San Diego International to Ontario International SAN → ONT
82 nautical miles (94 statute miles) north on a straight line, true course 346°, about 335° magnetic at the departure end (variation 11E). At 120 knots that is 32 min at the quickest height in today's winds (34,000 ft, a 36-knot tailwind), arriving about 6:54 pm PDT (01:54 UTC), after sunset at the destination. Right now SAN is marginal VFR, wind from the southwest (230°) at 7 knots; ONT is VFR, wind from the west-southwest (240°) at 8 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: 213 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 6E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the whole route.
- AIRMET TANGO 1W: moderate turbulence below 18,000 ft (due to mountain wave) up to 12,000 ft. Over the last 27 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 SAN.
Pilot reports along the route within 50 nm of the line, last three hours, the serious ones first
- B38M at 14,000 ft, 34 nm northeast, 5:13 pm PDT (00:13 UTC): moderate turbulence, light rime icing, 8 °C. At the destination end, 34 nm northeast of the line.
as filed, and in English
ONT UA /OV ONT053034/TM 0013/FL140/TP B38M/TA 08/TB MODERATE TURBULENCE/IC LIGHT RIME ICE 190 - 170
- Report
- a routine report filed through ONT
- Where
- 34 nm northeast (053°) of ONT
- Time
- 00:13 UTC
- Height
- at 14,000 ft
- Aircraft
- B38M
- Temperature
- 8 °C
- Turbulence
- moderate turbulence
- Icing
- light rime ice at 19,000 ft at 17,000 ft
- E75L at 2,800 ft, 0 nm northwest, 6:05 pm PDT (01:05 UTC): a broken layer from 2,800 ft to 5,500 ft. At the departure end, 0 nm northwest of the line.
as filed, and in English
SAN UA /OV SAN/TM 0105/FL28/TP E75L/SK BKN028/TOP055
- Report
- a routine report filed through SAN
- Where
- over SAN
- Time
- 01:05 UTC
- Height
- at 2,800 ft
- Aircraft
- E75L
- Sky
- a broken layer from 2,800 ft; TOP055
- CL60 at 3,000 ft, 12 nm northeast, 5:22 pm PDT (00:22 UTC): remarks: bases 3,000 ft tops 5,500 ft. At the departure end, 12 nm northeast of the line.
as filed, and in English
SEE UA /OV 4 MI WEST/TM 0022/FL030/TP CL60/RM BASES 030 TOPS 055
- Report
- a routine report filed through SEE
- Where
- 4 mi west
- Time
- 00:22 UTC
- Height
- at 3,000 ft
- Aircraft
- CL60
- Remarks
- bases 3,000 ft tops 5,500 ft
- B737 at 2,700 ft, 0 nm northwest, 5:08 pm PDT (00:08 UTC): remarks: bases 2,700 ft tops 5,000 ft. At the departure end, 0 nm northwest of the line.
as filed, and in English
SAN UA /OV 3 MI WEST/TM 0008/FL027/TP B737/RM BASES 027 TOPS 050
- Report
- a routine report filed through SAN
- Where
- 3 mi west
- Time
- 00:08 UTC
- Height
- at 2,700 ft
- Aircraft
- B737
- Remarks
- bases 2,700 ft tops 5,000 ft
- B39M at 3,400 ft, 0 nm northwest, 5:04 pm PDT (00:04 UTC): a broken layer from 3,400 ft to 4,000 ft, remarks: during the descent RY27. At the departure end, 0 nm northwest of the line.
as filed, and in English
SAN UA /OV SAN/TM 0004/FL034/TP B39M/SK BKN034-TOP040/RM DURD RY27
- Report
- a routine report filed through SAN
- Where
- over SAN
- Time
- 00:04 UTC
- Height
- at 3,400 ft
- Aircraft
- B39M
- Sky
- a broken layer from 3,400 ft, tops 4,000 ft
- Remarks
- during the descent RY27
- B737 at 2,700 ft, 0 nm northwest, 4:18 pm PDT (23:18 UTC): remarks: bases 2,700 ft tops 4,700 ft. At the departure end, 0 nm northwest of the line.
as filed, and in English
SAN UA /OV 2 MI WEST/TM 2318/FL027/TP B737/RM BASES 027 TOPS 047
- Report
- a routine report filed through SAN
- Where
- 2 mi west
- Time
- 23:18 UTC
- Height
- at 2,700 ft
- Aircraft
- B737
- Remarks
- bases 2,700 ft tops 4,700 ft
- E55P at 2,700 ft, 0 nm northwest, 4:11 pm PDT (23:11 UTC): a broken layer from 2,700 ft to 3,500 ft. At the departure end, 0 nm northwest of the line.
as filed, and in English
SAN UA /OV SAN/TM 2311/FL027/TP E55P/SK BKN027/TOP035
- Report
- a routine report filed through SAN
- Where
- over SAN
- Time
- 23:11 UTC
- Height
- at 2,700 ft
- Aircraft
- E55P
- Sky
- a broken layer from 2,700 ft; TOP035
- BE58 at 2,800 ft, 12 nm northeast, 3:52 pm PDT (22:52 UTC): overcast above 3,000 ft, remarks: during the descent. At the departure end, 12 nm northeast of the line.
as filed, and in English
SEE UA /OV SEE32005/TM 2252/FL028/TP BE58/SK OVC030/RM DURD
- Report
- a routine report filed through SEE
- Where
- SEE32005
- Time
- 22:52 UTC
- Height
- at 2,800 ft
- Aircraft
- BE58
- Sky
- overcast from 3,000 ft
- Remarks
- during the descent
- SR22 descending, 12 nm east, 3:43 pm PDT (22:43 UTC): overcast from 2,600 ft to 6,000 ft, remarks: during the descent. At the departure end, 12 nm east of the line.
as filed, and in English
MYF UA /OV MYF100010/TM 2243/FLUNKN/TP SR22/SK OVC026-TOP060/RM DURD
- Report
- a routine report filed through MYF
- Where
- 10 nm east (100°) of MYF
- Time
- 22:43 UTC
- Height
- height not given
- Aircraft
- SR22
- Sky
- overcast from 2,600 ft, tops 6,000 ft
- Remarks
- during the descent
- B739 at 2,800 ft, 0 nm northwest, 3:41 pm PDT (22:41 UTC): remarks: bases 2,800 ft tops 4,800 ft. At the departure end, 0 nm northwest of the line.
as filed, and in English
SAN UA /OV 1 MI WEST/TM 2241/FL028/TP B739/RM BASES 028 TOPS 048
- Report
- a routine report filed through SAN
- Where
- 1 mi west
- Time
- 22:41 UTC
- Height
- at 2,800 ft
- Aircraft
- B739
- Remarks
- bases 2,800 ft tops 4,800 ft
- C172 at 2,500 ft, 4 nm southeast, 3:34 pm PDT (22:34 UTC): a broken layer, remarks: bases 2,500 ft tops 4,000 ft. 27 nm along the route, 4 nm southeast of the line.
as filed, and in English
CRQ UA /OV 1 MI WEST/TM 2234/FL025/TP C172/SK BKN/RM BASES 025 TOPS 040
- Report
- a routine report filed through CRQ
- Where
- 1 mi west
- Time
- 22:34 UTC
- Height
- at 2,500 ft
- Aircraft
- C172
- Sky
- a broken layer
- Remarks
- bases 2,500 ft tops 4,000 ft
- A20N at 5,300 ft, 19 nm west, 6:00 pm PDT (01:00 UTC): a broken layer from 4,300 ft to 5,300 ft. 64 nm along the route, 19 nm west of the line.
as filed, and in English
SNA UA /OV SNA/TM 0100/FL053/TP A20N/SK BKN043-TOP053
- Report
- a routine report filed through SNA
- Where
- over SNA
- Time
- 01:00 UTC
- Height
- at 5,300 ft
- Aircraft
- A20N
- Sky
- a broken layer from 4,300 ft, tops 5,300 ft
- E75S at 5,000 ft, 32 nm west, 5:00 pm PDT (00:00 UTC): a routine report with nothing remarked on. 73 nm along the route, 32 nm west of the line.
as filed, and in English
LGB UA /OV LGB180003/TM 0000/FL050/TP E75S/SK OVC43-TOP050
- Report
- a routine report filed through LGB
- Where
- 3 nm south (180°) of LGB
- Time
- 00:00 UTC
- Height
- at 5,000 ft
- Aircraft
- E75S
- Sky
- OVC43-TOP050
- C172 at 1,400 ft, 36 nm west, 3:53 pm PDT (22:53 UTC): remarks: base 3,400 ft. 73 nm along the route, 36 nm west of the line.
as filed, and in English
TOA UA /OV 4 E KTOA/TM 2253/FL014/TP C172/RM BASE 034
- Report
- a routine report filed through TOA
- Where
- 4 east KTOA
- Time
- 22:53 UTC
- Height
- at 1,400 ft
- Aircraft
- C172
- Remarks
- base 3,400 ft
9 more routine reports are on the map.
Winds aloft along the route, and the time en route the forecast for use 20:00–03:00 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 2 forecast points nearest it (SAN, ONT). 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 | 220° at 14 kt | −8 kt | 128 kt | 38 min | 7:00 pm PDT (02:00 UTC) | |
| 6,500 ft | 230° at 19 kt | −9 kt | 7 °C | 129 kt | 38 min | 7:00 pm PDT (02:00 UTC) |
| 8,500 ft | 230° at 25 kt | −9 kt | 5 °C | 129 kt | 38 min | 7:00 pm PDT (02:00 UTC) |
| 10,500 ft | 230° at 27 kt | −10 kt | 2 °C | 130 kt | 38 min | 7:00 pm PDT (02:00 UTC) |
| 12,500 ft | 230° at 27 kt | −13 kt | -2 °C | 133 kt | 37 min | 6:59 pm PDT (01:59 UTC) |
| 14,500 ft | 220° at 32 kt | −17 kt | -5 °C | 137 kt | 36 min | 6:58 pm PDT (01:58 UTC) |
| 16,500 ft | 220° at 36 kt | −22 kt | -9 °C | 142 kt | 35 min | 6:57 pm PDT (01:57 UTC) |
| 18,000 ft FL180 | 220° at 39 kt | −25 kt | -11 °C | 145 kt | 34 min | 6:56 pm PDT (01:56 UTC) |
| 24,000 ft FL240 | 220° at 50 kt | −29 kt | -19 °C | 149 kt | 33 min | 6:55 pm PDT (01:55 UTC) |
| 30,000 ft FL300 | 220° at 51 kt | −30 kt | -29 °C | 150 kt | 33 min | 6:55 pm PDT (01:55 UTC) |
| 34,000 ft FL340 | 220° at 56 kt | −36 kt | -35 °C | 156 kt | 32 min | 6:54 pm PDT (01:54 UTC) |
| 39,000 ft FL390 | 220° at 54 kt | −35 kt | -44 °C | 155 kt | 32 min | 6:54 pm PDT (01:54 UTC) |
Based on data from the 11th at 18:00 UTC; valid on the 12th at 00:00 UTC for use 20:00 to 03:00 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| SAN | used from 0 nm out; 23 nm from the line | 200/10 | 240/19 9° | 240/27 5° | 230/22 -1° | 220/40 -10° | 220/49 -19° | 220/54 -29° | 220/61 -35° | 220/56 -44° |
| ONT | used from 46 nm out; 18 nm from the line | 230/11 | 200/17 6° | 230/27 4° | 230/32 -2° | 210/39 -12° | 220/51 -20° | 220/48 -29° | 210/51 -34° | 210/52 -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 |
|---|---|---|---|---|---|---|---|
| SAN San Diego, CA | departure | marginal VFR Sky: a broken layer at 2,900 feet, overcast at 4,300 feet Weather: light rain | from the southwest (230°) at 7 knots | 6 mi | 2,900 ft | 16 ft | 6:12 pm PDT (01:12 UTC) |
| CRQ Carlsbad, CA | 27 nm out, 4 nm southeast of the line, tower | marginal VFR Sky: a broken layer at 2,700 feet, overcast at 3,600 feet | from the west-southwest (240°) at 7 knots | 10+ mi | 2,700 ft | 330 ft | 00:53 UTC |
| RIV Riverside, CA | 64 nm out, 14 nm northeast of the line, tower | VFR Sky: a few clouds at 2,500 feet, scattered clouds at 4,500 feet, a broken layer at 12,000 feet | from the south-southeast (160°) at 8 knots | 10+ mi | 12,000 ft | 1,536 ft | 00:55 UTC |
| ONT Ontario, CA | destination | VFR Sky: scattered clouds at 4,900 feet, a broken layer at 12,000 feet | from the west-southwest (240°) at 8 knots | 10+ mi | 12,000 ft | 944 ft | 5:53 pm PDT (00:53 UTC) |
The highest airport on this list sits at 1,536 ft; the ground between airports is higher still. Check the sectional chart for the terrain and the minimum safe heights along the line.
At ONT when you get there the forecast at the estimated arrival, 6:54 pm PDT (01:54 UTC)
Wind from the southwest at 11 knots, gusting to 18, visibility more than 6 miles, a few clouds at 3,000 feet, a broken layer at 5,000 feet VFR
The whole forecast for ONT
- From Sun 5:00 pm PDT (00:00 UTC): wind from the southwest at 11 knots, gusting to 18, visibility more than 6 miles, a few clouds at 3,000 feet, a broken layer at 5,000 feet
- From Sun 11:00 pm PDT (06:00 UTC): wind from the west-southwest at 8 knots, visibility more than 6 miles, showers nearby, overcast at 2,500 feet
- From Mon 3:00 am PDT (10:00 UTC): wind from the west-southwest at 4 knots, visibility more than 6 miles, showers nearby, a few clouds at 2,500 feet, a broken layer at 5,000 feet
- From Mon 11:00 am PDT (18:00 UTC): wind from the west-southwest at 5 knots, visibility more than 6 miles, a broken layer at 5,000 feet
- From Mon 2:00 pm PDT (21:00 UTC): wind from the west-southwest at 11 knots, gusting to 18, visibility more than 6 miles, a broken layer at 5,000 feet
- From Mon 8:00 pm PDT (03:00 UTC): wind from the west-southwest at 9 knots, visibility more than 6 miles, a broken layer at 6,000 feet
The forecast for SAN, the departure
- From Sun 5:00 pm PDT (00:00 UTC): wind from the southwest at 11 knots, visibility more than 6 miles, scattered clouds at 2,800 feet, a broken layer at 3,500 feet and more above
- From Sun 8:00 pm PDT (03:00 UTC): wind from the south-southwest at 7 knots, visibility more than 6 miles, a few clouds at 2,500 feet, a broken layer at 3,500 feet
- From Sun 11:00 pm PDT (06:00 UTC): wind from the southwest at 6 knots, visibility more than 6 miles, showers nearby, scattered clouds at 2,500 feet, a broken layer at 3,500 feet
- From Mon 12:00 pm PDT (19:00 UTC): wind from the west-southwest at 10 knots, gusting to 17, visibility more than 6 miles, a few clouds at 2,500 feet, a broken layer at 5,000 feet
- From Mon 5:00 pm PDT (00:00 UTC): wind from the west-southwest at 8 knots, visibility more than 6 miles, a broken layer at 5,000 feet
Temporary flight restrictions on the line or within 25 nm of it
- 4/3635 DISNEYLAND THEME PARK, ANAHEIM,, CA 16 nm from the route, 73 nm along the route · security · ZLA
Daylight
Sunset at SAN 6:19 pm PDT (01:19 UTC), at ONT 6:20 pm PDT (01:20 UTC) (civil twilight ends 6:45 pm PDT (01:45 UTC)). At 120 knots the arrival at ONT is after sunset there (6:21 pm PDT (01:21 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 Diego International, Ontario International.





