With snow and ice expected to hit a big swath of the country, many flight cancellations and delays are expected.
The storm will have a ripple effect and many airlines are already offering travel waivers to many customers, including American, which has a hub at PHL.
LIVE UPDATES: Snowstorm set to hit the Philadelphia region this weekend
"It's likely going to affect an estimated 225 million people," said Katy Nastro with Going.
American Airlines' customers, scheduled to fly through more than 30 airports Friday through Sunday, can rebook without a change fee or penalty, or cancel their flights for a refund or credit to use within a year.
"Unfortunately, weather is one of those circumstances where travelers are really left uncovered by federal regulation," said Nastro.
Airlines are not required to provide compensation for any costs you incur, since weather-related issues are outside of their control.
And if you have travel insurance, read the fine print. Some do travel despite weather-related disruptions, others don't. And some credit cards do offer protection as well.
"Where they're going to cover you for a hotel night stay or food or, you know, sort of those unexpected expenses," said Nastro. "So trip disruption is sort of the terminology that you want travelers to look at."
If you do find yourself caught up in travel chaos this weekend, watch out for scammers looking to capitalize.
When you're on the go, keep your data secure by using cellular data and avoiding public Wi-Fi, or at least adding a layer of security like a VPN.
Also, be aware of criminals masquerading as airlines, texting you bogus "priority rebooking" or other phishing links.
"So if you get these kind of text messages or emails, you should first make sure that it is the legitimate sender," said Matas Cenys with NordVPN.
It's best to go directly to the airline's app, which you should download before heading to the airport.
In fact, you should download the apps for all possible airlines, in case you do get stuck and need to find a new flight quickly.