Newark Liberty International to Ontario International EWR → ONT

Warnings the route crosses SIGMETs and AIRMETs whose area the line passes through or comes within 25 nm of

• SIGMET C10C: thunderstorms (a convective SIGMET) up to 34,000 ft, moving from the southwest at 40 knots, until 3:55 am EDT (07:55 UTC). Over the route from 1379 to 1509 nm out.
  as issued

  WSUS32 KKCI 120555
  MKCC WST 120555
  CONVECTIVE SIGMET 10C
  VALID UNTIL 0755Z
  CO NM
  FROM 20NNE PUB-40WSW LAA-30WSW CIM-50WSW ALS-50ESE HBU-20NNE PUB
  AREA TS MOV FROM 22040KT. TOPS TO FL340.

• AIRMET SIERRA 3E: low cloud or poor visibility (IFR conditions) (due to ceilings below 1,000 ft, visibility below 3 miles, precipitation, mist). Over the first 580 nm of the route.
• AIRMET TANGO 3W: moderate turbulence above 18,000 ft from 21,000 ft to 33,000 ft. Over the first 200 nm of the route.
• AIRMET SIERRA 4E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the route from 90 to 270 nm out.
• AIRMET TANGO 3W: 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 799 to 1339 nm out.
• AIRMET TANGO 4W: moderate turbulence below 18,000 ft up to 18,000 ft. Over the route from 1329 to 1889 nm out.
• AIRMET TANGO 4W: moderate turbulence above 18,000 ft from 18,000 ft to 38,000 ft. Over the route from 1359 to 1409 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 1399 to 1509 nm out.
• AIRMET TANGO 2W: moderate turbulence above 18,000 ft from 35,000 ft to 45,000 ft. Over the route from 1419 to 1999 nm out.
• AIRMET SIERRA 1E: mountains obscured by cloud (due to mountains obscured by clouds, precipitation, mist). Over the route from 1689 to 1909 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 1779 to 1819 nm out.
• AIRMET ZULU 2C: moderate icing up to 23,000 ft. Near the route, 1829 nm along the route.
• AIRMET TANGO 1W: moderate turbulence below 18,000 ft (due to mountain wave) up to 15,000 ft. Over the last 130 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 EWR.

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

Not fetched just now.

At ONT when you get there the forecast at the estimated arrival, 8:04 pm PDT (03:04 UTC)

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

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

• 5/2811 NEW YORK, NY, Monday, October 20, 2025 through Tuesday, October 20, 2026 Local 9 nm from the route, at the departure end · security · until 20 October · ZNY
• 6/8587 Youngstown, OH, Monday, October 12, 2026 through Monday, October 12, 2026 Local on the route, 280 nm along the route · a VIP movement · today · ZOB
• 6/8829 Youngstown, OH, Monday, October 12, 2026 through Monday, October 12, 2026 Local 11 nm from the route, 300 nm along the route · a VIP movement · today · ZOB
• 6/8891 Bullhead City, AZ, Wednesday, October 14, 2026 Local on the route, 1919 nm along the route · a VIP movement · starts Wednesday 14 October · ZLA
• 4/3635 DISNEYLAND THEME PARK, ANAHEIM,, CA 19 nm from the route, at the destination end · security · ZLA

Daylight

Sunset at EWR 6:21 pm EDT (22:21 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 (6:20 pm PDT (01:20 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.