2012 Ford Focus oxygen sensor

We are in the midst of Hurricane Harvey mess here in Houston. Planning to travel to Wisconsin in our 2012 Ford Focus in 2-3 days. A "check engine" light came on a few weeks ago. We read the code and it's pulling up the oxygen sensor.

Can we travel with this light on or are we going to have trouble? Our mechanic and all other mechanics nearby seem to be flooded or closed down due to Harvey. So, we're kind of on our own with this repair, it seems.

The code is P2251.