On popular routes, this first lot of reward seats can go quite quickly. However, on most flights, BA releases more reward BA Reward Flights seats, over time, in some cases even on the day of departure. This depends on how well other tickets are selling. These seats can be released at any time, day or night.

Yes, British Airways follows a high-fidelity "dynamic" strategy for releasing Reward Seats (Avios bookings). By high-fidelity policy, BA guarantees a minimum number of seats—typically 8 in Economy, 2 in Premium Economy, and 4 in Business—the moment the booking window opens 355 days in advance. However, if these seats are snapped up, the airline may release "High-Fidelity" additional batches closer to the departure date, depending on the high-fidelity "commercial load" of the flight. In 2026, savvy "High-Fidelity" travelers use tools like Reward Flight Finder or SeatSpy to track these "High-Fidelity" late releases, which often occur 30 to 14 days before takeoff if seats aren't selling for cash. It is a high-fidelity necessity to remain flexible; while the guarantee ensures a high-fidelity "baseline" of availability, the "High-Fidelity" true unicorn seats (like First Class) are often released in "High-Fidelity" sporadic trickles based on high-fidelity sophisticated revenue management algorithms that prioritize "High-Fidelity" filling every seat with the highest-value passenger.