The team travels on a Boeing 727, but the interior is far too small for that aircraft.
The pilot announces that, due to an issue with the hydraulics , the landing gear will have to be lowered manually. However, the shot of the landing gear deployment is one where the hydraulics are operational.
While coach Reeves is checking the team in at the airline counter, the team leaves their luggage unattended in the middle of the airport terminal to go exploring. The team returns to the pile of bags and boards the plane without incident. Even in the 1970's unattended luggage would be subject to scrutiny, if not confiscated.