Air and other travel was paralyzed in New York City and throughout the Northeast after a massive nor’easter pummeled the tri-state with heavy snow and high winds, leading to accumulation totals above 2 feet.

LaGuardia, JFK and Newark airports are resuming departures and arrivals in a phased approach. The airports had no flights in or out on Monday, and the last departure had been just before 10 p.m. on Sunday.

The ripple effect is real: Almost half the daily flights were canceled at each of those airports on Tuesday. Travelers are bracing for long lines and serious headaches. Similar woes affect much of the Northeast.

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See the status of individual carriers by airport.

NEWARK LIBERTY INTERNATIONAL AIRPORT

Aer Lingus

Air Canada

Air China

Air India

Alaska Airlines

Allegiant

American Airlines

Austrian Airlines

Avianca

British Airways

Cathay Pacific

Delta

El Al

Elite Airways

Emirates

Ethiopian Airlines

Eurowings

Frenchbee

Frontier

Icelandair

JetBlue

La Compagnie

Level Airlines

LOT- Polish Airlines

Lufthansa

Porter

Scandinavian Airlines

Singapore Airlines

Sun Country

Spirit

SWISS

TAP Air Portugal

Turkish Airlines

United

Virgin Atlantic

JOHN F. KENNEDY INTERNATIONAL AIRPORT

Aer Lingus

Aeromexico

Aeroflot

Aerolíneas Argentinas

Air China

Air Europa

Air France

Air Italy

Air India

Air Serbia

Air Senegal

Alaska Airlines

Alitalia

American Airlines

ANA (All Nippon)

Asiana

Austrian Airlines

Avianca Brasil

Azerbaijan Airlines

British Airways

Brussels Airlines

Cape Air

Caribbean Airlines

Cathay Pacific

Cayman Airways

China Airlines

China Eastern

China Southern

Copa Airlines

Delta

EgyptAir

El Al

Emirates

Ethiopian Airlines

Etihad

Eurowings

EVA Air

Finnair

Hawaiian Airlines

Iberia

Icelandair

Interjet

Japan Airlines

JetBlue

Kenya Airways

KLM Royal Dutch Airlines

Korean Air

Kuwait Airways

LATAM

LOT

Lufthansa

Neos

Norwegian Air

Philippine Airlines

Qatar Airways

Royal Air Maroc

Royal Jordanian

Saudi Arabian Airlines

Singapore Airlines

South African Airways

SWISS

TAP Portugal

Turkish Airlines

Ukraine International Airlines

Uzbekistan Airlines

Virgin Atlantic

Viva Aerobus

Volaris

WestJet

XiamenAir

LAGUARDIA AIRPORT

Air Canada

American Airlines

American Shuttle

Delta Air Lines

Delta Shuttle Boston, Chicago, and Washington, D.C.

Frontier Airlines

JetBlue

Southwest Airlines

Spirit (Fort Lauderdale)

Spirit

United Airlines

WestJet