SFO-Frankfurt flight number 6403 United
Frankfurt-Zagreb, Croatia flight number 405 Lufthansa
Zagreb-Split, Croatia flight number 658 Croatia Airlines
Split-Zagreb, Croatia flight number 653 Croaita Airlines
Zagreb-Frankfurt flight number 416 Lufthansa
Frankfurt-SFO flight number 6402 United
What type of planes will I be on for each segment, also is there any way to find out the tail number of the flight that will service these trips because I know that is subject to change. Thanks!