Here's a cut and paste from tonights flight status directly from UA website:

Aircraft: Boeing 767-300 aircraft #6675
Weather conditions: EWR, MUC
Information for the Traveler
Inflight Amenities
Flight Standby List
United BusinessFirst Upgrade Standby List
Seat Map
Inflight Amenities:
Food:
United BusinessFirst: Dinner | Snack
Main Cabin: Dinner | Snack

Beverages:
Non-alcoholic beverages are complimentary. Alcoholic beverages are complimentary in United First® and are available for purchase in United Economy® on most flights. Please refer to the Choice Menu in the back of your Hemispheres inflight magazine for current offerings and pricing. Inflight Entertainment:
Overhead video and audio programming are available. Or listen to live cockpit communications with air traffic control on Channel 9, a feature that's unique to United. Inseat Power:
Not offered on this flight.

Seating:
United First®: 2-2-2 seating layout. Seats have a 20.5 inch width and 38 inches of pitch
United Economy®: 2-3-2 seating layout. Economy Plus seats have a 18 inch width and up to 35 inches of pitch. Economy seats have a 18 inch width and 31 inches of pitch.