Snow, ice and bitter cold disrupt travel with nearly 3,000 flights canceled

This story has been updated with new information

Snow, ice and bone-chilling temperatures have hampered air travel operations across much of the country as the long weekend comes to a close.

Airlines have canceled thousands of flights in recent days. That includes nearly 3,000 flights scrapped Monday, according to data from FlightAware.

The disruptions come as parts of the country dig out from heavy snow, and many other regions contend with sub-zero temperatures and even colder wind chills.

As of Monday evening, Southwest Airlines led the way with more than 760 cancellations — close to 20% of its schedule. An additional 1,400-plus Southwest flights have been delayed so far Monday.

The Dallas-based carrier has been affected by bad weather in many of its key focus cities. Chicago and Denver, home to a large share of the airline's crews, have seen snow and bitter cold temperatures in recent days.

United Airlines, American Airlines and regional carrier Skywest have each canceled between 200 and 400 flights Monday.

Houston's George Bush Intercontinental Airport (IAH) leads all U.S. airports with more than 250 departures canceled as of Monday evening, FlightAware shows.

Also hit hard: Dallas/Fort Worth International Airport (IAH), Denver International Airport (DEN), Chicago's O'Hare International Airport (ORD), along with numerous other major hubs from Texas to the Midwest and Plains.

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Airport operations affected

The snow, ice and dangerously cold conditions have complicated airport operations across much of the country.

At O'Hare, the Airport Transit System, which shuttles passengers between terminals, the rental car facility and public transit broke down at one point Sunday amid the extreme temperatures — though it's now back up and running.

Heavy snow in Buffalo saw around 83% of flights at Buffalo Niagra International Airport (BUF) canceled Sunday as part of a storm that led to New York Gov. Kathy Hochul implementing travel restrictions — and even saw the National Football League re-schedule a Buffalo Bills home playoff game for Monday.

In Texas, Dallas Love Field Airport (DAL) warned on social media of extreme weather conditions affecting North Texas, and a "significant number" of cancellations expected.

Meanwhile, to the south in Houston, airport maintenance teams pretreated roads and runways with de-icing chemicals ahead of the storm that hampered operations.

The National Weather Service warned of wintry conditions, including freezing rain, expected from Texas and Louisiana to the central Appalachian region and Mid-Atlantic states.

And, as these winter weather systems move east, some airlines have extended travel alerts to the East Coast and Northeast for the coming days, giving travelers added flexibility to change itineraries.

737 MAX 9 cancellations continue

This weekend's disruptions have only added to the flight cancellations tally as two major U.S. carriers – United and Alaska — continue to cancel more than a hundred daily flights as a result of the Federal Aviation Administration's grounding of the Boeing 737 MAX 9, the aircraft type involved in a harrowing midair emergency on a Jan. 5 on an Alaska flight.

Over the weekend, the Seattle-based carrier said it was still waiting on final instructions from the FAA and Boeing for inspections and maintenance required on each of its MAX 9s. The airline also revealed plans to step up its own oversight of Boeing's production line on 737 MAX aircraft.

It's not clear, at this point, how long the MAX 9 might stay grounded.

Bottom line

If you do have travel plans in the coming days, keep a close eye on your airline's app for early warning signs that your flight may be delayed or canceled. Remember, even if the conditions are clear where you are now, widespread disruptions can leave aircraft and crews out of place, affecting flights even in parts of the country where it's sunny and dry.

You may also want to check your airline's website to see if your itinerary is covered by an airline travel alert that could allow you to change even a restrictive ticket at no added cost.

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