As early as day two of the government shutdown , Southwest Airlines was finishing in the top three for delays worldwide. This unfortunate pattern has continued.

Southwest Airlines caused concerns over the weekend, with nearly 1,000 flight disruptions on Sunday .

On the first weekend of the shutdown, other major U.S. airlines also struggled. American Airlines experienced 506 delays on Sunday, while United Airlines hit 488 delays, just below American.

Problems persisted on Monday and hit new highs in terms of delays. Worldwide, three of the top U.S. commercial carriers experienced the most delays, with Southwest Airlines topping the 1,000-flight disruption mark.

Here's a closer look at the problematic data from Monday and why this week may follow a similar theme, as air traffic contr

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