Plan a flight · Mon 7:42 am PDT (14:42 UTC)

Oakland San Francisco Bay Airport to Greenville Spartanburg International OAK → GSP

1,928 nautical miles (2,219 statute miles) east on a straight line, true course 083°, about 069° magnetic at the departure end (variation 14E). At 120 knots that is 11 h 05 min at the quickest height in today's winds (34,000 ft, a 54-knot tailwind), arriving about 9:47 pm EDT (01:47 UTC), after sunset at the destination. Right now OAK is VFR, wind from the east-northeast (060°) at 3 knots; GSP is VFR, wind from the north-northwest (330°) 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: 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

SIGMET W28W: thunderstorms (a convective SIGMET) up to 30,000 ft, moving from the south at 35 knots, until 8:55 am PDT (15:55 UTC). Over the route from 340 to 390 nm out.
as issued
```
WSUS33 KKCI 121355
MKCW WST 121355
CONVECTIVE SIGMET 28W
VALID UNTIL 1555Z
UT NV
FROM 30SSW ELY-20E ILC-70NNE LAS-60ENE BTY-30SSW ELY
AREA TS MOV FROM 20035KT. TOPS TO FL300.
```
AIRMET TANGO 1W: moderate turbulence above 18,000 ft from 18,000 ft to 39,000 ft. Over the first 220 nm of the route.
AIRMET SIERRA 2E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the route from 90 to 160 nm out.
AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the route from 230 to 719 nm out.
AIRMET ZULU 2C: moderate icing up to 23,000 ft. Over the route from 300 to 599 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 430 to 470 nm out.
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 480 to 909 nm out.
AIRMET TANGO 1W: moderate turbulence below 18,000 ft (due to mountain wave) up to 12,000 ft. Over the route from 539 to 639 nm out.
AIRMET TANGO 2W: moderate turbulence below 18,000 ft (due to mountain wave) up to 22,000 ft. Over the route from 649 to 849 nm out.
AIRMET TANGO 2W: 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 1099 to 1359 nm out.
AIRMET TANGO 3W: moderate turbulence below 18,000 ft (due to mountain wave) up to 6,000 ft. Over the last 90 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 OAK.

Pilot reports along the route within 50 nm of the line, last three hours, the serious ones first

urgent E75L at 6,600 ft, 37 nm north, 7:08 am PDT (14:08 UTC): light turbulence, remarks: low-level wind shear a 25-knot gain of airspeed during the climb 17L. 829 nm along the route, 37 nm north of the line.
as filed, and in English
```
COS UUA /OV COS/TM 1408/FL066/TP E75L/TB LGT/RM LLWS +25KTS DURC 17L
```
Report
an urgent report filed through COS
Where
over COS
Time
14:08 UTC
Height
at 6,600 ft
Aircraft
E75L
Turbulence
light
Remarks
low-level wind shear a 25-knot gain of airspeed during the climb 17L
urgent C680 descending, 27 nm north, 6:32 am PDT (13:32 UTC): remarks: low-level wind shear a 10-knot gain of airspeed knots during the descent runway 35 avl. At the destination end, 27 nm north of the line.
as filed, and in English
```
AVL UUA /OV AVL/TM 1332/FLDURD/TP C680/RM LLWS +10 KT DURD RY35 AVL
```
Report
an urgent report filed through AVL
Where
over AVL
Time
13:32 UTC
Height
during the descent
Aircraft
C680
Remarks
low-level wind shear a 10-knot gain of airspeed knots during the descent runway 35 avl
E55P at 8,000 ft, 32 nm north, 7:30 am PDT (14:30 UTC): moderate turbulence. 829 nm along the route, 32 nm north of the line.
as filed, and in English
```
COS UA /OV 5S COS/TM 1430/FL080/TP E55P/TB MOD
```
Report
a routine report filed through COS
Where
5S cos
Time
14:30 UTC
Height
at 8,000 ft
Aircraft
E55P
Turbulence
moderate
F2TH at 36,300 ft, 7 nm north, 6:15 am PDT (13:15 UTC): moderate clear-air turbulence above 36,300 ft, wind 255° at 90 knots. 839 nm along the route, 7 nm north of the line.
as filed, and in English
```
PUB UA /OV PUB /TM 1315 /FL363 /TP F2TH /WV 25590KT /TB MOD CAT 363
```
Report
a routine report filed through PUB
Where
over PUB
Time
13:15 UTC
Height
at 36,300 ft
Aircraft
F2TH
Wind
from 255° at 90 knots
Turbulence
moderate clear-air turbulence at 36,300 ft
BE58 at 8,000 ft, 39 nm north, 7:10 am PDT (14:10 UTC): moderate chop turbulence. At the destination end, 39 nm north of the line.
as filed, and in English
```
AVL UA /OV SUG020010/TM 1410/FL080/TP BE58/TB MOD CHOP
```
Report
a routine report filed through AVL
Where
10 nm north (020°) of SUG
Time
14:10 UTC
Height
at 8,000 ft
Aircraft
BE58
Turbulence
moderate chop
B789 at 39,000 ft, 44 nm west, 6:37 am PDT (13:37 UTC): light to moderate turbulence, remarks: entered by zoa fdcs. At the departure end, 44 nm west of the line.
as filed, and in English
```
STS UA /OV PYE218013/TM 1337/FL390/TP B789/TB LGT-MOD/RM ENTERED BY ZOA FDCS
```
Report
a routine report filed through STS
Where
13 nm southwest (218°) of PYE
Time
13:37 UTC
Height
at 39,000 ft
Aircraft
B789
Turbulence
light to moderate
Remarks
entered by zoa fdcs
PA46 at 1,100 ft, 13 nm south, 7:37 am PDT (14:37 UTC): a broken layer above 2,500 ft, remarks: bases 2,500 ft. At the departure end, 13 nm south of the line.
as filed, and in English
```
MOD UA /OV KMOD18001/TM 1437/FL011/TP PA46/SK BKN025/RM BASES 025
```
Report
a routine report filed through MOD
Where
KMOD18001
Time
14:37 UTC
Height
at 1,100 ft
Aircraft
PA46
Sky
a broken layer from 2,500 ft
Remarks
bases 2,500 ft
UAL1806 at 39,000 ft, 32 nm south, 5:32 am PDT (12:32 UTC): light chop turbulence, wind 238° at 14 knots. 80 nm along the route, 32 nm south of the line.
as filed, and in English
```
ARP UAL1806 3722N 12024W 1232 F390 238/014KT TB OCNL LGT CHOP IC
```
Report
a routine report filed through ARP
B737 at 15,000 ft, 15 nm north, 5:12 am PDT (12:12 UTC): light chop turbulence, remarks: continuous light turbulence occasional moderate chop entered by zoa fdcs. 140 nm along the route, 15 nm north of the line.
as filed, and in English
```
FAT UA /OV FMG150080/TM 1212/FL150/TP B737/TB LGT/RM CONS LGT TURB OCNL MOD CHOP ENTERED BY ZOA FDCS
```
Report
a routine report filed through FAT
Where
80 nm southeast (150°) of FMG
Time
12:12 UTC
Height
at 15,000 ft
Aircraft
B737
Turbulence
light
Remarks
continuous light turbulence occasional moderate chop entered by zoa fdcs
B737 at 13,000 ft, 37 nm north, 6:00 am PDT (13:00 UTC): light turbulence. 829 nm along the route, 37 nm north of the line.
as filed, and in English
```
COS UA /OV BRK082/11/TM 1300/FL130/TP B737/TB TB LGT
```
Report
a routine report filed through COS
Where
BRK082/11
Time
13:00 UTC
Height
at 13,000 ft
Aircraft
B737
Turbulence
turbulence light
P46T at 12,000 ft, 32 nm north, 7:15 am PDT (14:15 UTC): light to moderate turbulence, remarks: during the climb. 839 nm along the route, 32 nm north of the line.
as filed, and in English
```
COS UA /OV BRK150015/TM 1415/FL120/TP P46T/TB LGT-MOD/RM DURC
```
Report
a routine report filed through COS
Where
15 nm southeast (150°) of BRK
Time
14:15 UTC
Height
at 12,000 ft
Aircraft
P46T
Turbulence
light to moderate
Remarks
during the climb
BE20 at 16,000 ft, 46 nm south, 6:38 am PDT (13:38 UTC): light turbulence, light rime icing, -2 °C, remarks: zkcfdc xj. 1049 nm along the route, 46 nm south of the line.
as filed, and in English
```
LBL UA /OV LBL070035/TM 1338/FL160/TP BE20/TA M02/TB LGT/IC LGT RIME/RM /ZKCFDC XJ
```
Report
a routine report filed through LBL
Where
35 nm east (070°) of LBL
Time
13:38 UTC
Height
at 16,000 ft
Aircraft
BE20
Temperature
−2 °C
Turbulence
light
Icing
light rime
Remarks
zkcfdc xj
PC12 at 14,000 ft, 7 nm north, 6:42 am PDT (13:42 UTC): light to moderate turbulence, remarks: during the descent. 1169 nm along the route, 7 nm north of the line.
as filed, and in English
```
ICT UA /OV 30N/TM 1342/FL140/TP PC12/TB LGT-MOD TURB /RM DURD
```
Report
a routine report filed through ICT
Where
over 30N
Time
13:42 UTC
Height
at 14,000 ft
Aircraft
PC12
Turbulence
light to moderate turbulence
Remarks
during the descent
SF50 at 14,000 ft, 8 nm south, 5:50 am PDT (12:50 UTC): light chop turbulence from 14,000 ft to 20,000 ft, remarks: ZME60. 1728 nm along the route, 8 nm south of the line.
as filed, and in English
```
BNA UA /OV BNA135040/TM 1250/FL140/TP SF50/SK SKC140/TB OCNL LGT CHOP 200-140/RM ZME60
```
Report
a routine report filed through BNA
Where
40 nm southeast (135°) of BNA
Time
12:50 UTC
Height
at 14,000 ft
Aircraft
SF50
Sky
clear from 14,000 ft
Turbulence
occasional light chop from 20,000 ft to 14,000 ft
Remarks
ZME60

16 more routine reports are on the map.

Winds aloft along the route, and the time en route the forecast for use 14:00–21:00 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 16 forecast points nearest it (SFO, SAC, BIH, ELY, BCE, GJT, ALS, PUB, GCK, ICT, TUL, SGF, CGI, BNA, TYS, GSP). 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	260° at 14 kt	−13 kt	20 °C	133 kt	14 h 30 min	1:12 am EDT (05:12 UTC)
7,500 ft	240° at 16 kt	−14 kt	11 °C	134 kt	14 h 23 min	1:05 am EDT (05:05 UTC)
9,500 ft	250° at 18 kt	−16 kt	7 °C	136 kt	14 h 11 min	12:53 am EDT (04:53 UTC)
11,500 ft	240° at 22 kt	−19 kt	3 °C	139 kt	13 h 52 min	12:34 am EDT (04:34 UTC)
13,500 ft	240° at 24 kt	−21 kt	-1 °C	141 kt	13 h 40 min	12:22 am EDT (04:22 UTC)
15,500 ft	240° at 26 kt	−23 kt	-5 °C	143 kt	13 h 29 min	12:11 am EDT (04:11 UTC)
17,500 ft	240° at 28 kt	−25 kt	-9 °C	145 kt	13 h 18 min	12:00 am EDT (04:00 UTC)
18,000 ft FL180	240° at 29 kt	−25 kt	-10 °C	145 kt	13 h 18 min	12:00 am EDT (04:00 UTC)
24,000 ft FL240	250° at 37 kt	−33 kt	-21 °C	153 kt	12 h 36 min	11:18 pm EDT (03:18 UTC)
30,000 ft FL300	250° at 52 kt	−50 kt	-31 °C	170 kt	11 h 20 min	10:02 pm EDT (02:02 UTC)
34,000 ft FL340	250° at 54 kt	−54 kt	-38 °C	174 kt	11 h 05 min	9:47 pm EDT (01:47 UTC)
39,000 ft FL390	260° at 52 kt	−52 kt	-48 °C	172 kt	11 h 13 min	9:55 pm EDT (01:55 UTC)

Based on data from the 12th at 12:00 UTC; valid on the 12th at 18:00 UTC for use 14:00 to 21:00 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; 33 nm from the line	010/6	360/13 5°	360/17 -3°	350/39 -2°	350/56 -11°	350/57 -24°	350/59 -40°	340/50 -46°	320/30 -47°
SAC	used from 50 nm out; 55 nm from the line	L/V	320/8 4°	330/12 -3°	350/25 -6°	350/63 -12°	340/65 -24°	340/60 -40°	340/45 -45°	290/24 -45°
BIH	used from 100 nm out; 69 nm from the line		L/V	340/7 -3°	L/V -8°	250/15 -17°	330/30 -24°	270/23 -34°	230/35 -39°	230/39 -44°
ELY	used from 250 nm out; 101 nm from the line			210/17 0°	220/30 -6°	190/50 -19°	200/56 -28°	210/76 -32°	210/63 -37°	210/59 -43°
BCE	used from 400 nm out; 64 nm from the line				200/31 -2°	190/46 -14°	210/72 -24°	210/87 -30°	220/89 -38°	220/78 -46°
GJT	used from 549 nm out; 87 nm from the line			190/30 6°	200/35 0°	220/50 -13°	220/69 -22°	220/81 -30°	230/84 -39°	230/88 -47°
ALS	used from 699 nm out; 71 nm from the line				230/34 2°	230/57 -9°	230/72 -19°	230/82 -27°	230/91 -36°	240/89 -48°
PUB	used from 799 nm out; 15 nm from the line			250/31 11°	240/42 5°	230/46 -7°	230/59 -20°	240/77 -30°	230/94 -37°	240/95 -49°
GCK	used from 949 nm out; 43 nm from the line		250/23 20°	230/35 13°	240/47 7°	240/42 -7°	250/43 -20°	240/81 -28°	250/87 -37°	250/83 -49°
ICT	used from 1099 nm out; 50 nm from the line	200/26	240/31 21°	230/30 14°	240/30 7°	250/38 -8°	240/49 -19°	260/73 -27°	270/69 -37°	270/63 -48°
TUL	used from 1249 nm out; 75 nm from the line	210/24	220/29 18°	240/17 14°	250/16 8°	260/28 -6°	260/36 -18°	270/63 -28°	280/54 -37°	290/46 -49°
SGF	used from 1299 nm out; 46 nm from the line	220/23	240/29 16°	240/21 13°	240/15 7°	270/28 -7°	260/34 -18°	280/67 -29°	290/59 -37°	290/51 -49°
CGI	used from 1449 nm out; 86 nm from the line	250/22	250/17 15°	250/25 11°	260/27 7°	270/35 -7°	280/38 -17°	300/63 -31°	300/62 -38°	300/55 -49°
BNA	used from 1599 nm out; 76 nm from the line	270/14	270/10 14°	280/19 11°	280/26 6°	280/25 -6°	280/31 -18°	300/44 -32°	300/53 -40°	310/51 -49°
TYS	used from 1748 nm out; 63 nm from the line	320/8	330/17 16°	320/17 9°	310/24 6°	290/23 -6°	290/28 -19°	300/36 -33°	310/48 -40°	320/46 -50°
GSP	used from 1898 nm out; 15 nm from the line	330/14	360/26 17°	360/22 11°	330/20 6°	310/27 -5°	320/24 -18°	310/28 -33°	320/38 -40°	330/30 -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
OAK Oakland, CA	departure	VFR Sky: a few clouds at 1,600 feet	from the east-northeast (060°) at 3 knots	10+ mi	none	9 ft	6:53 am PDT (13:53 UTC)
LVK Livermore, CA	20 nm out, 4 nm south of the line, tower	VFR	from the east (100°) at 3 knots	10+ mi	none	399 ft	13:53 UTC
TPH Tonopah, NV	240 nm out, 6 nm southeast of the line	VFR Sky: scattered clouds at 6,000 feet	calm	10+ mi	none	5,430 ft	13:56 UTC
HVE Hanksville, UT	549 nm out, 7 nm northwest of the line	VFR Sky: scattered clouds at 12,000 feet	from the south (170°) at 8 knots	10+ mi	none	4,453 ft	14:10 UTC
AIB Nucla, CO	649 nm out, 5 nm southwest of the line	IFR Sky: a broken layer at 6,000 feet, overcast at 8,500 feet Weather: haze	from the south (190°) at 14 knots, gusting to 24	1.25 mi	6,000 ft	5,945 ft	08:15 UTC
PUB Pueblo, CO	839 nm out, 6 nm north of the line, tower	VFR	from the north-northwest (330°) at 6 knots	10+ mi	none	4,729 ft	13:53 UTC
GCK Garden City, KS	1019 nm out, 2 nm west of the line, tower	VFR	from the southwest (220°) at 16 knots, gusting to 23	10+ mi	none	2,890 ft	13:54 UTC
ICT Wichita, KS	1179 nm out, 5 nm northwest of the line, tower	VFR Sky: scattered clouds at 15,000 feet, a broken layer at 18,000 feet	from the south (190°) at 14 knots, gusting to 21	10+ mi	18,000 ft	1,332 ft	13:53 UTC
SGF Springfield, MO	1369 nm out, 8 nm north of the line, tower	VFR	from the south (180°) at 11 knots	10+ mi	none	1,268 ft	13:52 UTC
MQY Smyrna, TN	1708 nm out, 7 nm north of the line, tower	VFR	from the southeast (130°) at 4 knots	10+ mi	none	543 ft	13:56 UTC
MMI Athens, TN	1808 nm out, 3 nm south of the line	low IFR Sky: overcast at 200 feet Weather: fog	calm	0.25 mi	200 ft	874 ft	14:15 UTC
GSP Greer, SC	destination	VFR	from the north-northwest (330°) at 5 knots	10+ mi	none	963 ft	9:53 am EDT (13:53 UTC)

The highest airport on this list sits at 5,945 ft; the ground between airports is higher still. Check the sectional chart for the terrain and the minimum safe heights along the line.

At GSP when you get there the forecast at the estimated arrival, 9:47 pm EDT (01:47 UTC)

Wind from the north-northwest at 5 knots, visibility more than 6 miles, a few clouds at 25,000 feet VFR

The whole forecast for GSP

From Mon 8:00 am EDT (12:00 UTC): wind from the west-northwest at 11 knots, visibility more than 6 miles, a few clouds at 5,000 feet
From Mon 10:00 am EDT (14:00 UTC): wind from the north-northwest at 10 knots, gusting to 18, visibility more than 6 miles, clear skies
From Mon 5:00 pm EDT (21:00 UTC): wind from the north-northwest at 5 knots, visibility more than 6 miles, a few clouds at 25,000 feet
From Tue 1:00 am EDT (05:00 UTC): wind light and variable, visibility more than 6 miles, a few clouds at 25,000 feet

The forecast for OAK, the departure

From Mon 5:00 am PDT (12:00 UTC): wind from the east at 5 knots, visibility more than 6 miles, a few clouds at 2,000 feet
From Mon 11:00 am PDT (18:00 UTC): wind from the west at 8 knots, visibility more than 6 miles, clear skies

Temporary flight restrictions on the line or within 25 nm of it

6/7094 45NM NE MERCED, CA, Sunday, October 4, 2026 through Tuesday, October 20, 2026 UTC 14 nm from the route, 120 nm along the route · a hazard on the ground (fire-fighting, a chemical spill, rescue work) · until 20 October · ZOA
6/0708 Goodlettsville, TN, Saturday, August 1, 2026 through Sunday, August 1, 2027 UTC 25 nm from the route, 1698 nm along the route · security · until 1 August · ZME

Daylight

Sunset at OAK 6:34 pm PDT (01:34 UTC), at GSP 6:58 pm EDT (22:58 UTC) (civil twilight ends 7:23 pm EDT (23:23 UTC)). At 120 knots the arrival at GSP is after sunset there (6:58 pm EDT (22:58 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

Radar now, the Pacific Southwest · loop National Weather Service

Radar now, the southern Rockies · loop National Weather Service

Radar now, the southern Plains · loop National Weather Service

Radar, the whole country · loop National Weather Service

Surface analysis now Weather Prediction Center

Forecast chart, 12 hours ahead Weather Prediction Center

Forecast chart, 24 hours ahead Weather Prediction Center

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: Oakland San Francisco Bay Airport, Greenville Spartanburg International.