Plan a flight · Mon 8:10 am CDT (13:10 UTC)

Gulfport-Biloxi International to San Angelo Rgnl/Mathis Field GPT → SJT

591 nautical miles (680 statute miles) west on a straight line, true course 278°, about 280° magnetic at the departure end (variation 2W). At 120 knots that is 4 h 46 min at the quickest height in today's winds (6,500 ft, a 4-knot tailwind), arriving about 12:56 pm CDT (17:56 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: 10 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 1E: low cloud or poor visibility (IFR conditions) (due to ceilings below 1,000 ft, visibility below 3 miles, mist, fog). Over the first 187 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 GPT.

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

B737 at 40,000 ft, 45 nm northeast, 6:48 am CDT (11:48 UTC): light chop turbulence, remarks: zhu. At the departure end, 45 nm northeast of the line.
as filed, and in English
```
MOB UA /OV KSJI069043/TM 1148/FL400/TP B737/TB OCNL LGT CHOP/RM ZHU
```
Report
a routine report filed through MOB
Where
43 nm east (069°) of KSJI
Time
11:48 UTC
Height
at 40,000 ft
Aircraft
B737
Turbulence
occasional light chop
Remarks
zhu
C25A at 41,000 ft, 5 nm south, 6:05 am CDT (11:05 UTC): light chop turbulence, remarks: zhu. At the departure end, 5 nm south of the line.
as filed, and in English
```
HSA UA /OV KPCU314014/TM 1105/FL410/TP C25A/TB OCNL LGT CHOP/RM ZHU
```
Report
a routine report filed through HSA
Where
14 nm northwest (314°) of KPCU
Time
11:05 UTC
Height
at 41,000 ft
Aircraft
C25A
Turbulence
occasional light chop
Remarks
zhu
B738 at 40,000 ft, 33 nm south, 6:03 am CDT (11:03 UTC): light chop turbulence, remarks: zhu. 59 nm along the route, 33 nm south of the line.
as filed, and in English
```
MSY UA /OV KHRV067024/TM 1103/FL400/TP B738/TB CONS LGT CHOP/RM ZHU
```
Report
a routine report filed through MSY
Where
24 nm northeast (067°) of KHRV
Time
11:03 UTC
Height
at 40,000 ft
Aircraft
B738
Turbulence
continuous light chop
Remarks
zhu
B738 at 36,000 ft, 33 nm south, 5:58 am CDT (10:58 UTC): no turbulence, remarks: zhu. 59 nm along the route, 33 nm south of the line.
as filed, and in English
```
MSY UA /OV KHRV339030/TM 1058/FL360/TP B738/TB NEG/RM ZHU
```
Report
a routine report filed through MSY
Where
30 nm north (339°) of KHRV
Time
10:58 UTC
Height
at 36,000 ft
Aircraft
B738
Turbulence
none
Remarks
zhu
B737 at 23,000 ft, 7 nm south, 7:30 am CDT (12:30 UTC): no turbulence up to 23,000 ft, remarks: zhu. 108 nm along the route, 7 nm south of the line.
as filed, and in English
```
BTR UA /OV KLSU945005/TM 1230/FL230/TP B737/TB NEG 000-230/RM ZHU
```
Report
a routine report filed through BTR
Where
5 nm southwest (945°) of KLSU
Time
12:30 UTC
Height
at 23,000 ft
Aircraft
B737
Turbulence
no from 0 ft to 23,000 ft
Remarks
zhu
A21N at 34,000 ft, 7 nm south, 6:37 am CDT (11:37 UTC): no turbulence, remarks: zhu. 108 nm along the route, 7 nm south of the line.
as filed, and in English
```
BTR UA /OV KBTR/TM 1137/FL340/TP A21N/TB NEG/RM ZHU
```
Report
a routine report filed through BTR
Where
over KBTR
Time
11:37 UTC
Height
at 34,000 ft
Aircraft
A21N
Turbulence
none
Remarks
zhu
B36M at 18,000 ft, 29 nm south, 7:24 am CDT (12:24 UTC): light clear-air turbulence, remarks: zhu. 325 nm along the route, 29 nm south of the line.
as filed, and in English
```
IAH UA /OV KIAH355035/TM 1224/FL180/TP B36M/TB LGT CAT/RM ZHU
```
Report
a routine report filed through IAH
Where
35 nm north (355°) of KIAH
Time
12:24 UTC
Height
at 18,000 ft
Aircraft
B36M
Turbulence
light clear-air turbulence
Remarks
zhu
F2TH at 18,000 ft, 20 nm south, 7:20 am CDT (12:20 UTC): no turbulence from 17,300 ft to 29,000 ft, remarks: zhu. 335 nm along the route, 20 nm south of the line.
as filed, and in English
```
UTS UA /OV KLOA30035-KLOA190020/TM 1220/FL180/TP F2TH/TB NEG 290-173/RM ZHU
```
Report
a routine report filed through UTS
Where
KLOA30035-KLOA190020
Time
12:20 UTC
Height
at 18,000 ft
Aircraft
F2TH
Turbulence
no from 29,000 ft to 17,300 ft
Remarks
zhu
B738 at 18,000 ft, 20 nm south, 6:59 am CDT (11:59 UTC): light turbulence, remarks: zhu. 335 nm along the route, 20 nm south of the line.
as filed, and in English
```
UTS UA /OV KLOA155020/TM 1159/FL180/TP B738/TB LGT CHOPN 180-230/RM ZHU
```
Report
a routine report filed through UTS
Where
20 nm southeast (155°) of KLOA
Time
11:59 UTC
Height
at 18,000 ft
Aircraft
B738
Turbulence
light chopn from 18,000 ft to 23,000 ft
Remarks
zhu
B738 at 21,000 ft, 32 nm south, 6:48 am CDT (11:48 UTC): light to moderate turbulence, remarks: flight level at 19,000 ft FL220 zhu. 374 nm along the route, 32 nm south of the line.
as filed, and in English
```
CLL UA /OV KTNV200020/TM 1148/FL210/TP B738/TB LGT-MOD/RM FL 190 FL220 ZHU
```
Report
a routine report filed through CLL
Where
20 nm south (200°) of KTNV
Time
11:48 UTC
Height
at 21,000 ft
Aircraft
B738
Turbulence
light to moderate
Remarks
flight level at 19,000 ft FL220 zhu
B737 at 20,000 ft, 32 nm south, 6:35 am CDT (11:35 UTC): light chop turbulence, remarks: zhu. 374 nm along the route, 32 nm south of the line.
as filed, and in English
```
CLL UA /OV KTNV/TM 1135/FL200/TP B737/TB CONS LGT CHOP/RM ZHU
```
Report
a routine report filed through CLL
Where
over KTNV
Time
11:35 UTC
Height
at 20,000 ft
Aircraft
B737
Turbulence
continuous light chop
Remarks
zhu
PC12 descending, 32 nm south, 8:02 am CDT (13:02 UTC): a broken layer above 2,200 ft. 443 nm along the route, 32 nm south of the line.
as filed, and in English
```
GTU UA /OV 5NM N/TM 1302/FLDURD/TP PC12/SK BKN022 - TOPUNK
```
Report
a routine report filed through GTU
Where
5NM north
Time
13:02 UTC
Height
during the descent
Aircraft
PC12
Sky
BKN022 topunk
BE20 climbing, 32 nm south, 7:22 am CDT (12:22 UTC): overcast from 2,800 ft to 4,000 ft, remarks: higher layer above. 443 nm along the route, 32 nm south of the line.
as filed, and in English
```
GTU UA /OV 3NM SW/TM 1222/FLDURC/TP BE20/SK OVC028 - TOP040/RM HIGHER LAYER ABOVE
```
Report
a routine report filed through GTU
Where
3NM southwest
Time
12:22 UTC
Height
during the climb
Aircraft
BE20
Sky
overcast from 2,800 ft, tops 4,000 ft
Remarks
higher layer above
B737 at 38,000 ft, 12 nm south, 6:05 am CDT (11:05 UTC): light chop turbulence, wind 306° at 27 knots. 522 nm along the route, 12 nm south of the line.
as filed, and in English
```
BWD UA /OV SJT094066/TM 1105/FL380/TP B737/WV 306027KT/TB LGT CHOP CONS/RM AWC-WEB
```
Report
a routine report filed through BWD
Where
66 nm east (094°) of SJT
Time
11:05 UTC
Height
at 38,000 ft
Aircraft
B737
Wind
from 306° at 27 knots
Turbulence
light chop continuous
Remarks

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 4 forecast points nearest it (MSY, LCH, CLL, ABI). 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	180° at 19 kt	−3 kt	19 °C	123 kt	4 h 48 min	12:58 pm CDT (17:58 UTC)
6,500 ft	170° at 17 kt	−4 kt	17 °C	124 kt	4 h 46 min	12:56 pm CDT (17:56 UTC)
8,500 ft	180° at 10 kt	−1 kt	15 °C	121 kt	4 h 53 min	1:03 pm CDT (18:03 UTC)
10,500 ft	200° at 6 kt	+1 kt	11 °C	119 kt	4 h 58 min	1:08 pm CDT (18:08 UTC)
12,500 ft	220° at 5 kt	+3 kt	7 °C	117 kt	5 h 03 min	1:13 pm CDT (18:13 UTC)
14,500 ft	250° at 7 kt	+6 kt	2 °C	114 kt	5 h 11 min	1:21 pm CDT (18:21 UTC)
16,500 ft	260° at 9 kt	+9 kt	-2 °C	111 kt	5 h 19 min	1:29 pm CDT (18:29 UTC)
18,000 ft FL180	270° at 11 kt	+11 kt	-6 °C	109 kt	5 h 25 min	1:35 pm CDT (18:35 UTC)
24,000 ft FL240	270° at 18 kt	+18 kt	-14 °C	102 kt	5 h 48 min	1:58 pm CDT (18:58 UTC)
30,000 ft FL300	300° at 26 kt	+24 kt	-30 °C	96 kt	6 h 09 min	2:19 pm CDT (19:19 UTC)
34,000 ft FL340	320° at 25 kt	+18 kt	-40 °C	102 kt	5 h 48 min	1:58 pm CDT (18:58 UTC)
39,000 ft FL390	330° at 32 kt	+17 kt	-51 °C	103 kt	5 h 44 min	1:54 pm CDT (18:54 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
MSY	used from 0 nm out; 47 nm from the line	150/9	140/8 18°	L/V 13°	L/V 6°	320/15 -5°	310/16 -16°	320/32 -31°	340/35 -40°	350/34 -52°
LCH	used from 148 nm out; 59 nm from the line	170/21	160/23 18°	170/13 13°	170/6 8°	300/12 -7°	280/16 -14°	320/27 -30°	330/23 -41°	340/38 -51°
CLL	used from 296 nm out; 64 nm from the line	180/24	170/21 19°	180/10 14°	230/7 8°	230/16 -6°	260/20 -13°	290/23 -29°	320/21 -39°	340/35 -51°
ABI	used from 493 nm out; 74 nm from the line		200/30 19°	220/12 16°	220/11 9°	230/15 -5°	250/26 -15°	250/39 -28°	270/36 -38°	280/30 -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	Elevation
GPT Gulfport, MS	departure	no report just now	28 ft
HSA Bay St Louis, MS	20 nm out, 5 nm south of the line, tower	no report just now	22 ft
HDC Hammond, LA	69 nm out, 3 nm southwest of the line, tower	no report just now	46 ft
HZR New Roads, LA	128 nm out, 3 nm northeast of the line	no report just now	39 ft
ACP Oakdale, LA	187 nm out, 4 nm south of the line	no report just now	107 ft
JAS Jasper, TX	256 nm out, 4 nm southwest of the line	no report just now	212 ft
LFK Lufkin, TX	296 nm out, 14 nm north of the line	no report just now	295 ft
LHB Hearne, TX	394 nm out, 17 nm south of the line	no report just now	284 ft
GRK Fort Hood (Killeen), TX	453 nm out, 10 nm south of the line, tower	no report just now	1,015 ft
BBD Brady, TX	532 nm out, 8 nm south of the line	no report just now	1,827 ft
SJT San Angelo, TX	destination	no report just now	1,918 ft

The highest airport on this list sits at 1,918 ft; the ground between airports is higher still. Check the sectional chart for the terrain and the minimum safe heights along the line.

At SJT when you get there the forecast at the estimated arrival, 12:56 pm CDT (17:56 UTC)

SJT has no terminal forecast; use the nearest airport that does.

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

6/0543 MCGREGOR, TX 11 nm from the route, 434 nm along the route · security · ZFW
6/4240 SAN ANGELO, TX, Sunday, March 8, 2026 through Sunday, November 1, 2026 Local 1 nm from the route, at the destination end · security · until 1 November · ZFW

Daylight

Sunset at GPT 6:28 pm CDT (23:28 UTC), at SJT 7:12 pm CDT (00:12 UTC) (civil twilight ends 7:37 pm CDT (00:37 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 lower Mississippi valley · 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: Gulfport-Biloxi International, San Angelo Rgnl/Mathis Field.