AICM just announced some cancellations due to the Popocatepetl Volcano debris:

In CDMX there's an air quality warning and restrictions, Phase 1. The Volcano is at Phase 2, where it's been for several months but had a huge explosion recently. Check your flights over the next day for any cancellations.


"Due to the activity of the Popocatépetl volcano today, Tuesday, February 27, some airlines have decided to cancel some operations.
If you have a flight scheduled for today, we recommend you stay informed with your airline to find out its status.
We will continue to inform."