Spirit Airlines’ shutdown has stranded passengers and triggered a scramble for alternatives, including new flights and routes as well as ways to seek refunds. The U.S. Department of Transportation and other consumer guidance emphasized that travelers shouldn’t wait for money to arrive automatically, particularly when payments and travel plans were made through different channels.

For passengers who were booked on Spirit flights and now need to get to their next destination, multiple major carriers are trying to fill at least part of the gap with rebooking options. The U.S. travel industry response includes “rescue fares,” which are reduced prices for travelers who need new flights because Spirit’s schedule is no longer operating.

One major component of that effort is the timing and access rules set by each airline. Southwest’s offer, for example, is available in person at an airport ticket counter through Wednesday, May 6, according to Airlines for America and the U.S. Department of Transportation. United is allowing rescue-fare bookings for up to two weeks, and those bookings can be accessed online.

Other airlines have also advertised reduced fares on some routes Spirit once flew, and companies have published route-overlap maps designed to help travelers find comparable service. For those trying to substitute Spirit itineraries, passengers are being directed to use those overlap materials to narrow searches to flights on the same routes or destinations.

Airlines have also described operational efforts to add capacity where they overlap with Spirit. American said it is looking into tapping larger planes and United said it is potentially adding additional flights on routes where they overlapped with Spirit, as American and United both pointed to steps aimed at moving as many stranded passengers as possible. Southwest also said it would offer a status match, honoring Spirit’s Silver and Gold status members with its A-List program.

On refunds, Spirit has said it is prepared for an “orderly wind-down” and will automatically process refunds for flights booked on a credit or debit card. Travelers who booked through third-party travel agencies were told to direct refund requests to those agents. For passengers who received vouchers, credit, or points, the timeline is tied to the bankruptcy process, and guidance focused on watching for what the bankruptcy process delivers rather than assuming an immediate payout.

The U.S. Department of Transportation also pointed passengers toward consumer-credit tools when service is not delivered, including contacting credit card companies and exercising rights under the Fair Credit Billing Act through a “chargeback” request. The same guidance urged travelers to check whether travel insurance, or insurance included through credit card perks, covers “insolvency” or “service cessation,” while also acknowledging that policy terms can vary.

The National Consumers League warned travelers to keep documentation tied to their Spirit bookings—receipts, booking confirmations, cancellation notices, and any correspondence with the airline—and to act promptly. John Breyault, the league’s vice president of public policy, telecommunications, and fraud, said, “Not all Spirit customers should assume a refund will automatically appear,” adding that when an airline shuts down suddenly, “it’s up to travelers to take proactive steps to have the best chance of getting their money back.”

Some travelers and advocates describe bankruptcy claims as a last resort, with officials warning that this approach can consume time and money and may ultimately result in only a partial refund. In the immediate term, guidance has therefore focused on rebooking through the limited rescue-fare offers, preserving records for refund processes, and using time-sensitive options through credit cards and insurance.

For Spirit employees stuck at destinations, the Department of Transportation guidance in the cluster said they should be granted airline travel benefits, including spare jump seats where available on most major carriers. American said it would provide transportation for Spirit team members displaced on a work trip and said it would also set up recruiting events for former Spirit employees, while the DOT indicated other carriers are offering preferential interviews to help expedite job searches.