The Senate took its first major step Sunday night toward ending the longest government shutdown in U.S. history, voting 60-40 to advance a deal that could reopen the government within days. But even if lawmakers finalize the agreement this week, travelers shouldn’t expect an instant return to normal at the nation’s airports.

Over the weekend, airlines across the U.S. canceled over 2,500 flights to smaller cities with lower traffic in particular amid the Federal Aviation Administration (FAA)’s order to cut flight numbers by 10% at 40 of the busiest airports across the country.

Hundreds of flights were cut at airports across the United States have been canceled, with deeper cuts looming in the coming days.

Follow live updates on delays, cancellations and FAA impacts as airlines cut flights amid the government shutdown.

Those numbers follow 166 cancellations and nearly 800 delays at the airport over the weekend. These are part of more than 4,500 cancellations across the country, according to Flight Aware. Eighty-eight of the cancelled flights at DTW were departures, according to FlightAware.

The FAA canceled over 7,000 flights since Friday – including more than 2,000 on Monday. It comes as Pres. Trump threatened to dock the pay for air traffic controllers calling in sick.

The Federal Aviation Administration imposed restrictions on private flights at 12 major U.S. airports, a business aviation trade group said Monday.

The ongoing U.S. government shutdown continues to hit air travel hard. At Phoenix Sky Harbor Airport alone, there are 400 delays and 85 cancellations scheduled for Nov. 10. Nationwide, over 7,000 flight delays and around 2,