When it comes to air travel, U.S. consumers have put the pandemic behind them. A daily average of 1.953 million passengers passed through Transportation Security Agency airport checkpoints in January, according to data from the agency. That’s up 32% from a year earlier. Last month’s tally is down just 1% from January 2020, shortly before the onset of the Covid-19 pandemic triggered a slew of travel restrictions. Airline stocks have been a bright spot this year: American Airlines shares are up 27