/19 9° | 220/35 3° | 230/50 -8° | 240/64 -19° | 230/83 -26° | 230/85 -36° | 230/80 -48° | ||
| ELP | used from 748 nm out; 106 nm from the line | 300/8 | 210/14 12° | 210/28 6° | 230/47 -6° | 230/56 -14° | 220/58 -27° | 230/60 -38° | 230/56 -50° | |
| ROW | used from 897 nm out; 63 nm from the line | 230/12 | 230/17 13° | 220/30 7° | 230/41 -5° | 240/52 -17° | 230/66 -28° | 240/63 -38° | 240/60 -50° | |
| INK | used from 947 nm out; 36 nm from the line | 220/17 21° | 230/12 14° | 210/13 7° | 220/29 -5° | 240/41 -14° | 230/43 -28° | 250/41 -38° | 250/33 -51° | |
| DRT | used from 1097 nm out; 88 nm from the line | 160/26 | 180/14 17° | 200/18 15° | 200/20 9° | 210/21 -3° | 220/14 -13° | 210/17 -29° | 280/12 -39° | 320/20 -51° |
| SAT | used from 1196 nm out; 65 nm from the line | 160/18 | 180/22 17° | 190/16 14° | 210/16 9° | 220/16 -5° | 200/11 -14° | 250/8 -29° | 330/8 -40° | 020/26 -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 |
|---|---|---|---|---|---|---|---|
| SFO San Francisco, CA | departure | VFR Sky: a few clouds at 2,000 feet | calm | 10+ mi | none | 13 ft | 12:56 am PDT (07:56 UTC) |
| RHV San Jose, CA | 30 nm out, 10 nm south of the line, tower | VFR | from the northwest (320°) at 12 knots | 10+ mi | none | 135 ft | 23:47 UTC |
| FAT Fresno, CA | 140 nm out, 14 nm southwest of the line, tower | VFR Sky: scattered clouds at 9,500 feet, a broken layer at 12,000 feet, a broken layer at 15,000 feet | from the east-southeast (120°) at 12 knots | 9 mi | 12,000 ft | 335 ft | 07:53 UTC |
| HND Las Vegas, NV | 359 nm out, 9 nm northeast of the line, tower | VFR Sky: a broken layer at 11,000 feet | from the south (170°) at 10 knots | 10+ mi | 11,000 ft | 2,491 ft | 07:56 UTC |
| IGM Kingman, AZ | 429 nm out, 12 nm south of the line | VFR | from the south-southeast (150°) at 7 knots | 10+ mi | none | 3,448 ft | 07:51 UTC |
| PRC Prescott, AZ | 518 nm out, 20 nm southwest of the line, tower | marginal VFR Sky: scattered clouds at 2,400 feet, a broken layer at 4,000 feet, overcast at 5,500 feet Weather: light rain, mist | from the south (170°) at 7 knots | 5 mi | 4,000 ft | 5,045 ft | 08:18 UTC |
| JTC Springerville, AZ | 668 nm out, 9 nm northeast of the line | VFR | from the south-southwest (200°) at 18 knots, gusting to 23 | 10+ mi | none | 7,055 ft | 08:35 UTC |
| TCS Truth Or Consequences, NM | 788 nm out, 4 nm northwest of the line | VFR | calm | 10+ mi | none | 4,861 ft | 07:53 UTC |
| INK Wink, TX | 1007 nm out, 8 nm northeast of the line | reported, no category | from the southeast (130°) at 10 knots | none | 2,821 ft | 07:53 UTC | |
| OZA Ozona, TX | 1126 nm out, 2 nm south of the line | VFR | from the south (170°) at 12 knots, gusting to 22 | 10+ mi | none | 2,376 ft | 08:15 UTC |
| ERV Kerrville, TX | 1246 nm out, 8 nm north of the line | marginal VFR Sky: overcast at 1,500 feet | from the south-southeast (160°) at 8 knots, gusting to 11 | 10+ mi | 1,500 ft | 1,616 ft | 08:35 UTC |
| SAT San Antonio, TX | destination | marginal VFR Sky: a broken layer at 2,700 feet | from the southeast (130°) at 6 knots | 10+ mi | 2,700 ft | 809 ft | 3:07 am CDT (08:07 UTC) |
The highest airport on this list sits at 7,055 ft; the ground between airports is higher still. Check the sectional chart for the terrain and the minimum safe heights along the line.
At SAT when you get there the forecast at the estimated arrival, 12:38 pm CDT (17:38 UTC)
Wind from the south-southeast at 12 knots, visibility more than 6 miles, showers nearby, a broken layer at 3,500 feet VFR
The whole forecast for SAT
- From Mon 1:00 am CDT (06:00 UTC): wind from the southeast at 8 knots, visibility more than 6 miles, a few clouds at 1,500 feet, a few clouds at 25,000 feet
- From Mon 5:00 am CDT (10:00 UTC): wind from the southeast at 6 knots, visibility more than 6 miles, overcast at 1,500 feet
- From Mon 12:00 pm CDT (17:00 UTC): wind from the south-southeast at 12 knots, visibility more than 6 miles, showers nearby, a broken layer at 3,500 feet
- From Tue 2:00 am CDT (07:00 UTC): wind from the south-southeast at 9 knots, visibility more than 6 miles, overcast at 1,500 feet
- At times between Tue 4:00 am CDT (09:00 UTC) and 7:00 am CDT (12:00 UTC): a broken layer at 800 feet
The forecast for SFO, the departure
- From Mon 1:00 am PDT (08:00 UTC): wind from the south at 7 knots, visibility more than 6 miles, a few clouds at 2,000 feet
- From Mon 3:00 pm PDT (22:00 UTC): wind from the west at 12 knots, visibility more than 6 miles, clear skies
- From Mon 8:00 pm PDT (03:00 UTC): wind from the west at 6 knots, visibility more than 6 miles, clear skies
Temporary flight restrictions on the line or within 25 nm of it
- 6/8890 LAS VEGAS, NV, Tuesday, October 13, 2026 Local on the route, 339 nm along the route · a VIP movement · starts tomorrow · ZLA
- 6/8808 Las Vegas, NV, Tuesday, October 13, 2026 Local 13 nm from the route, 359 nm along the route · security · starts tomorrow · ZLA
- 6/8891 Bullhead City, AZ, Wednesday, October 14, 2026 Local 18 nm from the route, 409 nm along the route · a VIP movement · starts Wednesday 14 October · ZLA
- 6/8722 ALAMOGORDO, NM, Tuesday, October 13, 2026 Local 8 nm from the route, 847 nm along the route · security · starts tomorrow · ZAB
Daylight
Sunset at SFO 6:35 pm PDT (01:35 UTC), at SAT 7:05 pm CDT (00:05 UTC) (civil twilight ends 7:29 pm CDT (00:29 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: San Francisco International, San Antonio International.