San Antonio International to San Francisco International SAT → SFO
1,286 nautical miles (1,480 statute miles) northwest on a straight line, true course 298°, about 294° magnetic at the departure end (variation 4E). At 120 knots that is 10 h 32 min at the quickest height in today's winds (4,500 ft, a 2-knot tailwind), arriving about 3:39 pm PDT (22:39 UTC). Right now SAT is marginal VFR, wind from the east (100°) at 4 knots; SFO is VFR, wind from the west-northwest (300°) at 5 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 4W: moderate turbulence above 18,000 ft (due to mountain wave) from 34,000 ft to 43,000 ft. Over the route from 548 to 768 nm out.
- AIRMET TANGO 1W: moderate turbulence below 18,000 ft (due to mountain wave) up to 12,000 ft. Over the route from 558 to 1057 nm out.
- 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 route from 608 to 758 nm out.
- AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the route from 688 to 857 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 728 to 847 nm out.
- AIRMET ZULU 2C: moderate icing up to 23,000 ft. Near the route, 957 nm along the route.
- AIRMET TANGO 1W: moderate turbulence above 18,000 ft from 18,000 ft to 39,000 ft. Over the last 179 nm of the route.
- AIRMET SIERRA 2E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the route from 1107 to 1166 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 SAT.
Pilot reports along the route within 50 nm of the line, last three hours, the serious ones first
- B737 at 1,800 ft, 7 nm north, 6:18 am CDT (11:18 UTC): remarks: KSAT base 1,800 ft, on top 3,500 ft. At the departure end, 7 nm north of the line.
as filed, and in English
SAT UA /OV SAT/TM 1118/FL018/TP B737/RM KSAT BASE 018, ON TOP 035
- Report
- a routine report filed through SAT
- Where
- over SAT
- Time
- 11:18 UTC
- Height
- at 1,800 ft
- Aircraft
- B737
- Remarks
- KSAT base 1,800 ft, on top 3,500 ft
- A320 at 2,300 ft, 7 nm north, 5:37 am CDT (10:37 UTC): remarks: KSAT base 2,300 ft, on top 4,000 ft. At the departure end, 7 nm north of the line.
as filed, and in English
SAT UA /OV SAT/TM 1037/FL023/TP A320/RM KSAT BASE 023, ON TOP 040
- Report
- a routine report filed through SAT
- Where
- over SAT
- Time
- 10:37 UTC
- Height
- at 2,300 ft
- Aircraft
- A320
- Remarks
- KSAT base 2,300 ft, on top 4,000 ft
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 westbound cruising heights for this course (VFR: even thousands plus 500 ft; above 18,000 ft the forecast levels), with the wind averaged along the line from the 12 forecast points nearest it (SAT, DRT, INK, ROW, ELP, ABQ, PHX, PRC, LAS, BIH, FAT, SFO). A plus sign is a headwind, a minus sign a tailwind.
| Height | Average wind | Head- or tailwind | Temperature | Ground speed | Time en route | Arrival |
|---|---|---|---|---|---|---|
| 4,500 ft | 200° at 11 kt | −2 kt | 14 °C | 122 kt | 10 h 32 min | 3:39 pm PDT (22:39 UTC) |
| 6,500 ft | 200° at 12 kt | 0 | 11 °C | 120 kt | 10 h 43 min | 3:50 pm PDT (22:50 UTC) |
| 8,500 ft | 200° at 16 kt | 0 | 8 °C | 120 kt | 10 h 43 min | 3:50 pm PDT (22:50 UTC) |
| 10,500 ft | 210° at 18 kt | +1 kt | 4 °C | 119 kt | 10 h 48 min | 3:55 pm PDT (22:55 UTC) |
| 12,500 ft | 210° at 21 kt | +2 kt | 1 °C | 118 kt | 10 h 54 min | 4:01 pm PDT (23:01 UTC) |
| 14,500 ft | 220° at 25 kt | +6 kt | -3 °C | 114 kt | 11 h 17 min | 4:24 pm PDT (23:24 UTC) |
| 16,500 ft | 220° at 29 kt | +9 kt | -7 °C | 111 kt | 11 h 35 min | 4:42 pm PDT (23:42 UTC) |
| 18,000 ft FL180 | 220° at 32 kt | +11 kt | -9 °C | 109 kt | 11 h 48 min | 4:55 pm PDT (23:55 UTC) |
| 24,000 ft FL240 | 230° at 38 kt | +19 kt | -19 °C | 101 kt | 12 h 44 min | 5:51 pm PDT (00:51 UTC) |
| 30,000 ft FL300 | 230° at 48 kt | +20 kt | -29 °C | 100 kt | 12 h 52 min | 5:59 pm PDT (00:59 UTC) |
| 34,000 ft FL340 | 230° at 51 kt | +25 kt | -38 °C | 95 kt | 13 h 32 min | 6:39 pm PDT (01:39 UTC) |
| 39,000 ft FL390 | 230° at 46 kt | +23 kt | -47 °C | 97 kt | 13 h 15 min | 6:22 pm PDT (01:22 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| SAT | used from 0 nm out; 25 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° |
| DRT | used from 100 nm out; 70 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° |
| INK | used from 199 nm out; 55 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° | |
| ROW | used from 349 nm out; 61 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° | |
| ELP | used from 399 nm out; 60 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° | |
| ABQ | used from 498 nm out; 112 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° | ||
| PHX | used from 598 nm out; 131 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° |
| PRC | used from 698 nm out; 53 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° | ||
| LAS | used from 847 nm out; 57 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° | |
| BIH | used from 997 nm out; 86 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° | |
| FAT | used from 1097 nm out; 32 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° |
| SFO | used from 1196 nm out; 65 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° |
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 |
|---|---|---|---|---|---|---|---|
| SAT San Antonio, TX | departure | marginal VFR Sky: a broken layer at 1,600 feet, a broken layer at 2,500 feet | from the east (100°) at 4 knots | 10+ mi | 1,600 ft | 809 ft | 6:51 am CDT (11:51 UTC) |
| ERV Kerrville, TX | 40 nm out, 8 nm north of the line | marginal VFR Sky: a broken layer at 1,300 feet, overcast at 2,100 feet | from the south-southeast (160°) at 9 knots | 10+ mi | 1,300 ft | 1,616 ft | 11:55 UTC |
| OZA Ozona, TX | 160 nm out, 2 nm south of the line | marginal VFR Sky: overcast at 1,400 feet | from the south (190°) at 7 knots | 10+ mi | 1,400 ft | 2,376 ft | 11:55 UTC |
| INK Wink, TX | 279 nm out, 8 nm northeast of the line | reported, no category | from the southeast (130°) at 11 knots | none | 2,821 ft | 11:53 UTC | |
| TCS Truth Or Consequences, NM | 498 nm out, 4 nm northwest of the line | VFR | from the west-northwest (300°) at 4 knots | 10+ mi | none | 4,861 ft | 11:53 UTC |
| JTC Springerville, AZ | 618 nm out, 9 nm northeast of the line | VFR | from the south (190°) at 8 knots, gusting to 18 | 10+ mi | none | 7,055 ft | 11:55 UTC |
| PRC Prescott, AZ | 768 nm out, 20 nm southwest of the line, tower | VFR Sky: a few clouds at 4,000 feet, a few clouds at 5,000 feet, scattered clouds at 6,500 feet | from the south (190°) at 14 knots, gusting to 22 | 10+ mi | none | 5,045 ft | 11:53 UTC |
| IGM Kingman, AZ | 857 nm out, 12 nm south of the line | VFR Sky: a few clouds at 1,700 feet, scattered clouds at 3,900 feet, overcast at 4,700 feet | from the southwest (230°) at 11 knots | 10+ mi | 4,700 ft | 3,448 ft | 11:51 UTC |
| HND Las Vegas, NV | 927 nm out, 9 nm northeast of the line, tower | VFR | from the south-southeast (150°) at 7 knots | 10+ mi | none | 2,491 ft | 11:56 UTC |
| FAT Fresno, CA | 1146 nm out, 14 nm southwest of the line, tower | VFR Sky: a broken layer at 8,000 feet | from the southeast (130°) at 10 knots | 10+ mi | 8,000 ft | 335 ft | 11:53 UTC |
| RHV San Jose, CA | 1256 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 |
| SFO San Francisco, CA | destination | VFR Sky: a few clouds at 2,000 feet, a few clouds at 9,000 feet | from the west-northwest (300°) at 5 knots | 10+ mi | none | 13 ft | 4:56 am PDT (11:56 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 SFO when you get there the forecast at the estimated arrival, 3:39 pm PDT (22:39 UTC)
Wind from the west at 12 knots, visibility more than 6 miles, clear skies VFR
The whole forecast for SFO
- From Mon 5:00 am PDT (12:00 UTC): wind from the west at 4 knots, visibility more than 6 miles, a few clouds at 2,000 feet, a few clouds at 9,000 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
The forecast for SAT, the departure
- From Mon 7:00 am CDT (12:00 UTC): wind from the east-southeast at 5 knots, visibility more than 6 miles, a broken layer at 1,500 feet
- At times between Mon 8:00 am CDT (13:00 UTC) and 11:00 am CDT (16:00 UTC): a broken layer at 2,500 feet
- From Mon 12:00 pm CDT (17:00 UTC): wind from the south-southeast at 12 knots, visibility more than 6 miles, a broken layer at 3,500 feet
- From Tue 1:00 am CDT (06:00 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
Temporary flight restrictions on the line or within 25 nm of it
- 6/8722 ALAMOGORDO, NM, Tuesday, October 13, 2026 Local 8 nm from the route, 439 nm along the route · security · starts tomorrow · ZAB
- 6/8891 Bullhead City, AZ, Wednesday, October 14, 2026 Local 18 nm from the route, 877 nm along the route · a VIP movement · starts Wednesday 14 October · ZLA
- 6/8890 LAS VEGAS, NV, Tuesday, October 13, 2026 Local on the route, 907 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, 927 nm along the route · security · starts tomorrow · ZLA
Daylight
Sunset at SAT 7:05 pm CDT (00:05 UTC), at SFO 6:35 pm PDT (01:35 UTC) (civil twilight ends 7:01 pm PDT (02:01 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 Antonio International, San Francisco International.