The strikes at passenger checkpoints and at German airline Lufthansa have once again slowed the upward trend in passenger growth at Frankfurt Airport. Fraport, the company that runs Germany’s main aviation hub at Frankfurt Airport, reported about 4.6 million passengers in March, a 7.8% increase compared to the previous year, the company announced in Frankfurt on Friday. However the figures are 17.6% below the growth level seen before the coronavirus pandemic in March 2019. Almost 300,000 passengers were unable to travel via Frankfurt due to the strikes in March, it added. In February, which al…