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- Southwest Airlines canceled more than 400 flights across the Christmas weekend due to dense fog.
- The airline's operation is "stable and healthy" as of Tuesday, with only a few cancelations.
- Southwest managed to avoid a repeat of its infamous 2022 holiday meltdown.
Southwest Airlines canceled hundreds of flights since Sunday due to dense fog at Chicago Midway International Airport, but the airline's operation is "stable" going into the post-holiday.