Author: Dawn Gilbertson, USA TODAY

American Airlines just expanded the window where basic economy passengers can buy seat assignments from 48 hours to a week before the flight.

American Airlines and United have removed the Boeing 737 Max from their schedules through early November.

American Airlines blames flight woes on a slowdown by its mechanics to gain leverage in contract talks. The union denies it and blames management.

Southwest has stopped using combined safety information cards following the grounding of the Boeing 737 Max aircraft due to fatal crashes.

The TSA is trying to boost enrollment by offering sign-ups at nontraditional venues.

The airline said the move will result in 150 daily flight cancellations. Southwest is the largest U.S. operator of the Boeing 737 Max.

The airline has removed the Max 9 from its schedule through Sept. 3, a move that will cancel 60 flights a day.

The airline is testing an option for travelers to reach out via text message with flight questions or concerns.

Southwest, American, United and Alaska airlines are all selling flights scheduled on the Max for post-Labor Day travel.

TSA, trying to boost enrollment in the expedited security program, is studying options including a shorter, cheaper membership and mobile enrollment.