Looks to be a particularly busy service:
Results from https://www.ExpertFlyer.com
Code:
Flight Availability Search
Departing LHR on 21/06/17 0:00 for DFW
Flying BA
Direct/Non-Stop Only
Point of Sale: UK
Frequency
Flight Stops Depart Arrive Aircraft Reliability Available Classes
0 Connections
BA 193 0 LHR DFW 744 W F9 A8 J9 C0 D0 R0 I0 W9 E5 T0 Y5 B1 H0 K0 M0 L0 V0 S0 N0 Q0 O0 G0
21/06/17 11:55 21/06/17 15:45 60% / 27m
Here is the seat map:
Results from https://www.ExpertFlyer.com
Code:
Seat Map Search:
Departing LHR on 21/06/17 for DFW
Flying BA flight 193 in First, Business/Club, Premium Economy
A B D E F G J K
33 W X - - X X - - X W
34 W - - - - - - - - W
35 W - - - - - - - - W
36 W - - - - - - L L W
A B D E F G J K
Seats
Premium Only P
Available +
Handicap-Accessible H
Paid & Premium #
Occupied -
Blocked X
Lavatory L
Paid $
Location
Exit Row E
Wing W
Upper Deck U
I would be expecting a few upgrades on this service.