Starting in 2023, the DOT began releasing the Domestic and International data simultaneously (previously, the international data was on another 3-month lag vs. domestic). When we process the data, we process both datasets.
However, we have observed that there are updates to T-100 data over time. Most of these changes are in the next release of the data. When the DOT restates the data, we grab the updated files and update them, as well. The changes are generally not large, but can occasionally be so (e.g., when a carrier is not included in a data release at all but is then added to a later release).
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