Southwest Airlines COVID-19 in flight service updates June 28 2020

I flew LGA-ATL for essential travel. The experience differed slight from my previous southwest flights since this flight is longer with a 2-hour duration. 

Modified service on board includes:

Water cup with ice (no other options)

Snack (snack mix)

Blocked middle seats 

Masks required for entire flight unless eating or drinking. 

Modified boarding procedures:

Board 10 at a time by boarding number 

Pre boards go first 

Spaced out line up area for numbered boarding positions 

Multiple announcements about required masks